kitio.aiWritefull vs Isaac Editor
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Writefull starts at See pricing page and Isaac Editor starts at $10/mo. 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
- Academic language feedback
- Abstract generator
- Title generator
- Academizer paraphraser
- Word and Overleaf add-ins
- AI writing assistant
- Literature search
- Chat with documents
- Reference management
- Autocomplete and paraphrasing
- Literature review automation
| Feature | Writefull | Isaac Editor |
|---|---|---|
| Best for | Language feedback for academic writers, trained on journal articles | AI workspace for academic writing, literature search and citations |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $10/mo |
| Free plan | Yes | Yes |
| Made by | Digital Science | Isaac Editor |
| Based in | United Kingdom | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Writefull starts at See pricing page and Isaac Editor starts at $10/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 10 daily AI tokens
- 100 MB file storage
- Document chat and literature search
Basic
$10/mo
- 50 daily AI tokens
- 1 GB file storage
- Generate first drafts
Pro
$25/mo
- Unlimited AI and chat
- Unlimited file storage
- Premium AI models
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
Writefull
- Feedback grounded in real papers
- Good Overleaf integration
- Useful for LaTeX users
- Limited value outside academia
- Premium needed for full feedback
Isaac Editor
- Free plan with no credit card
- Search, write and cite in one app
- Chat with your uploaded papers
- Free plan has only 10 daily AI tokens
- Best features sit on the $25 Pro plan
- Aimed at academic writing only
Which one should you choose?
Choose Writefull if you want:
- Feedback grounded in real papers
- Good Overleaf integration
- Useful for LaTeX users
Watch out: limited value outside academia.
Choose Isaac Editor if you want:
- Free plan with no credit card
- Search, write and cite in one app
- Chat with your uploaded papers
Watch out: free plan has only 10 daily ai tokens.
Writefull vs Isaac Editor FAQ
What is the difference between Writefull and Isaac Editor?
Writefull: Language feedback for academic writers, trained on journal articles. Isaac Editor: AI workspace for academic writing, literature search and citations. Both are writing tools.
Is Writefull or Isaac Editor cheaper?
Writefull starts at See pricing page and Isaac Editor starts at $10/mo. Check both pricing pages for current plans.
Do Writefull and Isaac Editor have free plans?
Writefull: Yes. Isaac Editor: Yes.
Who makes Writefull?
Writefull is made by Digital Science, based in United Kingdom.
Who makes Isaac Editor?
Isaac Editor is made by Isaac Editor.
Which should I choose, Writefull or Isaac Editor?
Choose Writefull if you value feedback grounded in real papers and good overleaf integration. Choose Isaac Editor if you value free plan with no credit card and search, write and cite in one app.