LEGIS - Offline Law AI

Now with on-device AI and 11 million federal court opinions. Search the entire US Code, CFR, and Supreme Court — all offline, all private, all yours.

LEGIS is your offline-first legal research companion — built for attorneys, law students, paralegals, and anyone who needs serious legal research at their fingertips.

Professional-grade research at consumer pricing. 11+ million authoritative documents. On-device AI. Zero tracking.

WHAT'S INCLUDED

• US Code — all 50 titles of federal statutes (49,000+ sections) • Code of Federal Regulations — all 49 active titles (227,000+ sections) • Supreme Court opinions — 944,000+ decisions going back centuries • Federal court opinions — 10 million+ cases from circuit and district courts • Congressional records — bills and resolutions from the 118th and 119th Congress • Federal Register — rules, proposed rules, and agency notices • State statutes — expanding state-by-state coverage

ON-DEVICE AI ASSISTANT

Ask questions in plain English. The AI uses Apple's FoundationModels framework to run entirely on your device — no queries sent to any server. Every answer cites authoritative sources from the built-in database. Never gives legal advice; always shows you the law.

FAST FULL-TEXT SEARCH

SQLite FTS5 with BM25 relevance ranking. Search across all databases at once or filter by category: Statutes, Cases, or Congress. Highlighted snippets, tappable citations, instant results even across 11 million documents.

SMART CITATIONS

Every "42 U.S.C. § 1983", "21 CFR § 314.50", and "Brown v. Board of Education" in the text is tappable. Jump instantly from one source to the next. Build your research chain without losing context. URLs open directly in Safari.

ORGANIZED FOR LAWYERS

Browse by category: US Code by title, CFR by agency, Supreme Court by court and date. Save bookmarks for sections you reference often. Section index bars (A–Z scrubber) for fast navigation in long lists.

COMPLETELY OFFLINE

Download the databases you need once. Everything runs locally. No internet required. Perfect for courtrooms, flights, rural areas, or any situation where connectivity is unreliable or prohibited.

PRIVACY BY DESIGN

Zero third-party SDKs. No tracking, no analytics, no ads, no IDFA. Your research history stays on your device. Privacy-sensitive research (criminal defense, whistleblower cases, confidential matters) stays private.

FOR PROFESSIONALS

• Solo practitioners who can't afford Westlaw or Lexis • Law students preparing for the bar exam or studying case law • Paralegals doing document-intensive research • Pro se litigants representing themselves • Anyone who needs fast, authoritative US legal text

FREE vs. LEGIS PRO

FREE: Full search, browsing, and access to all databases you download LEGIS PRO: On-device AI assistant, bookmarks, future power-user features

• 3-day free trial • $9.99/month • $49.99/year (save over 58%)

SOURCES & LICENSES

All primary legal material is public domain under 17 U.S.C. § 105 (US government works). Case law from CourtListener (CC0, Free Law Project). CFR and statutes from eCFR.gov and the Government Publishing Office. No copyrighted annotations, no proprietary headnotes — just authoritative primary law.

IOS AND MACOS

Native SwiftUI. iPhone, iPad, Mac. Subscription syncs via iCloud. Works on iOS 26+ and macOS 26+.

DISCLAIMERS

LEGIS is a legal research tool, not a law firm. Nothing in this app constitutes legal advice. Always verify citations against official sources before relying on them in legal proceedings. LEGIS is not affiliated with any court, legislature, or government agency.

Get LEGIS today — professional-grade US legal research that fits in your pocket.

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