kitio.aiTurnitin vs PlagiarismCheck.org
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Turnitin starts at See pricing page and PlagiarismCheck.org 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 checker
- AI content detector
- LMS integrations
- Google Docs add-on
- Plagiarism check API
- Essay grader
| Feature | Turnitin | PlagiarismCheck.org |
|---|---|---|
| Best for | Plagiarism and AI writing detection used by schools and universities | Plagiarism checker and AI detector for schools, students and businesses |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | Turnitin | PlagiarismCheck.org |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Both offer: LMS integrations.
Pricing compared
Turnitin starts at See pricing page and PlagiarismCheck.org 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
PlagiarismCheck.org
- Integrates with seven major LMS platforms
- Checks for both plagiarism and AI text
- API for platforms and businesses
- Free check for individuals
- Plan prices not shown in the evidence
- AI detection can produce false positives
- Extra writing tools are fairly basic
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 PlagiarismCheck.org if you want:
- Integrates with seven major LMS platforms
- Checks for both plagiarism and AI text
- API for platforms and businesses
Watch out: plan prices not shown in the evidence.
Turnitin vs PlagiarismCheck.org FAQ
What is the difference between Turnitin and PlagiarismCheck.org?
Turnitin: Plagiarism and AI writing detection used by schools and universities. PlagiarismCheck.org: Plagiarism checker and AI detector for schools, students and businesses. Both are writing tools.
Is Turnitin or PlagiarismCheck.org cheaper?
Turnitin starts at See pricing page and PlagiarismCheck.org starts at See pricing page. Check both pricing pages for current plans.
Do Turnitin and PlagiarismCheck.org have free plans?
Turnitin: No. PlagiarismCheck.org: Yes.
Who makes Turnitin?
Turnitin is made by Turnitin, based in United States.
Who makes PlagiarismCheck.org?
PlagiarismCheck.org is made by PlagiarismCheck.org.
Which should I choose, Turnitin or PlagiarismCheck.org?
Choose Turnitin if you value very large comparison database and built into most lmss. Choose PlagiarismCheck.org if you value integrates with seven major lms platforms and checks for both plagiarism and ai text.