kitio.aiPaperpal vs Isaac Editor
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Paperpal 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 checks
- Paraphraser
- Plagiarism check
- Submission readiness check
- Overleaf support
- AI writing assistant
- Literature search
- Chat with documents
- Reference management
- Autocomplete and paraphrasing
- Literature review automation
| Feature | Paperpal | Isaac Editor |
|---|---|---|
| Best for | AI writing assistant for research papers, theses and journal submissions | 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 | Cactus Communications | Isaac Editor |
| Based in | India | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Paperpal 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
Paperpal
- Trained on academic writing
- Works in Overleaf and Word
- Pre-submission checks
- Narrow focus on research writing
- Free plan has low limits
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 Paperpal if you want:
- Trained on academic writing
- Works in Overleaf and Word
- Pre-submission checks
Watch out: narrow focus on research writing.
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.
Paperpal vs Isaac Editor FAQ
What is the difference between Paperpal and Isaac Editor?
Paperpal: AI writing assistant for research papers, theses and journal submissions. Isaac Editor: AI workspace for academic writing, literature search and citations. Both are writing tools.
Is Paperpal or Isaac Editor cheaper?
Paperpal starts at See pricing page and Isaac Editor starts at $10/mo. Check both pricing pages for current plans.
Do Paperpal and Isaac Editor have free plans?
Paperpal: Yes. Isaac Editor: Yes.
Who makes Paperpal?
Paperpal is made by Cactus Communications, based in India.
Who makes Isaac Editor?
Isaac Editor is made by Isaac Editor.
Which should I choose, Paperpal or Isaac Editor?
Choose Paperpal if you value trained on academic writing and works in overleaf and word. Choose Isaac Editor if you value free plan with no credit card and search, write and cite in one app.