kitio.aiParaphraser.io vs Check-Plagiarism
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Paraphraser.io starts at See pricing page and Check-Plagiarism starts at $14.99/mo. Check both pricing pages for current plans.
Plagiarism checker with AI detector, paraphraser and grammar tools
Freemium · $14.99/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Ten paraphrasing modes
- Plagiarism checker
- Text summarizer
- AI detector and humanizer
- File upload
- Paraphrasing API
- Plagiarism detection
- Sentence-level source matching
- AI content detector
- Paraphrasing tool
- Bulk file checks
- Plagiarism API
| Feature | Paraphraser.io | Check-Plagiarism |
|---|---|---|
| Best for | Online paraphraser with ten rewriting modes and a plagiarism checker | Plagiarism checker with AI detector, paraphraser and grammar tools |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $14.99/mo |
| Free plan | Yes | Yes |
| Made by | Paraphraser.io | Check-Plagiarism |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Paraphraser.io starts at See pricing page and Check-Plagiarism starts at $14.99/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Limited searches
- Up to 1,000 words per search
- Ads shown
Weekly
$4.99/week
- 10,000 words
- 7,000 words per search
Monthly
$14.99/mo
- 35,000 words
- 20,000 words per search
- No ads, detailed reports
Annual
$99.99/yr
- 450,000 words
- All premium tools
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Paraphraser.io
- Free tier for short texts
- Many rewriting modes
- Supports over 20 languages
- Free requests capped at 400 words
- Consumer plan prices not clearly listed
- API plans are costly for small projects
Check-Plagiarism
- Free checks without an account
- Rewrite flagged text from the report
- API available on paid plans
- Free tier shows ads and captchas
- Free checks limited to 1,000 words
- Word quotas on every paid plan
Which one should you choose?
Choose Paraphraser.io if you want:
- Free tier for short texts
- Many rewriting modes
- Supports over 20 languages
Watch out: free requests capped at 400 words.
Choose Check-Plagiarism if you want:
- Free checks without an account
- Rewrite flagged text from the report
- API available on paid plans
Watch out: free tier shows ads and captchas.
Paraphraser.io vs Check-Plagiarism FAQ
What is the difference between Paraphraser.io and Check-Plagiarism?
Paraphraser.io: Online paraphraser with ten rewriting modes and a plagiarism checker. Check-Plagiarism: Plagiarism checker with AI detector, paraphraser and grammar tools. Both are writing tools.
Is Paraphraser.io or Check-Plagiarism cheaper?
Paraphraser.io starts at See pricing page and Check-Plagiarism starts at $14.99/mo. Check both pricing pages for current plans.
Do Paraphraser.io and Check-Plagiarism have free plans?
Paraphraser.io: Yes. Check-Plagiarism: Yes.
Who makes Paraphraser.io?
Paraphraser.io is made by Paraphraser.io.
Who makes Check-Plagiarism?
Check-Plagiarism is made by Check-Plagiarism.
Which should I choose, Paraphraser.io or Check-Plagiarism?
Choose Paraphraser.io if you value free tier for short texts and many rewriting modes. Choose Check-Plagiarism if you value free checks without an account and rewrite flagged text from the report.