kitio.aiTurnitin vs TheChecker.AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Turnitin starts at See pricing page and TheChecker.AI starts at $9.90/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
- Similarity Report
- AI writing indicator
- LMS integrations
- Feedback Studio
- Draft process insights
- AI probability scoring
- Paragraph-level analysis
- PDF and document upload
- Text humanizer
- MCP tools for Claude
| Feature | Turnitin | TheChecker.AI |
|---|---|---|
| Best for | Plagiarism and AI writing detection used by schools and universities | AI text detector with a humanizer and an MCP connector for Claude |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $9.90/mo |
| Free plan | No | Yes |
| Made by | Turnitin | TheChecker.AI |
| 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 TheChecker.AI starts at $9.90/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Monthly
$9.90/mo
- Unlimited AI detections
- 5,000 humanizer words a month
- PDF and document upload
Yearly
$99/yr
- Everything in Monthly
- Billed once a year
Enterprise
Contact sales
- LMS and API integration
- Bulk user management
- Advanced analytics
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
TheChecker.AI
- Unlimited checks on the paid plan
- Works inside Claude through MCP
- Humanizer credits never expire
- Detection scores are probabilistic, not proof
- Humanizer words are capped each month
- Free option is only a demo
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 TheChecker.AI if you want:
- Unlimited checks on the paid plan
- Works inside Claude through MCP
- Humanizer credits never expire
Watch out: detection scores are probabilistic, not proof.
Turnitin vs TheChecker.AI FAQ
What is the difference between Turnitin and TheChecker.AI?
Turnitin: Plagiarism and AI writing detection used by schools and universities. TheChecker.AI: AI text detector with a humanizer and an MCP connector for Claude. Both are writing tools.
Is Turnitin or TheChecker.AI cheaper?
Turnitin starts at See pricing page and TheChecker.AI starts at $9.90/mo. Check both pricing pages for current plans.
Do Turnitin and TheChecker.AI have free plans?
Turnitin: No. TheChecker.AI: Yes.
Who makes Turnitin?
Turnitin is made by Turnitin, based in United States.
Who makes TheChecker.AI?
TheChecker.AI is made by TheChecker.AI.
Which should I choose, Turnitin or TheChecker.AI?
Choose Turnitin if you value very large comparison database and built into most lmss. Choose TheChecker.AI if you value unlimited checks on the paid plan and works inside claude through mcp.