Noplag Engine
7.1#11 in plagiarism detection softwareFrom $9.99 a monthFree planWebAPILinuxmacOS
VisitNoplag Engine vs Plagium
What both publish
| Fact | Noplag Engine | Plagium |
|---|---|---|
| API | The engine exposes a `/v1` API with checks, reports, uploads, progress events, and corpus management, and ships without authentication. | The institutional tier includes API access, and Plagium publishes API v3 and API v2 documentation. |
| Founded | 2014 | 2006 |
| Headquarters | San Francisco, United States | New York, USA and France |
| Integrations | The Enterprise plan lists Canvas, Moodle, and Blackboard LMS integrations; the features page also names Brightspace via LTI 1.3. | Plagium lists Google Drive integration and a Google Docs Add-on for analyzing documents. |
| Reports | Reports include per-source similarity, matching passage offsets, and coverage accounting. | Reports can include highlighted passages, matched sources, a similarity verdict, PDF export and a read-only share link. |
Noplag Engine plans
- FreeFree
- Pro$9.99 a month
- Premium$19.99 a month
- 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 Noplag Engine if…
The engine may suit developers or organizations that want to run plagiarism checks against a corpus they manage. Hosted plans are positioned for makers, teams, agencies, publishers, universities and regulated organizations, depending on tier.
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.