Copyscape
7.5#4 in ai plagiarism checkersFrom $4.95 a monthFree planWebAPISelf-hosted
VisitCopyscape vs Plagium
What both publish
| Fact | Copyscape | Plagium |
|---|---|---|
| API | The Premium API supports automated URL, text, AI-detector and private-index operations with JSON, XML or HTML responses. | The institutional tier includes API access, and Plagium publishes API v3 and API v2 documentation. |
| Founded | Crunchbase lists the company as founded in 2003. | 2006 |
| Headquarters | Crunchbase lists Copyscape in Tel Aviv, Israel. | New York, USA and France |
| Praise: ease and accuracy | Independent reviewers repeatedly praise Copyscape as simple to use, quick, accurate for duplicate-content checks and useful for validating writers’ web content. | The sole Capterra reviewer praised ease of use, broad source comparison and detection accuracy, reporting no negative experience. |
| Rating on Capterra | 4.8 out of 5 from 71 reviews | 5.0 out of 5 from 1 review. |
| Rating on GetApp | 4.8 out of 5 from 71 reviews | 5.0 out of 5 from 1 review. |
Copyscape plans
- Free CopyscapeFree
- Copyscape Premium$0.03, paid once
- Copysentry Weekly protection$4.95 a month
- Copysentry Premium daily protection$19.95 a month
- Copyscape EnterprisePriced on request
Plagium plans
- FreeFree
- Free accountFree
- Single document$2, paid once
- Credit packages$7.95, paid once
- Unlimited$19.98 a month
- Institutional$1,200 a year
Pick Copyscape if…
Copyscape may suit publishers, website operators, and teams checking submitted or newly created content for online duplication. Premium and its API may suit organizations automating checks or reviewing batches.
Pick Plagium if…
Plagium may suit students and other users checking text, as well as institutions, publishers and organizations needing document workflows or API access. Users should account for the free account's search and character limits.