kitio.aiGrammarly vs ProWritingAid
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Grammarly starts at $30/mo and ProWritingAid starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Grammar and spelling checks
- Tone detection
- Full-sentence rewrites
- Plagiarism checker
- Authorship tracking
- Grammar and spelling checks
- Style and pacing reports
- Scrivener integration
- AI rephrasing
- Manuscript critique
| Feature | Grammarly | ProWritingAid |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | Grammar checker and style editor built with fiction writers in mind |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Orpheus Technology |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Both offer: Grammar and spelling checks.
Pricing compared
Grammarly starts at $30/mo and ProWritingAid starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Spelling and grammar checks
- Tone detection
- 100 AI prompts
Pro
$30/mo
- Per member
- Full-sentence rewrites
- Tone adjustments
- Plagiarism and AI detection
Enterprise
Contact sales
- BYOK encryption
- Custom roles and permissions
- Data loss prevention
- Dedicated support
3 plans
Free
Free
- Basic grammar and style checks
Premium
₹1,650/mo
- Everything in Free
- Story Canvas: 30 Idea Feedback runs
- Outline Crafter
Premium Pro
₹1,980/mo
- Everything in Premium
- 30 chapter critiques per day
- 15 creative nudges per day
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Grammarly
- Works in nearly every app and website
- Free plan catches most basic errors
- Clear explanations for each suggestion
- Best features need the paid plan
- Can flatten a writer's personal style
- English only
ProWritingAid
- Deep style reports for long manuscripts
- Works with Scrivener and Word
- Lifetime licence option
- Interface can feel cluttered
- Free plan caps words per check
Which one should you choose?
Choose Grammarly if you want:
- Works in nearly every app and website
- Free plan catches most basic errors
- Clear explanations for each suggestion
Watch out: best features need the paid plan.
Choose ProWritingAid if you want:
- Deep style reports for long manuscripts
- Works with Scrivener and Word
- Lifetime licence option
Watch out: interface can feel cluttered.
Grammarly vs ProWritingAid FAQ
What is the difference between Grammarly and ProWritingAid?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. ProWritingAid: Grammar checker and style editor built with fiction writers in mind. Both are writing tools.
Is Grammarly or ProWritingAid cheaper?
Grammarly starts at $30/mo and ProWritingAid starts at See pricing page. Check both pricing pages for current plans.
Do Grammarly and ProWritingAid have free plans?
Grammarly: Yes. ProWritingAid: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes ProWritingAid?
ProWritingAid is made by Orpheus Technology, based in United Kingdom.
Which should I choose, Grammarly or ProWritingAid?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose ProWritingAid if you value deep style reports for long manuscripts and works with scrivener and word.