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Head-to-head · Legal Research Software

CanLII vs HeinOnline

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score CanLII #3 in Legal Research Software 9.1/10 Free plan Free plan✓ 6 of 6 features Visit CanLII
HeinOnline #30 in Legal Research Software 6.0/10 Pricing on request ✓ 5 of 6 features Visit HeinOnline

CanLII leads on 0 checks, HeinOnline on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCanLII · 9.1/10
  • Free planonly CanLII
  • Most featuresCanLII · 6 of 6

CanLII scores higher on our rubric for legal research software: 9.1 against 6.0 out of 10; our editors rank them #3 and #30.

CanLII is the better fit for free Canadian legal research. HeinOnline is the better fit for deep legal literature and source research.

  • CanLII fits best

    Free Canadian legal research

  • HeinOnline fits best

    Deep legal literature and source research

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Side by side

Feature CanLII 9.1/10 Visit ↗ HeinOnline 6.0/10 Visit ↗
At a glance
Editor score 9.1 6.0
Ranking #3 in Legal Research Software #30 in Legal Research Software
Best for Free Canadian legal research Deep legal literature and source research
Pricing model Free Paid
Starting price Free plan Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Features CanLII 6/6 · HeinOnline 5/6
Case law search ✓ ✓
Statute & regulation search ✓ ✓
Docket search ✓ (best) Not checked yet
Legal commentary ✓ ✓
Citation tools ✓ ✓
Research alerts ✓ ✓
Specs
Jurisdiction coverage Canada: federal, provincial and territorial jurisdictions United States federal and state, Canada, Australia, United Kingdom, Ireland, and international law
Our review
Pros
  • Free access to Canadian cases, statutes, regulations, and commentary
  • Citation, section noteup, docket, full-text, and natural-language searches
  • Lexbox alerts plus Lexbox and Clio integrations
  • Extensive full-text databases across legal and government materials
  • Citation navigation, ScholarCheck, alerts, and research organization tools
  • Five integrations, including CourtListener, Fastcase, and Zotero
Cons
  • Jurisdictional coverage is focused on Canada
  • Available through the web rather than native desktop or mobile apps
  • Lexbox is a supplementary tool for saved research and alerts
  • Institution-priced annual subscriptions require a sales conversation
  • Web-only access may not suit teams needing other platforms
  • Its feature set centers on research rather than docket workflows
Our verdict

CanLII is a free web-based legal research platform from the Canadian Legal Information Institute. It serves legal professionals, researchers, students, and the public with searchable Canadian court judgments, tribunal decisions, statutes,…

Read the review →

HeinOnline is a web-based legal research platform for law libraries, universities, government organizations, and other institutions. Its collections cover law journals, government documents, statutes, regulations, legislative histories,…

Read the review →
  1. CanLIILegal Research Software 9.1Free plan
  2. HeinOnlineLegal Research Software 6.0Pricing on request

Strengths and trade-offs

  • CanLII — where it wins

    • Free access to Canadian cases, statutes, regulations, and commentary
    • Citation, section noteup, docket, full-text, and natural-language searches
    • Lexbox alerts plus Lexbox and Clio integrations

    Where it doesn't

    • Jurisdictional coverage is focused on Canada
    • Available through the web rather than native desktop or mobile apps
    • Lexbox is a supplementary tool for saved research and alerts

  • HeinOnline — where it wins

    • Extensive full-text databases across legal and government materials
    • Citation navigation, ScholarCheck, alerts, and research organization tools
    • Five integrations, including CourtListener, Fastcase, and Zotero

    Where it doesn't

    • Institution-priced annual subscriptions require a sales conversation
    • Web-only access may not suit teams needing other platforms
    • Its feature set centers on research rather than docket workflows

More comparisons

All legal research software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update