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Head-to-head · AI Plagiarism Checkers

Compilatio Magister+ vs Noplag

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Compilatio Magister+ #5 in AI Plagiarism Checkers 8.8/10 Pricing on request ✓ 1 of 3 features Visit Compilatio
Noplag #8 in AI Plagiarism Checkers 8.4/10 Free plan · 14-day trial Free planFree trial✓ 1 of 3 features Visit Noplag

Compilatio Magister+ leads on 0 checks, Noplag on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCompilatio Magister+ · 8.8/10
  • Free planonly Noplag
  • Free trialonly Noplag

Compilatio Magister+ scores higher on our rubric for ai plagiarism checkers: 8.8 against 8.4 out of 10; our editors rank them #5 and #8.

Noplag offers free plan; Compilatio Magister+ doesn't.

Compilatio Magister+ is the better fit for institutions needing multilingual and OCR checking. Noplag is the better fit for technical users wanting open-source self-hosting.

  • Compilatio Magister+ fits best

    Institutions needing multilingual and OCR checking

  • Noplag fits best

    Technical users wanting open-source self-hosting

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 Compilatio Magister+ 8.8/10 Visit ↗ Noplag 8.4/10 Visit ↗
At a glance
Editor score 8.8 8.4
Ranking #5 in AI Plagiarism Checkers #8 in AI Plagiarism Checkers
Best for Institutions needing multilingual and OCR checking Technical users wanting open-source self-hosting
Pricing model Paid Free plan + paid
Starting price Pricing on request $9.99/mo
Free plan — ✓ (best)
Free trial — 14 days
Deployment Cloud Cloud, Desktop
Platforms Web Web, Windows, macOS, Linux
Integrations 6 integrations 4 integrations
Features Compilatio Magister+ 1/3 · Noplag 1/3
LMS integrations Not checked yet Not checked yet
API access ✓ ✓
AI writing check Not checked yet Not checked yet
Specs
Source coverage Not checked yet Not checked yet
Maximum document words Not checked yet Not checked yet
Supported file formats Not checked yet Not checked yet
Report export Not checked yet Not checked yet
Our review
Pros
  • Checks web, academic, scientific, and institutional sources
  • Adds translation, semantic rephrasing, AI, grammar, and OCR analysis
  • Supports six LMS integrations, API access, and PDF reports
  • Checks live web, academic papers, Common Crawl, Wikipedia, and proprietary databases
  • Open-source Apache 2.0 engine supports self-hosting
  • REST API, webhooks, LTI 1.3, and major LMS integrations
Cons
  • No free plan is offered
  • Pricing requires a customized quote from sales
  • Designed for educational establishments rather than individual users
  • No AI-generated-text detection
  • Free and paid checks cap documents at 2,500 to 50,000 words
  • Advanced features require paid plans or Enterprise deployment
Our verdict

Compilatio Magister+ is an online plagiarism and AI-content checker for teachers and educational institutions. It compares submitted work with web sources, institutional documents, academic and scientific references, and other content. Its…

Read the review →

Noplag is a plagiarism checker for students, educators, researchers, publishers, and businesses. It accepts pasted text, document uploads, and URLs, then compares content with live web pages, academic papers, Common Crawl, Wikipedia, and…

Read the review →
  1. Compilatio Magister+AI Plagiarism Checkers 8.8Pricing on request
  2. NoplagAI Plagiarism Checkers 8.4Free plan · 14-day trial

Strengths and trade-offs

  • Compilatio Magister+ — where it wins

    • Checks web, academic, scientific, and institutional sources
    • Adds translation, semantic rephrasing, AI, grammar, and OCR analysis
    • Supports six LMS integrations, API access, and PDF reports

    Where it doesn't

    • No free plan is offered
    • Pricing requires a customized quote from sales
    • Designed for educational establishments rather than individual users

  • Noplag — where it wins

    • Checks live web, academic papers, Common Crawl, Wikipedia, and proprietary databases
    • Open-source Apache 2.0 engine supports self-hosting
    • REST API, webhooks, LTI 1.3, and major LMS integrations

    Where it doesn't

    • No AI-generated-text detection
    • Free and paid checks cap documents at 2,500 to 50,000 words
    • Advanced features require paid plans or Enterprise deployment
  • Compilatio Magister+8.8/10 · Pricing on request

    A broad institutional checker with multilingual, OCR, AI, and LMS capabilities.

    Visit CompilatioFull verdict →
  • Noplag8.4/10 · Free plan · 14-day trial

    A self-hostable plagiarism checker with broad source coverage but no AI detection.

    Visit NoplagFull verdict →

More comparisons

All AI plagiarism checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update