Tech riderRev. 3 Oct 2026
Turnitin Similarity
- 1Runs onAPI, Web
- 2Source coverageweb academic + publisher
- 3Supported file formatsDOC, DOCX, XLS, XLSX, PPT, PPTX, PostScript, PDF, HTML, HWP, RTF, ODT, WordPerfect, TXT
- 4LMS integrationsYes
- 5API accessYes
- 6Report exportpdf
- 7AI writing checkYes
7 lines stated Written from the maker's own pages: turnitin.co.uk
Overview
Turnitin Similarity is ranked #24 of 26 in AI plagiarism checkers on Specifiction. It runs on API, Web.
Turnitin Similarity plans and pricing
All plansTurnitin Similarity Contact sales for pricing Institutional product · pricing not stated on the opened page turnitin.co.uk · 3 Oct 2026
Compared on AI plagiarism checkers
- Source coverage
- web_academic_and_publisherturnitin.co.uk
- Supported file formats
- DOC, DOCX, XLS, XLSX, PPT, PPTX, PostScript, PDF, HTML, HWP, RTF, ODT, WordPerfect, TXTturnitin.co.uk
- LMS integrations
- Yesturnitin.co.uk
- API access
- Yesturnitin.co.uk
- Report export
- pdfturnitin.co.uk
- AI writing check
- Yesturnitin.co.uk
Facts
- Purpose
- Turnitin Similarity compares student work with existing content to help educators review potential plagiarism and student collusion.turnitin.co.uk · 3 Oct 2026
- Similarity reports
- Reports show a similarity score, colour-coded matches, side-by-side source comparisons, and options to exclude matches.turnitin.co.uk · 3 Oct 2026
- Content coverage
- The product compares work with student submissions, current and archived web pages, and premium publisher articles across 170 languages.turnitin.co.uk · 3 Oct 2026
- Flags panel
- The Flags Panel highlights potentially manipulated text, including replaced or hidden characters.turnitin.co.uk · 3 Oct 2026
- Similarity is not a plagiarism verdict
- Turnitin says Similarity flags text matches that may constitute plagiarism but does not determine whether plagiarism occurred.turnitin.co.uk · 3 Oct 2026
- Formative use
- The product supports formative resubmissions through an LMS and is presented as a way to help students improve originality before final submission.turnitin.co.uk · 3 Oct 2026
- Integrations
- Turnitin Similarity can be used on the web or integrated natively or through API and LTI 1.3 with LMSs including D2L, Canvas, Moodle, and Sakai.turnitin.co.uk · 3 Oct 2026
- Security
- The product page states that data is protected with SSL encryption, redundant servers, SOC 2-certified data centres, and GDPR compliance.turnitin.co.uk · 3 Oct 2026
- AI detection add-on
- AI writing and AI paraphrasing detection are available through the Turnitin Originality add-on, with the AI feature noted as English-only.turnitin.co.uk · 3 Oct 2026
- Supported users
- Turnitin identifies students, instructors, and administrators as users the product supports.turnitin.co.uk · 3 Oct 2026
- Support
- Turnitin directs users to its Help Center for product guides, release notes, searchable help content, and technical support contact options.turnitin.co.uk · 3 Oct 2026
- Company
- Turnitin says it has served the global education community since 1998 and lists an office in Oakland, California.in.turnitin.com · 3 Oct 2026
Best Turnitin Similarity alternatives
See all 20 All accessCh 01 Noplag Free planFree trialAPI from $9.99/mo7.8 All accessCh 02 PlagAware Free planFree trialAPI from €2.99/mo7.4 All accessCh 03 Plagium Free planAndroidiOS Free to start7.3 All accessCh 04 PrePostSEO Plagiarism Checker AndroidAPI from $0.35/mo7.3 All accessCh 05 Copyscape Free planFree trialAPI from $4.95/mo7.2 All accessCh 06 Plagius Free trialMacWeb from $4.90/mo7.2
Where it ranks on Specifiction
- Best AI Plagiarism Checkers in 2026#24 of 26
Is Turnitin Similarity yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- turnitin.co.uk/products/similarity/· checked 3 Oct 2026
- in.turnitin.com/about/· checked 3 Oct 2026