kitio.aiProWritingAid vs Lewis
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ProWritingAid starts at See pricing page and Lewis 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
- Style and pacing reports
- Scrivener integration
- AI rephrasing
- Manuscript critique
- AI-assisted story creation
- Story chat
- Web novel library
- Writing studio
- English, Korean and Japanese interface
| Feature | ProWritingAid | Lewis |
|---|---|---|
| Best for | Grammar checker and style editor built with fiction writers in mind | Create and read interactive AI stories and web novels |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Orpheus Technology | Keytalk AI |
| Based in | United Kingdom | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
ProWritingAid starts at See pricing page and Lewis 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
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
Lewis
- Large library of community stories
- Interface in three languages
- Browse by genre and trending
- Pricing is not shown on the homepage
- Content is mostly romance and drama
- Quality varies between community stories
Which one should you choose?
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.
Choose Lewis if you want:
- Large library of community stories
- Interface in three languages
- Browse by genre and trending
Watch out: pricing is not shown on the homepage.
ProWritingAid vs Lewis FAQ
What is the difference between ProWritingAid and Lewis?
ProWritingAid: Grammar checker and style editor built with fiction writers in mind. Lewis: Create and read interactive AI stories and web novels. Both are writing tools.
Is ProWritingAid or Lewis cheaper?
ProWritingAid starts at See pricing page and Lewis starts at See pricing page. Check both pricing pages for current plans.
Do ProWritingAid and Lewis have free plans?
ProWritingAid: Yes. Lewis: Yes.
Who makes ProWritingAid?
ProWritingAid is made by Orpheus Technology, based in United Kingdom.
Who makes Lewis?
Lewis is made by Keytalk AI.
Which should I choose, ProWritingAid or Lewis?
Choose ProWritingAid if you value deep style reports for long manuscripts and works with scrivener and word. Choose Lewis if you value large library of community stories and interface in three languages.