AI tools comparison
Wordtune vs Quillbot: 2026 comparison
Across 8 comparable criteria, Wordtune wins 3, Quillbot wins 2, with 3 ties. Wordtune leads on entry price, public api, and data hosting; Quillbot on platforms and track record.
Wordtune and Quillbot in brief
Wordtune and Quillbot both offer free access to tools for correcting and rephrasing text. Their differences become clearer when you look beyond basic rewriting. Wordtune offers alternative versions of a sentence, changes to length and tone, and summaries of documents and web pages. Quillbot combines paraphrasing with translation and bibliography tools. The relevant question is therefore how rewriting fits into your work. You may mainly need to refine individual sentences, or you may want several related writing tasks available together.
Wordtune : Wordtune is for people revising texts, rephrasing sentences, or adjusting their tone. It also supports grammar and spelling correction, shortening or expanding text, and summarizing documents and web pages.
Quillbot : Quillbot supports people writing or revising texts with paraphrasing and grammar correction. It also allows users to summarize documents, translate text, and create bibliographic references for their writing.
Both meet the same need, which makes the comparison useful. We compare them on 10 verifiable criteria, using the same data as their profiles, collected from official sites.
Comparison table
| Criterion | Wordtune | Quillbot |
|---|---|---|
| Category | Grammar and paraphrasing | Grammar and paraphrasing |
| Website | wordtune.com | quillbot.com |
| Publisher | AI21 Labs Ltd. | Learneo, Inc. |
| Launched | 2020 | 2017 |
| Pricing model | freemium (limited free use, then paid) | freemium (limited free use, then paid) |
| Free tier | Yes | Yes |
| Entry price | $6.99 per month | €8.33 per month |
| Platforms | web browser, browser extension, iPhone and iPad, API | web browser, Windows, macOS, iPhone and iPad, Android, browser extension |
| API | Yes | No |
| Source code | closed | closed |
| Site score | 71/100 | 61/100 |
Criterion by criterion
For each criterion: why it matters, each one's value and who has the edge. A criterion without data on both sides is not decided.
Free tier
A free tier lets you test the tool on your own examples before paying anything. Wordtune : yes. Quillbot : yes. A tie on this point.
Entry price
The first paid plan, per month, gives the minimum cost of regular use; higher plans cost more. Wordtune : $6.99 per month. Quillbot : €8.33 per month. Edge: Wordtune.
Public API
An API lets you connect the tool to your software, an automation tool or an AI agent. Wordtune : yes. Quillbot : no. Edge: Wordtune.
Data export
Being able to get your content back avoids lock-in the day you want to switch tools. Wordtune : not disclosed. Quillbot : yes. Cannot be decided: data missing on one side.
Data hosting
Where data is stored matters for GDPR and client data: the EU or local processing make compliance simpler. Wordtune : United States. Quillbot : not disclosed. Edge: Wordtune.
Interface languages
More interface languages make the tool easier to roll out across an international team. Wordtune : 2. Quillbot : not published. Cannot be decided: data missing on one side.
Platforms
The more platforms (web, desktop, mobile, extension), the better the tool fits your daily routine. Wordtune : web browser, browser extension, iPhone and iPad, and API. Quillbot : web browser, Windows, macOS, iPhone and iPad, Android, and browser extension. Edge: Quillbot.
Open source
Public code lets you audit the tool, self-host it and keep using it if the publisher changes course. Wordtune : no. Quillbot : no. A tie on this point.
Track record
A tool launched several years ago has a longer history: less risk of sudden shutdown, more user feedback. Wordtune : launched in 2020. Quillbot : launched in 2017. Edge: Quillbot.
Recognition
The number of reference community lists citing the tool shows how well known it is among practitioners. Wordtune : cited in 2 lists. Quillbot : cited in 2 lists. A tie on this point.
In charts
Our analysis
Wordtune, launched in 2020 by AI21 Labs Ltd., supports a revision process focused on expression. Its listed functions let you compare sentence alternatives, shorten or expand text, and adjust the tone of a message. Quillbot, published by Learneo, Inc. and launched in 2017, brings together a different mix: rewriting in several styles, grammar and spelling correction, summarization, translation, and reference creation. These combinations suggest different priorities for users. Wordtune fits work where phrasing and length require repeated decisions. Quillbot fits a process that moves between rewriting, working across languages, and preparing references alongside the main text.
Both products use a freemium model and provide a free offer. The supplied information does not specify the limits of either free tier. Wordtune Advanced starts at a monthly equivalent of USD 6.99 when billed annually. Quillbot Premium is listed at EUR 8.33 per month on an annual billing basis; euros were the displayed currency when the information was recorded. Those amounts cannot be compared directly without accounting for currency conversion. Their scores of 71 and 61 out of 100 concern access and transparency. They do not establish which product produces more accurate corrections, more suitable wording, or better summaries.
Wordtune identifies the United States as its data hosting location. Quillbot does not disclose a hosting location in the supplied record. That gives you a geographical reference for Wordtune, but it does not establish either service's complete privacy arrangements. Retention periods, deletion procedures, and any reuse of submitted text are not documented here. Both products have closed source code. Wordtune provides an API, whereas Quillbot is listed as having none. This makes Wordtune relevant to a planned technical integration, although API availability alone says nothing about confidentiality guarantees or the detailed conditions governing how submitted content is handled.
Wordtune is available through the web, an extension, iOS, and an API. Its interface supports two languages, including Spanish but excluding French. Quillbot lists web access, Windows, macOS, iOS, Android, and an extension, while its interface languages are not disclosed. Quillbot also lists DOCX export; Wordtune's export options are not provided. These details matter if you switch between devices or need to deliver an editable document. Wordtune may instead fit a workflow focused on adjusting wording or using an API. The available information does not establish usage limits or explain which functions are included in each subscription tier.
Depending on your situation
The right choice depends on use. For a few common situations, here are the criteria that matter and who wins (Wordtune value / Quillbot value).
Personal use on a tight budget
Here, Wordtune has the edge: it wins 1 of the 3 criteria that matter in this situation, namely free tier (yes / yes), entry price ($6.99 per month / €8.33 per month), and interface languages (2 / not published).
Business use with client data
Neither stands out on the criteria for this situation (data hosting (United States / not disclosed), data export (not disclosed / yes), and track record (launched in 2020 / launched in 2017)): decide with a trial.
Integration with your software
Neither stands out on the criteria for this situation (public api (yes / no), open source (no / no), and platforms (web browser, browser extension, iPhone and iPad, and API / web browser, Windows, macOS, iPhone and iPad, Android, and browser extension)): decide with a trial.
Which one to choose?
Choose Wordtune if…
- you value entry price ($6.99 per month)
- you value public api (yes)
- you value data hosting (United States)
Wordtune is a logical option if your main task is refining sentences, changing their length, and matching a message's tone to its purpose. Its API also matters if you intend to build an integration. Hosting is identified as being in the United States. Check that the available interface languages and the access conditions fit the way you work.
Choose Quillbot if…
- you value platforms (web browser, Windows, macOS, iPhone and iPad, Android, and browser extension)
- you value track record (launched in 2017)
Quillbot fits a workflow that combines rewriting with translation and bibliographic references. Its listed desktop and mobile platforms are relevant if you work across several devices. DOCX export also suits situations where you need to hand over an editable document. You will still need further information if hosting location or a particular interface language is essential to your decision.
Strengths and limits of each
Wordtune
- + Free tier to try it
- + Public API
- + Established since 2020
- − Data export not documented
Quillbot
- + Free tier to try it
- + Established since 2017
- + Available on many platforms
- − Data hosting not disclosed
- − No API
The best test is still yours: take three real tasks from your day and give them to both for a week.
What about the others?
If neither suits you, look at LanguageTool, Grammarly, WriteHuman, editGPT, HumanizeAI.com, and WordfixerBot.
Related comparisons:
Conclusion
Base the choice on the work surrounding your writing. Wordtune emphasizes sentence alternatives, tone, and length, with an API available for integration. Quillbot adds translation, reference creation, and DOCX export across a broader set of listed platforms. Both have a free offer, although its limits are unspecified here. Their access and transparency scores provide context, rather than a judgment of writing quality or suitability for your particular documents.
Verdict
Wordtune leads on more criteria (3 of 8). That does not make it the best choice for everyone: look first at the criteria that matter to you.
Full profiles
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Frequently asked questions
Wordtune or Quillbot: which is better?
Wordtune leads on more criteria (3 of 8). That does not make it the best choice for everyone: look first at the criteria that matter to you.
What is the main difference between Wordtune and Quillbot?
Wordtune leads on entry price ($6.99 per month vs €8.33 per month), Quillbot on platforms (web browser, Windows, macOS, iPhone and iPad, Android, and browser extension vs web browser, browser extension, iPhone and iPad, and API).
Are Wordtune and Quillbot free?
Free tier: Wordtune, yes; Quillbot, yes.
Which one is cheaper?
Entry price: Wordtune, $6.99 per month; Quillbot, €8.33 per month. Wordtune is cheaper.
Which one protects my data better?
Data hosting: Wordtune, United States; Quillbot, not disclosed. For sensitive data, also check the publisher's data processing agreement.
What alternative to Wordtune and Quillbot?
In the same family: LanguageTool, Grammarly, and WriteHuman.
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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score