Turnitin vs Detecting-AI.com
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Turnitin starts at See pricing page and Detecting-AI.com starts at $15/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 text detection
- Sentence-level highlights
- Plagiarism checker
- Fact checker
- REST APIs
- MCP server
| Feature | Turnitin | Detecting-AI.com |
|---|---|---|
| Best for | Plagiarism and AI writing detection used by schools and universities | AI text detector with plagiarism checks and developer APIs |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $15/mo |
| Free plan | No | Yes |
| Made by | Turnitin | Detecting-AI.com |
| 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 Detecting-AI.com starts at $15/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
Free
Free
- Scans up to 15,000 characters
- No signup required
Writer
$6/mo billed yearly
- Unlimited AI detection
- 1M characters per scan
- Plagiarism credits
Pro
$13/mo billed yearly
- Unlimited AI detection
- More plagiarism credits
- Fact checker
Scholar
$20/mo billed yearly
- For long research documents
- Largest plagiarism allowance
AI Detector API
$15/mo
- 100,000 detector words
- REST endpoint and MCP tool
API Bundle
$35/mo
- 100,000 words per API
- Detector, humanizer and plagiarism
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
Detecting-AI.com
- Free scans without an account
- Accepts PDF and DOCX uploads
- API and MCP options for developers
- Free scans limited to 15,000 characters
- Consumer plan prices shown on yearly billing
- Detection scores are probabilistic, not proof
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 Detecting-AI.com if you want:
- Free scans without an account
- Accepts PDF and DOCX uploads
- API and MCP options for developers
Watch out: free scans limited to 15,000 characters.
Turnitin vs Detecting-AI.com FAQ
What is the difference between Turnitin and Detecting-AI.com?
Turnitin: Plagiarism and AI writing detection used by schools and universities. Detecting-AI.com: AI text detector with plagiarism checks and developer APIs. Both are writing tools.
Is Turnitin or Detecting-AI.com cheaper?
Turnitin starts at See pricing page and Detecting-AI.com starts at $15/mo. Check both pricing pages for current plans.
Do Turnitin and Detecting-AI.com have free plans?
Turnitin: No. Detecting-AI.com: Yes.
Who makes Turnitin?
Turnitin is made by Turnitin, based in United States.
Who makes Detecting-AI.com?
Detecting-AI.com is made by Detecting-AI.com.
Which should I choose, Turnitin or Detecting-AI.com?
Choose Turnitin if you value very large comparison database and built into most lmss. Choose Detecting-AI.com if you value free scans without an account and accepts pdf and docx uploads.