Copyscape
7.5#4 in ai plagiarism checkersFrom $4.95 a monthFree planWebAPISelf-hosted
VisitCopyscape vs Plagiarisma
Plagiarisma
8.0#2 in plagiarism checkersFrom $99 a yearFree planAndroidWebAPIExtension
VisitWhat both publish
| Fact | Copyscape | Plagiarisma |
|---|---|---|
| Headquarters | Crunchbase lists Copyscape in Tel Aviv, Israel. | 71-75 Shelton St, London WC2H 9JQ, United Kingdom |
| Purpose | Copyscape checks web content and new human- or AI-generated content for plagiarism and duplicate text found online. | The online checker scans text against web sources, books, and academic papers for originality. |
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
Plagiarisma plans
- Plagiarisma Desktop Plagiarism CheckerFree
- Standard checksFree
- One-day subscription$2, paid once
- One-month subscription$10, paid once
- Three-month subscription$25, paid once
- Six-month subscription$49, paid once
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 Plagiarisma if…
Plagiarisma is aimed at students, bloggers, and freelance writers who want to check text originality. Its Windows tools and Google Docs add-on may also suit people who want paraphrasing or AI detection alongside plagiarism checking.