kitio.aiTurnitin vs Plag
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Turnitin starts at See pricing page and Plag 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
- Similarity Report
- AI writing indicator
- LMS integrations
- Feedback Studio
- Draft process insights
- Plagiarism check
- AI content detection
- Translated plagiarism detection
- 129 languages
- Private file handling
- Many file formats
| Feature | Turnitin | Plag |
|---|---|---|
| Best for | Plagiarism and AI writing detection used by schools and universities | Plagiarism checker and AI content detector for documents |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | Turnitin | Plag |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Turnitin starts at See pricing page and Plag starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Turnitin
- Very large comparison database
- Built into most LMSs
- Trusted by institutions
- Not available to individuals
- AI scores can be contested
- Pricing only through institutions
Plag
- Files not stored in comparison databases
- Free originality scores
- Wide language coverage
- Full reports are priced by document length
- AI detectors can produce false positives
- No flat subscription price shown
Which one should you choose?
Choose Turnitin if you want:
- Very large comparison database
- Built into most LMSs
- Trusted by institutions
Watch out: not available to individuals.
Choose Plag if you want:
- Files not stored in comparison databases
- Free originality scores
- Wide language coverage
Watch out: full reports are priced by document length.
Turnitin vs Plag FAQ
What is the difference between Turnitin and Plag?
Turnitin: Plagiarism and AI writing detection used by schools and universities. Plag: Plagiarism checker and AI content detector for documents. Both are writing tools.
Is Turnitin or Plag cheaper?
Turnitin starts at See pricing page and Plag starts at See pricing page. Check both pricing pages for current plans.
Do Turnitin and Plag have free plans?
Turnitin: No. Plag: Yes.
Who makes Turnitin?
Turnitin is made by Turnitin, based in United States.
Who makes Plag?
Plag is made by Plag.
Which should I choose, Turnitin or Plag?
Choose Turnitin if you value very large comparison database and built into most lmss. Choose Plag if you value files not stored in comparison databases and free originality scores.