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.




PlagCheck is described as 'Modern plagiarism detection tool designed for students, educators, and professionals who value originality. With support for multiple file formats and over 100 languages, PlagCheck analyzes your text against a vast database of web pages, academic publications, and' and is a plagiarism checker in the education & reference category. There are 2 alternatives to PlagCheck, not only websites but also apps for iPad. The best PlagCheck alternative is Turnitin. It's not free, so if you're looking for a free alternative, you could try Quetext.
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.




Plagiarism Checker by Quetext. Our proprietary DeepSearch™ plagiarism checker searches for similarities across billions of documents