Noplag
8.3#1 in plagiarism checkersFrom $9.99 a monthFree planWebAPILinuxmacOS
VisitNoplag vs PlagiarismCheck.org
PlagiarismCheck.org
6.2#19 in plagiarism checkers$5.99 one-timeWebAPIExtension
VisitWhat both publish
| Fact | Noplag | PlagiarismCheck.org |
|---|---|---|
| AI detection | AI-content detection is marked as coming soon and is intended to appear as a separate signal. | The site claims 99% accuracy in detecting even slight signs of AI. |
| Company history | Noplag says it launched in Kyiv in 2014, joined a New York EdTech accelerator in 2018 and raised $200,000 in seed funding. | PlagiarismCheck.org says it was created in 2011 as an assistance tool for college students and teachers. |
| Founded | 2014 | 2011 |
| Integrations | The features page lists Canvas, Moodle, Blackboard, and Brightspace integrations via LTI 1.3. | Listed integrations include Moodle, Google Classroom, Canvas, Blackboard and a Google Docs add-on. |
Noplag plans
- FreeFree
- Pro$9.99 a month
- Premium$19.99 a month
- EnterprisePriced on request
PlagiarismCheck.org plans
- Basic$5.99, paid once
- Light$9.99, paid once
- Standard$25.49, paid once
- Premium$45.49, paid once
- AdvancedPriced on request
- ProPriced on request
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 PlagiarismCheck.org if…
PlagiarismCheck.org suits individuals who need occasional text checks and institutions seeking originality, authorship, or AI detection features. Its listed integrations may be useful to organizations using supported learning platforms.