kitio.aiLanguageTool vs ProWritingAid
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LanguageTool starts at See pricing page 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
- Checks 30+ languages
- Browser and Office add-ins
- AI paraphraser
- Personal dictionary
- Self-hostable engine
- Grammar and spelling checks
- Style and pacing reports
- Scrivener integration
- AI rephrasing
- Manuscript critique
| Feature | LanguageTool | ProWritingAid |
|---|---|---|
| Best for | Multilingual grammar and style checker for more than 30 languages | Grammar checker and style editor built with fiction writers in mind |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Learneo | Orpheus Technology |
| Based in | Germany | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
LanguageTool starts at See pricing page 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
- 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
LanguageTool
- Strong support for European languages
- Open-source core
- Works in LibreOffice
- Free plan limits text length
- Style suggestions weaker than in English-only tools
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 LanguageTool if you want:
- Strong support for European languages
- Open-source core
- Works in LibreOffice
Watch out: free plan limits text length.
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.
LanguageTool vs ProWritingAid FAQ
What is the difference between LanguageTool and ProWritingAid?
LanguageTool: Multilingual grammar and style checker for more than 30 languages. ProWritingAid: Grammar checker and style editor built with fiction writers in mind. Both are writing tools.
Is LanguageTool or ProWritingAid cheaper?
LanguageTool starts at See pricing page and ProWritingAid starts at See pricing page. Check both pricing pages for current plans.
Do LanguageTool and ProWritingAid have free plans?
LanguageTool: Yes. ProWritingAid: Yes.
Who makes LanguageTool?
LanguageTool is made by Learneo, based in Germany.
Who makes ProWritingAid?
ProWritingAid is made by Orpheus Technology, based in United Kingdom.
Which should I choose, LanguageTool or ProWritingAid?
Choose LanguageTool if you value strong support for european languages and open-source core. Choose ProWritingAid if you value deep style reports for long manuscripts and works with scrivener and word.