Best AI Writing Assistant for Non-Native English Speakers in 2026

Writing in more than one language is a skill. The difficult part is often not knowing what you want to say, but choosing an article, preposition, tense, or level of formality that fits the situation.

This guide focuses on AI assistants as feedback and learning tools. It compares how clearly they show corrections, explain language choices, preserve the writer’s meaning, and support questions such as “Why does this preposition fit?” or “Is this too formal for a client email?”

If you need AI to generate and revise complete documents, use the AI writing tool comparison for non-native English speakers. If you want a broader choice across grammar checkers, rewriters, readability tools, and writing environments, use the writing-tool selection guide.

Key Takeaways

• Explanations Matter: A correction is more useful for learning when the tool explains the choice in language the writer can understand.
• Visible Changes Support Review: Comparing the original and suggested wording helps the writer notice a pattern and reject an edit that changes the intended meaning.
• Accuracy Comes Before Confidence: AI explanations can be incomplete or wrong. Check uncertain advice against an authoritative dictionary, usage guide, instructor, or editor.
• Context and Register Need Separate Tests: Article choice, prepositions, tense consistency, and formality depend on the sentence, audience, dialect, and writing situation.
• Proficiency Levels Differ: A beginner may need a short rule and one example, an advanced writer may need guidance on nuance, tone, or differences between English varieties.
• Test the Learning Workflow: Before paying, use the same sample with each assistant and assess its correction, explanation, meaning preservation, and follow-up practice support.

Why Non-Native English Writers Need a Different Kind of AI Tool

Many writing tools prioritize producing a corrected sentence. A learner may need something more specific: a clear account of what changed, why the suggestion fits this context, and whether another form would also be acceptable.

That distinction matters because language advice is not always a simple right-or-wrong rule. Article choice can change with whether a noun is specific. Prepositions often depend on a conventional phrase. Tense depends on the intended timeline. Register depends on the relationship between the writer and reader.

English variety matters too. “On the weekend” is common in American English, while “at the weekend” is common in British English. An assistant should not label one form wrong without considering the variety the writer is using.

Writers also bring different proficiency levels and goals. One person may need a concise explanation of a basic pattern. Another may already write accurately but want help deciding whether a phrase sounds too formal, too direct, or inconsistent with the rest of a professional document.

This guide therefore evaluates more than correction coverage. It asks whether each workflow helps the writer inspect the change, understand the explanation, preserve the intended meaning, and practice the pattern. It does not assume that using an AI assistant by itself produces long-term language improvement.

Four Language Tasks to Use When Comparing AI Assistants

These tasks are not an exhaustive list of second-language writing needs. They provide a repeatable way to compare correction accuracy, explanation quality, dialect awareness, and meaning preservation.

1. Articles: A, An, The (and When to Use None)

Article choice depends on meaning and context, not only the noun that follows it.

Test sentence: “I submitted report after meeting.”

A useful assistant should suggest the missing articles, explain why a specific report and meeting may take “the,” and ask for context if the nouns are not yet identifiable to the reader. It should not turn a context-dependent choice into a universal rule.

2. Prepositions: In, On, At, For, With

Many preposition choices follow conventional combinations, while others change with meaning or English variety.

Test sentence: “She is responsible of preparing the monthly report.”

The expected correction is “responsible for.” A useful explanation identifies the adjective-preposition combination and gives a new example. It should also recognize valid variation such as American “on the weekend” and British “at the weekend.”

3. Tense Consistency

Tense cannot be evaluated reliably without knowing the intended timeline.

Test passage: “We launched the survey in May. The team reviews the responses last week and found two recurring issues.”

An assistant should identify the shift, propose “reviewed,” and explain how “last week” places the action in the past. It should preserve the present tense when the sentence describes an ongoing process rather than a completed event.

4. Register Mismatch

Register is a choice about audience and situation, not a grammar score.

Test sentence: “I wish to inquire regarding the aforementioned schedule change.”

For a routine message to a colleague, an assistant might suggest “I wanted to ask about the schedule change.” It should explain that the original is grammatical but unusually formal for that context, and it should leave the wording alone when a formal legal or administrative register is intentional.

How This Comparison Was Evaluated

This is a documentation-based comparison reviewed on October 11, 2026. Current capabilities, plans, and workflow descriptions were checked against first-party product pages. It is not presented as a seven-product hands-on test because authenticated outputs were not captured from every paid edition.

The four examples above provide a shared task set for evaluating each assistant. The comparison asks:

1. Does the workflow identify an appropriate correction without changing the intended meaning?
2. Does it explain the article, preposition, tense, or register choice clearly enough to review?
3. Does it recognize context, English variety, and cases where more than one form may be acceptable?
4. Can the writer compare, reject, or undo the proposed change?
5. Can the writer ask a follow-up question or create a short practice task?
6. Which edition, limit, and billing period apply?

The product profiles describe documented workflows, not measured language-learning outcomes. Prices and limits can vary by region and billing cadence, so annual-equivalent and monthly prices are labeled separately where available.

7 AI Writing Assistants for Non-Native English Speakers

1. Orwellix: Integrated Questions and Reviewable Document Edits

What It Does

Orwellix is a browser-based document workspace with two AI-assistance modes. Ask Mode supports conversational questions and targeted revisions. Agent Mode handles broader document tasks and presents proposed edits for review.

Ask Mode (1 credit/session) is a conversational AI assistant embedded in your editor. You can ask it anything in plain English:

• “Does this sentence sound natural to a native speaker?”
• “Is this phrasing too formal for a blog post?”
• “What is the difference between ‘on time’ and ‘in time’?”
• “Which preposition is correct here, ‘interested in’ or ‘interested about’?”
• “Does this paragraph match the tone of the rest of the article?”

These questions can use the document as context when document context is enabled. The writer should still verify an explanation that seems uncertain, especially when dialect, technical terminology, or more than one acceptable form is involved.

Agent Mode (2 credits/session) can review a larger passage or document under a specific instruction, such as checking tense consistency or proposing a less formal version of a client email.

Agent changes appear as tracked proposals that can be accepted or rejected individually. That review step helps the writer compare the original and revised language before deciding whether the suggestion preserves the intended meaning.

Visible differences can support reflection, but a diff does not explain a language rule by itself. For learning, pair the proposed edit with a follow-up question and a new practice sentence.

On top of the two modes, Orwellix provides real-time color-coded analysis as you type:

• Red: Very hard to read - dense, complex sentences that lose readers.
• Yellow: Hard to read - sentences that need splitting or shortening.
• Purple: Grammar issues - errors that undermine your credibility.
• Blue: Style issues - passive voice, adverbs, wordiness and qualifiers.
• Green: Spelling errors - typos.

The live advanced readability analysis provides an estimated grade and issue counts while the document changes. Treat those results as signals for review, not proof that the English sounds natural or that a reader will understand it.

Plagiarism checking is included with published monthly word allowances on both paid plans.

Where It Fits the Learning Workflow

Orwellix fits writers who want to ask questions beside a saved document and review broader proposed edits in the same workspace. Its useful distinction is workflow integration, not a guarantee that its explanations are always correct or that using it will produce a particular learning outcome.

Illustrative workflow, not a customer result: A writer reviewing “She is responsible of preparing the report” can request a correction, compare “of” with “for,” ask why the preposition changed, and then write a new sentence using “responsible for.” The writer should verify the explanation if it conflicts with an authoritative reference or intended dialect.

Pricing

• Pro: $24 monthly or about $238 yearly, with 120 AI credits, 100,000 grammar characters, and 10,000 plagiarism words per month.
• Premium: $39 monthly or about $418 yearly, with 300 AI credits, 300,000 grammar characters, and 30,000 plagiarism words per month.
• The seven-day trial requires a card and includes 20 AI credits, 10,000 grammar characters, and 1,000 plagiarism words. The selected plan begins after the trial unless canceled before the first charge.
• New paid subscriptions include a ten-day refund-request window under the published terms.

Limitations

• The full product works in its own browser editor and does not provide Grammarly-style assistance inside Google Docs, Word, email, or mobile apps.
• Import and export behavior should be checked against the writer’s required file workflow.
• AI corrections and explanations still require human review.

2. Grammarly: Best for Inline Correction Across Multiple Platforms

What It Does

Grammarly provides writing assistance across supported browsers, Google Docs, Microsoft Word, Gmail, Outlook, desktop applications, and mobile products. Grammarly Docs adds a dedicated writing surface with AI chat and agents.

Where It Helps Non-Native Writers

Inline corrections and tone feedback are useful for writers who want assistance where they already work. Grammarly Pro also provides full-sentence rewrites, tone adjustments, and 2,000 generative prompts per month. Grammarly Docs agents can draft, paraphrase, proofread, find citations, and review a document.

For a learner, the important test is not merely whether Grammarly finds an error. Check whether the applicable interface explains the choice clearly, recognizes the intended English variety, and makes it easy to compare the suggestion with the original.

Where It Falls Short

The experience varies by application, plan, and whether the writer is using Grammarly Docs or an inline integration. A feature available in Docs may not appear with the same context or review model in every text field.

The reviewed documentation does not establish that Grammarly uses the same per-change tracked proposal workflow as Orwellix. It also does not provide a published benchmark showing which assistant explains the four language tasks in this article most accurately.

Pricing

• Free: correctness and tone support with 100 generative prompts per month.
• Pro: $30 monthly or $12 per month billed annually at published US pricing, with full-sentence rewrites, tone adjustment, and 2,000 generative prompts per month.

3. LanguageTool: Multilingual Checking Across Existing Apps

What It Does

LanguageTool provides grammar, punctuation, spelling, and style checking in more than 30 languages. It works through browser add-ons, Google Docs, Microsoft Word, LibreOffice, email integrations, and desktop applications.

Where It Helps Non-Native Writers

Its multilingual coverage is useful for writers who work in English and another supported language. The English checker includes examples for grammar, agreement, word combinations, wordiness, informal style, semantics, and dialect-specific punctuation.

LanguageTool also offers AI sentence paraphrasing. The free plan lists three paraphrases per day, while Premium lists unlimited sentence paraphrasing with formal, fluent, or shorter alternatives.

Where It Falls Short

LanguageTool’s documented workflow centers on suggestions and sentence paraphrasing rather than an open-ended document conversation. The first-party pages reviewed for this update do not describe an Orwellix-style Agent change set or a published language-learning curriculum.

The free plan limits each text field to 2,000 characters, while Premium lists up to 150,000 characters. Writers should test whether the explanation attached to a suggestion is detailed enough for their proficiency level instead of assuming multilingual coverage guarantees a useful lesson.

Pricing

• Free: core checking, a 2,000-character text-field limit, and three AI sentence paraphrases per day.
• Premium: additional checks, up to 150,000 characters per text field, and unlimited sentence paraphrasing. Pricing is localized and should be checked for the writer’s region and selected billing interval.

4. QuillBot: Rewrite Alternatives in a Broader Writing Workspace

What It Does

QuillBot combines paraphrasing with a grammar checker, tone insights, translation, summarization, AI chat, citation tools, and QuillBot Flow. Flow provides a workspace for saving documents rather than limiting the product to isolated pasted snippets.

Where It Helps Non-Native Writers

Built-in paraphrasing modes let writers compare alternatives for fluency, formality, simplicity, and other goals. Premium lists nine modes, custom modes, paraphrasing in 23 languages, translation in more than 40 languages, advanced grammar suggestions, and tone insights.

Alternative phrasings can support learning when the writer compares them and investigates why one fits. The output alone does not explain the underlying language choice.

Where It Falls Short

Paraphrasing can change emphasis, terminology, or factual meaning even when the result sounds fluent. Writers should compare names, numbers, conditions, and required terms before replacing the original.

The reviewed product pages document rewrite choices and AI chat, but they do not establish that every paraphrase includes a grammar explanation or a per-change tracked comparison. Test the applicable Flow and extension workflow with the four examples in this article.

Pricing

• Free: paraphrasing up to 125 words in two modes, basic grammar correction, limited AI tools, and up to 10 MB of saved Flow documents.
• Premium: full paraphrasing access, nine modes, advanced grammar suggestions, tone insights, and up to 100 MB of saved Flow documents. Pricing is localized, compare the displayed rate and billing period for your region.

5. ChatGPT: Flexible Explanations and Canvas Editing

What It Does

ChatGPT is a broad conversational AI that can compare phrasing, explain a proposed correction, create practice questions, and revise text. Canvas adds a document-editing interface for work that goes beyond a chat response.

Where It Helps Non-Native Writers

The conversational format supports follow-up questions such as “Why is ‘responsible for’ used here?” or “Give me two new examples and a short practice task.” Writers can request a simpler explanation, compare US and UK usage, or ask the assistant to preserve a named term.

Canvas supports selected-text edits, inline suggestions, document rewrites, length adjustments, reading-level changes, final polish, and version restoration. It can use the wider project while the writer focuses a request on one passage.

Where It Falls Short

ChatGPT does not provide the same persistent grammar-highlighting and readability-analysis panel as a dedicated checker. Canvas edits and chat explanations also remain AI outputs: they can state an incorrect rule confidently, overlook dialect, or broaden a requested correction into a style rewrite.

Use a constrained instruction, compare the revision with the original, and verify uncertain explanations. A fluent answer is not evidence that the language advice is correct.

Pricing

• Free: includes access to Canvas and other ChatGPT features with plan limits.
• Plus: $20 per month with expanded model, context, upload, and research access.

6. ProWritingAid: Report-Led Feedback and Rewrite Options

What It Does

ProWritingAid combines grammar correction, more than 25 writing reports, Rephrase, and Sparks. Its reports cover readability, sentence structure, sticky sentences, repeated words, consistency, style, dialogue, and pacing.

It works across its editor and integrations including Microsoft Word, Google Docs, Scrivener, browser extensions, and desktop applications.

Where It Helps Non-Native Writers

The Style Report and Readability Check help writers investigate patterns beyond spelling. The Consistency and Sentence Length reports can also expose uneven wording across a longer draft.

Rephrase provides alternative phrasings for awkward sentences, tone shifts, and clarity. Sparks Edit supplies additional rewrite suggestions, so the current workflow is not diagnosis-only.

Where It Falls Short

The report-led interface can be more involved than a simple correction-and-explanation routine. Its public feature pages emphasize line editing and, increasingly, fiction and manuscript workflows rather than a structured second-language curriculum.

Writers should test whether a report explains the specific article or preposition choice they need to learn, and whether the rewrite controls preserve terminology and intended register.

Pricing

• A free account is available with limits.
• Premium and Premium Pro pricing is localized. Check the current pricing page for the writer’s currency, billing period, and daily Rephrase, Sparks, and critique limits.

7. Hemingway Editor Plus: Focused Readability and AI Revision

What It Does

The free Hemingway Editor and Hemingway Classic focus on readability grades and color-coded prose signals. Hemingway Editor Plus adds AI sentence rewrites, advanced grammar correction, style and tone controls, custom instructions, document feedback, and synonym suggestions.

Where It Helps Non-Native Writers

The focused interface can help a writer locate dense sentences and review a simpler alternative. Plus can also make text more formal, friendly, concise, detailed, or persuasive and can respond to a custom change request.

For learning, ask whether the suggestion explains the language choice or mainly supplies a replacement. A reading grade estimates text difficulty, it does not establish grammar accuracy, naturalness, or comprehension.

Where It Falls Short

The free editor and Classic do not include the newer Plus AI workflow, so “Hemingway” should always be compared by edition. Editor Plus is designed around readability and revision rather than open-ended language tutoring.

Its public pages document feedback and custom changes, but not a dedicated practice routine for recurring article, preposition, or tense errors. Writers who need explicit instruction should test the explanation depth before subscribing.

Pricing

• Free editor: readability diagnosis without the Plus AI allowance.
• Classic 3: $19.99 one-time for offline Mac or Windows use.
• Editor Plus Individual 5K: $100 billed annually, displayed as $8.33 per month, with a two-week trial that requires no card and cancels automatically.

Comparison Table - 7 AI Writing Assistants for Non-Native English Speakers

Product and edition	Explanation or feedback workflow	Context scope	Change review	Best fit	Published price note
Orwellix Pro/Premium	Ask follow-up questions beside the document, Agent proposes broader edits	Optional document context	Per-change tracked accept/reject	Integrated questions, analysis, and document revision	$24 monthly Pro, $39 monthly Premium
Grammarly Free/Pro + Docs	Inline feedback, AI chat, and Docs agents	Varies by application, document context in Docs	Accept/dismiss suggestions, direct edits, and document history	Assistance across existing apps	Free, Pro $30 monthly or $12/month billed annually in the US
LanguageTool Free/Premium	Correction messages plus AI sentence paraphrasing	Text field, editor, or supported integration	Suggestion-level review	Multilingual checking and app integrations	Localized, Free and Premium limits differ
QuillBot Free/Premium + Flow	Rewrite modes, grammar suggestions, tone insights, and AI chat	Selected text and saved Flow documents	Choose among alternatives, verify meaning manually	Comparing rewrite alternatives	Localized, billing interval varies
ChatGPT Free/Plus + Canvas	Conversational explanations, practice prompts, and inline Canvas suggestions	Canvas, chats, files, and Projects	Direct edits, inline suggestions, and version restoration	Flexible explanations and broader AI work	Free, Plus $20 monthly
ProWritingAid Premium/Premium Pro	Grammar feedback, 25+ reports, Rephrase, and Sparks	Document, chapter, or manuscript depending on feature	Suggestion and report-led review	Detailed pattern analysis and long-form writing	Localized, check current daily feature limits
Hemingway Free/Classic/Plus	Readability signals, Plus adds rewrites, custom changes, and document feedback	Selected text and document feedback in Plus	Use, regenerate, or revise a suggestion	Focused readability revision	Free, Classic $19.99 once, Plus 5K $100 annually

How to Evaluate the Output for Each Language Task

Documentation establishes which workflows and features are available. It does not establish which assistant will produce the most accurate explanation for every sentence. Use the same input, intended audience, and English variety when comparing outputs.

Article Errors (A / An / The)

Check whether the assistant asks what the reader already knows. A useful explanation distinguishes a first mention from a specific noun already identified in the surrounding passage. Reject an answer that presents “a” or “the” as correct without considering that context.

Preposition Errors (In / On / At / For)

Check whether the assistant identifies a conventional combination, explains the meaning, and supplies a new example. Do not assume every alternative is wrong: preposition choice can change with dialect, movement, location, time, or the intended relationship between ideas.

Tense Consistency

Provide at least two sentences and state the timeline. Check whether the assistant corrects an accidental shift without changing a deliberate switch between a completed event, an ongoing process, and a general fact.

Register Mismatch (Formal vs. Informal)

Tell the assistant who will read the text and what relationship the writer has with that person. A useful response should explain why the original is appropriate or mismatched rather than treating simple wording as universally better. The free Tone Detector can provide a separate tone signal, but human context still determines whether the register fits.

How to Use an AI Writing Assistant as a Learning Tool (Not a Crutch)

Corrected documents and language practice are different outcomes. The routine below turns selected corrections into study material, but it does not guarantee long-term improvement.

Step 1: Write First, Correct Second

Draft a short passage before reviewing suggestions. This provides a useful sample of the choices you make without interruption. For high-stakes writing, however, use assistance whenever needed rather than withholding it for the sake of an exercise.

Step 2: Read Every Tracked Change Before Accepting It

Read each relevant suggestion before accepting it. Ask what changed, whether the meaning stayed intact, and whether the change reflects grammar, dialect, register, or style. Reject a fluent rewrite that changes a fact, technical term, or intended level of formality.

Step 3: Use Ask Mode for Patterns, Not Just Fixes

When the same pattern appears again, ask for an explanation, exceptions, and two contrasting examples. Then verify uncertain advice with an authoritative dictionary, usage guide, instructor, or editor.

Step 4: Record and Practice the Pattern

Keep a small error log with the original wording, correction, explanation, English variety, and one sentence you wrote yourself. Revisit recurring entries rather than recording every stylistic preference the assistant suggests.

For example, after correcting “responsible of” to “responsible for,” write a new sentence such as “The finance team is responsible for approving the budget.” Check the practice sentence separately.

Step 5: Use the Free Tools for Spot Checks

Between sessions, the free Passive Voice Checker, Filler Words Remover, and Text Simplifier can provide additional versions to review. They do not establish that a sentence is correct, natural, or appropriate for the audience. Compare every output with the intended meaning before using it.

How to Compare the Cost of an AI Writing Assistant

Do not add several subscriptions together unless you would genuinely pay for and use all of them. An extension, conversational assistant, and readability editor solve overlapping but different problems.

Use this worksheet:

1. List the tasks you need: inline correction, explanations, full-document revision, readability analysis, multilingual checking, or plagiarism checking.
2. Remove any product that duplicates a task you already receive from an editor, employer, school, or existing subscription.
3. Compare monthly prices with monthly prices and annual contracts with annual contracts.
4. Record regional taxes, currency, trials, usage limits, and whether a required feature belongs to a higher plan.
5. Test the workflow before valuing a claimed saving. A lower price is not better if the explanation or integration you need is missing.

At the reviewed US rates, Grammarly Pro is $30 monthly or $12 per month billed annually, ChatGPT Plus is $20 monthly, and Orwellix Pro is $24 monthly or about $238 yearly. LanguageTool, QuillBot, and ProWritingAid localize prices, while Hemingway Plus Individual 5K is $100 billed annually. These are alternatives, not a recommended bundle.

If you are choosing the full stack rather than only the assistant layer, compare the best writing tool for non-native English speakers.

Conclusion

The best assistant for learning is not necessarily the product that proposes the largest number of changes. Look for accurate corrections, explanations you can verify, appropriate treatment of dialect and register, and enough review control to protect your meaning.

Use Grammarly when assistance across existing apps is the priority. Consider LanguageTool for multilingual checking, QuillBot for comparing rewrite alternatives, ChatGPT for flexible explanations and practice, ProWritingAid for detailed report-led analysis, and Hemingway Plus for focused readability revision.

Orwellix is a practical fit when you want conversational questions and reviewable broader edits beside the same saved document. Its integrated workflow can support the correction-explanation-practice routine in this guide, but the writer remains responsible for verifying the advice and deciding which changes fit.

Start a seven-day Orwellix trial with a credit card and no charge during the trial. The trial includes 20 AI credits, 10,000 grammar characters, and 1,000 plagiarism words. Cancel before the first charge to avoid conversion to the selected paid plan. New paid subscriptions include a ten-day refund-request window under the published terms.

Frequently Asked Questions (FAQs)

1. What is the best AI writing assistant for non-native English speakers who want to improve, not just correct?

The best choice depends on the learning workflow. Orwellix combines questions and tracked document edits in one workspace. ChatGPT supports flexible explanations and practice tasks, Grammarly works across many existing apps, and LanguageTool supports multilingual checking. Test each tool’s correction, explanation, dialect awareness, and meaning preservation with the same sample before choosing.

2. Can an AI writing assistant help with articles (a/an/the)?

Yes, but article choice can depend on what the reader already knows and whether the noun is specific. Provide the surrounding sentence or paragraph, ask the assistant to explain its choice, and verify an uncertain answer. Do not accept “a” or “the” as a universal correction without context.

3. What is the difference between a grammar checker and an AI writing assistant?

A grammar checker focuses on spelling, punctuation, grammar, and related writing suggestions. An AI assistant can also answer follow-up questions, compare alternatives, create practice tasks, or revise a wider passage. Current products overlap: Grammarly, LanguageTool, ProWritingAid, and Hemingway Plus all include some rewriting assistance, so compare the exact edition and workflow rather than relying only on the category label.

4. Is Grammarly good enough for non-native English writers?

Grammarly can be a strong choice when you want inline assistance across browsers, Google Docs, Word, email, desktop, and mobile workflows. Grammarly Pro includes full-sentence rewrites and tone adjustment, while Grammarly Docs provides AI chat and agents. Check whether the applicable interface gives enough explanation for the language pattern you are trying to learn.

5. How can I check whether my English sounds natural to a native speaker?

Define the audience, relationship, English variety, and purpose before asking for feedback. Instead of asking only whether the text “sounds native,” ask whether it is clear, idiomatic, and appropriately formal for that situation. A fluent AI answer can still be wrong, and neither a Tone Detector nor a Readability Checker proves naturalness.

6. Will using an AI writing assistant make my English worse over time because I rely on it?

It can encourage dependency if you accept changes without reviewing them, but using an assistant actively does not guarantee improvement either. Compare the original and correction, request an explanation, verify uncertain advice, record recurring patterns, and write a new practice sentence yourself.

7. What is the best free AI writing assistant for non-native English speakers?

Grammarly, LanguageTool, QuillBot, ChatGPT, and Hemingway offer free access with different limits. LanguageTool’s free plan includes core checking and three AI sentence paraphrases per day, Grammarly Free includes correctness, tone, and a limited prompt allowance. Choose according to the task and verify current regional limits before relying on a free workflow.

For separate text analysis, the Orwellix Readability Checker, Tone Detector, and Passive Voice Checker are available without an Orwellix workspace account. Their results still require human interpretation.