kitio.aiCheck-Plagiarism vs RewriteGuru
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Check-Plagiarism starts at $14.99/mo and RewriteGuru starts at $9.99/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
- Plagiarism detection
- Sentence-level source matching
- AI content detector
- Paraphrasing tool
- Bulk file checks
- Plagiarism API
- Five rewriting modes
- Synonym replacement
- Built-in plagiarism check
- Grammar check
- PDF and Word download
- Multilingual rewriting
| Feature | Check-Plagiarism | RewriteGuru |
|---|---|---|
| Best for | Plagiarism checker with AI detector, paraphraser and grammar tools | Article rewriter with five AI modes, synonyms and plagiarism checks |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $14.99/mo | $9.99/mo |
| Free plan | Yes | Yes |
| Made by | Check-Plagiarism | RewriteGuru |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Check-Plagiarism starts at $14.99/mo and RewriteGuru starts at $9.99/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
5 plans
Free
Free
- Up to 800 words per run
- Basic rewriting modes
Weekly
$5.55/week
- Premium modes
- Short-term access
Monthly
$9.99/mo
- AI Rewriter and Sentence Rephraser
- Higher word limits
Quarterly
$25.99/quarter
- Premium modes
- Lower monthly cost
Annual
$99.99/yr
- Premium modes
- Largest discount
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
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
RewriteGuru
- Free tier for short texts
- Pick words from synonym lists
- Plagiarism check on the same page
- Rewriter doesn't run on mobile
- Free runs capped at 800 words
- Spinning modes can read awkwardly
Which one should you choose?
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.
Choose RewriteGuru if you want:
- Free tier for short texts
- Pick words from synonym lists
- Plagiarism check on the same page
Watch out: rewriter doesn't run on mobile.
Check-Plagiarism vs RewriteGuru FAQ
What is the difference between Check-Plagiarism and RewriteGuru?
Check-Plagiarism: Plagiarism checker with AI detector, paraphraser and grammar tools. RewriteGuru: Article rewriter with five AI modes, synonyms and plagiarism checks. Both are writing tools.
Is Check-Plagiarism or RewriteGuru cheaper?
Check-Plagiarism starts at $14.99/mo and RewriteGuru starts at $9.99/mo. Check both pricing pages for current plans.
Do Check-Plagiarism and RewriteGuru have free plans?
Check-Plagiarism: Yes. RewriteGuru: Yes.
Who makes Check-Plagiarism?
Check-Plagiarism is made by Check-Plagiarism.
Who makes RewriteGuru?
RewriteGuru is made by RewriteGuru.
Which should I choose, Check-Plagiarism or RewriteGuru?
Choose Check-Plagiarism if you value free checks without an account and rewrite flagged text from the report. Choose RewriteGuru if you value free tier for short texts and pick words from synonym lists.