Plagiarisma
8.0#2 in plagiarism checkersFrom $99 a yearFree planAndroidWebAPIExtension
VisitPlagiarisma vs Plagium
What both publish
| Fact | Plagiarisma | Plagium |
|---|---|---|
| AI detector | The site provides a separate detector that estimates whether text resembles model-generated writing. | The AI detector reports a likelihood of machine authorship and highlights mixed documents section by section. |
| Headquarters | 71-75 Shelton St, London WC2H 9JQ, United Kingdom | New York, USA and France |
| Limit: detection accuracy | An independent six-document test reported that the scanner detected only the unchanged website-copy test and missed altered, paraphrased, PDF, and e-book plagiarism. | A Trustpilot reviewer estimated plagiarism detection at only 50–60% accuracy and rated the AI detector worse than competitors. |
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
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 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.
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.