Noplag
8.3#1 in plagiarism checkersFrom $9.99 a monthFree planWebAPILinuxmacOS
VisitNoplag vs Plagiarisma
Plagiarisma
8.0#2 in plagiarism checkersFrom $99 a yearFree planAndroidWebAPIExtension
VisitWhat both publish
| Fact | Noplag | Plagiarisma |
|---|---|---|
| Desktop features | The macOS desktop app supports drag-and-drop checks, watch folders, native notifications, automatic updates and OCR for scanned PDFs. | The Windows desktop page lists plagiarism scanning, an AI content detector, an AI paraphrasing tool, and an APA citation generator. |
| Headquarters | San Francisco, United States | 71-75 Shelton St, London WC2H 9JQ, United Kingdom |
| Input methods | Users can paste text, upload DOCX/PDF/TXT/ODT/RTF files or submit a URL for checking. | Users can paste text, check a URL, or upload a document. |
| Languages | Detection is calibrated at launch for English, Spanish, Portuguese, Polish, and Ukrainian. | The homepage says the checker supports more than 190 languages. |
Noplag plans
- FreeFree
- Pro$9.99 a month
- Premium$19.99 a month
- 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 Noplag if…
Noplag may suit people checking documents for verbatim or near-verbatim overlap, including makers, small teams, agencies, publishers, and educational organizations. The listed plans range from a three-check monthly free tier to custom Enterprise arrangements.
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.