Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Plagiarism Checkers

iThenticate vs Quetext AI Detector

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score iThenticate #3 in Plagiarism Checkers 9.0/10 Paid ✓ 4 of 4 features Visit iThenticate
Quetext AI Detector #10 in Plagiarism Checkers 8.3/10 Free plan Free plan✓ 4 of 4 features Visit Quetext

iThenticate leads on 0 checks, Quetext AI Detector on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreiThenticate · 9.0/10
  • Free planonly Quetext AI Detector

iThenticate scores higher on our rubric for plagiarism checkers: 9.0 against 8.3 out of 10; our editors rank them #3 and #10.

Quetext AI Detector offers free plan; iThenticate doesn't.

iThenticate is the better fit for researchers and publishers needing private-repository checks. Quetext AI Detector is the better fit for users combining AI detection with basic plagiarism checks.

  • iThenticate fits best

    Researchers and publishers needing private-repository checks

  • Quetext AI Detector fits best

    Users combining AI detection with basic plagiarism checks

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature iThenticate 9.0/10 Visit ↗ Quetext AI Detector 8.3/10 Visit ↗
At a glance
Editor score 9.0 8.3
Ranking #3 in Plagiarism Checkers #10 in Plagiarism Checkers
Best for Researchers and publishers needing private-repository checks Users combining AI detection with basic plagiarism checks
Pricing model Paid Free plan + paid
Starting price $125 one-time $7.99/mo
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web, Chrome extension
Integrations 3 integrations 6 integrations
Features iThenticate 4/4 · Quetext AI Detector 4/4
Web source matching ✓ ✓
Academic source matching ✓ ✓
API access ✓ ✓
LMS integration ✓ ✓
Specs
Supported languages Not checked yet 14 languages
Word limit Not checked yet 1000 words
Report export formats PDF PDF
Our review
Pros
  • Checks internet, publication, Crossref, submitted-work, and private-repository content
  • Provides multiple report views, highlighted matches, and PDF downloads
  • Supports API, LTI, and SSO integrations for organizational accounts
  • Sentence-level analysis with confidence scoring and linguistic insights
  • Matches web pages, academic papers, and published works
  • Includes bulk uploads, PDF reports, API, and LMS integrations
Cons
  • No free plan is available
  • The lowest-priced option costs $125 one time
  • Organization pricing is customized rather than published
  • Free AI and plagiarism checks are capped at 1,000 words
  • Broader plagiarism workflows depend on paid tiers
  • AI Detector Only does not include plagiarism checking
Our verdict

iThenticate is a web-based similarity-checking product for scholarly publishers, research departments, institutions, authors, and researchers. It compares submitted manuscripts and other documents with internet pages, archived web content,…

Read the review →

Quetext AI Detector combines AI-generated text detection with plagiarism checking for students, educators, content creators, professionals, and educational institutions. Its analysis works at sentence level, with confidence scoring,…

Read the review →
  1. iThenticatePlagiarism Checkers 9.0Paid
  2. Quetext AI DetectorPlagiarism Checkers 8.3Free plan

Strengths and trade-offs

  • iThenticate — where it wins

    • Checks internet, publication, Crossref, submitted-work, and private-repository content
    • Provides multiple report views, highlighted matches, and PDF downloads
    • Supports API, LTI, and SSO integrations for organizational accounts

    Where it doesn't

    • No free plan is available
    • The lowest-priced option costs $125 one time
    • Organization pricing is customized rather than published

  • Quetext AI Detector — where it wins

    • Sentence-level analysis with confidence scoring and linguistic insights
    • Matches web pages, academic papers, and published works
    • Includes bulk uploads, PDF reports, API, and LMS integrations

    Where it doesn't

    • Free AI and plagiarism checks are capped at 1,000 words
    • Broader plagiarism workflows depend on paid tiers
    • AI Detector Only does not include plagiarism checking

More comparisons

All plagiarism checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update