AI paraphraser, grammar checker, summarizer and AI detector popular with students and writers.
Grammarly vs Wordtune
Features, pricing, strengths and trade-offs — and which one fits your situation.
The verdict
Summary
Grammarly is best for catching errors and polishing tone in everyday writing across the apps you already use, while Wordtune is best for rephrasing sentences and adjusting tone while you write in the browser. Both Grammarly and Wordtune offer a free plan, so you can try each before paying.
Which should you choose?
Choose Grammarly if…
- You need catching errors and polishing tone in everyday writing across the apps you already use
- You're one of: professionals writing emails and documents, students, non-native english writers
- Works almost everywhere you type, including a mobile keyboard
Choose Wordtune if…
- You need rephrasing sentences and adjusting tone while you write in the browser
- You're one of: professionals writing emails and documents, students, non-native english writers
- Rewrite suggestions keep your meaning while changing wording
At a glance
| Grammarly | Wordtune | |
|---|---|---|
| Best for | Catching errors and polishing tone in everyday writing across the apps you already use | Rephrasing sentences and adjusting tone while you write in the browser |
| Free plan | Yes | Yes |
| Starting price | From $12/mo | From $6.99 |
| Learning curve | Low | Low |
| Platforms | Web, Windows, macOS, iOS, Android, Chrome extension | Web, Chrome extension |
| Ideal for | Professionals writing emails and documents, Students, Non-native English writers, Business and support teams | Professionals writing emails and documents, Students, Non-native English writers |
Feature comparison
| Grammarly | Wordtune | |
|---|---|---|
| Grammar & style checking | Yes | Yes |
| Paraphrasing / rewriting | Paid plans only | Yes |
| Long-form drafting | Limited | No |
| Brand voice / style guide | Paid plans only | No |
| Plagiarism checker | Paid plans only | No |
| AI content detection | Paid plans only | — |
| Works in browser / other apps | Yes | Yes |
| Languages | English + 5 (translation 19) | English |
| Team workspace | Yes | — |
IncludedLimited / higher plansNot available— Not confirmed
Security & enterprise
| Grammarly | Wordtune | |
|---|---|---|
| Business / enterprise plan | Yes | Yes |
| SSO (SAML / OIDC) | Enterprise plan | — |
| SCIM user provisioning | — | — |
| SOC 2 | Type II | — |
| ISO 27001 | Yes | — |
| HIPAA (BAA available) | Enterprise (BAA) | — |
| GDPR DPA | Yes | — |
| Data residency options | — | — |
| No training on your data | — | — |
| Audit logs | — | — |
| Admin controls | Yes | — |
| Deployment | Cloud | Cloud |
From each vendor's security documentation. "—" = not confirmed. What to ask vendors · Compare all tools
What each tool does
Grammarly
Grammarly is an AI writing assistant that checks grammar, spelling, clarity and tone as you type in browsers, desktop apps, Microsoft Office, Google Docs and mobile keyboards. It also generates and rewrites text, and paid plans add plagiarism and AI-content detection, style guides and brand tones. Its parent company rebranded as Superhuman in 2025, but Grammarly continues as the writing assistant product.
Key features- Real-time grammar, spelling, clarity and tone suggestions
- Full-sentence rewrites and generative AI prompts
- Plagiarism and AI-content detection (paid)
- Style guides and brand tones for teams
- Grammar checks in five languages beyond English, translation into 19
- Works in browsers, desktop apps, Office, Google Docs and mobile
Wordtune
Wordtune, from AI21 Labs, is a writing companion that suggests alternative phrasings for sentences, adjusts tone between casual and formal, shortens or expands text, and checks grammar and spelling. It also summarizes articles, PDFs and YouTube videos. It works mainly through a Chrome extension in tools like Google Docs and Gmail, plus a Word add-in, and is used by professionals, students and non-native English writers.
Key features- Sentence rewrites with multiple alternatives
- Casual/formal tone, shorten and expand controls
- Grammar and spelling corrections
- AI summarizer for articles, PDFs and YouTube videos
- Chrome extension for Google Docs, Gmail and other sites
- Microsoft Word integration
Pricing
Grammarly
Free plan. Pro ~$12/mo billed annually or ~$30 monthly. Enterprise custom.
Wordtune
Free plan: yes (limited daily rewrites); Advanced/Unlimited from ~$6.99-9.99/mo billed annually
Prices last checked September 2026. Plans change often — confirm on each vendor's site.
Pros and cons
Grammarly
Strengths- Works almost everywhere you type, including a mobile keyboard
- Clear, easy-to-accept suggestions with little setup
- Team features include style guides, snippets and analytics
- Has a useful free plan
- Rewrites, tone adjustment, plagiarism and AI detection require a paid plan
- Generative AI prompts are capped per month except on Enterprise
- Less depth for fiction and long manuscripts than specialist editors
- Full-sentence grammar support outside English covers only five languages
Not ideal for: Novelists wanting in-depth manuscript analysis, or marketers who need long-form content generated at scale, should look at specialist tools.
Wordtune
Strengths- Rewrite suggestions keep your meaning while changing wording
- Unlimited grammar and spelling checks on the free plan
- Low-priced paid plans
- Works inside Google Docs, Gmail and Word
- Free plan limits rewrites per day and summaries per month
- No built-in plagiarism checker
- Not built for generating full long-form articles or campaigns
- No brand voice or style guide controls
Not ideal for: Marketing teams generating campaigns at scale or writers needing plagiarism checks should choose a platform built for those tasks.
Integrations
Grammarly
Wordtune
FAQ
What is the main difference between Grammarly and Wordtune?
Grammarly is built for catching errors and polishing tone in everyday writing across the apps you already use; Wordtune is built for rephrasing sentences and adjusting tone while you write in the browser.
Is Grammarly or Wordtune cheaper?
Grammarly starts from $12/mo and Wordtune starts from $6.99 (as of September 2026). On entry price, Wordtune is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.
Do Grammarly and Wordtune have free plans?
Both Grammarly and Wordtune offer a free plan, so you can try each before paying.
Which is easier to use, Grammarly or Wordtune?
Both have a low learning curve.
What are good alternatives to Grammarly and Wordtune?
Other writing tools worth comparing include QuillBot, Writesonic and Koala AI.
