Turnitin is an Internet-based plagiarism-detection service created by iParadigms, LLC. It prevents plagiarism by using a proprietary algorithm to compare submitted papers to papers within its own database and several other large academic databases.




Turnitin is the most popular Web-based & iPad alternative to PlagCheck.
Turnitin is the most popular commercial alternative to PlagCheck.
- Turnitin is Paid and Proprietary



