Side by side
Copyleaks vs Plagiarism Checker by JustDone
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Detect plagiarism and AI-generated content instantly
Your Ultimate AI Assistant For Research, Writing & Studying
Primary task
Plagiarism detection
Plagiarism detection
Pricing
Paid · from $7.99/mo
Free Trial · Trial; then from $19.99/mo
Pricing details
from $7.99/mo
Free + from $19.99/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web, Chrome Extension
Web
Integrations
Not documented
Not documented
Source rating
No rating recorded
No rating recorded
Catalog views
2.6k
146
Estimated monthly traffic
3.4M
3.2M
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
- Supports research and writing tasks
- Comprehensive suite of tools
- Plagiarism Checker
- Grammar Checker
- Paraphraser
Listed limitations
- No mobile app
- Limited functionality in extension
- No offline mode
- Potential false positives
- Limited LMS integrations
- No offline functionality
- Lacks content organization features
- No version history
- No collaborative editing
- No real-time co-authoring