Side by side
Copyleaks vs Duplichecker
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Detect plagiarism and AI-generated content instantly
Detect copied content instantly and for free.
Primary task
Plagiarism detection
Plagiarism detection
Pricing
Paid · from $7.99/mo
Freemium · Free + from $10/mo
Pricing details
from $7.99/mo
Free + from $10/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web, Chrome Extension
Web
Integrations
Not documented
Make
Source rating
No rating recorded
5.0 / 5 · 2 ratings
Catalog views
2.6k
4.9k
Estimated monthly traffic
3.4M
11.4M
Catalog imported
29 Aug 2026
29 Aug 2026
Listed strengths
- High accuracy plagiarism detection
- API and LMS integration
- Chrome extension available
- Multi-language support
- Copy detection in code
No pros listed yet
Listed limitations
- No mobile app
- Limited functionality in extension
- No offline mode
- Potential false positives
- Limited LMS integrations
No limitations recorded; this does not mean none exist.