Best Legal Research Apps

197+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our legal research list covers 197+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Legal Research

Fastcase#1

Fastcase by Fastcase

Editor's Choice
🔍 Reference
2.4(72 ratings)
Free
Fastcase screenshot 1
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Fastcase screenshot 5

Access a comprehensive, free mobile law library containing cases and statutes from all 50 states and the federal government. Search by citation, keyword, or browse statute collections with smart search technology for relevant results. Save favorites and research history for on-the-go legal research.

JUDY - Legal Research Platform#3

JUDY - Legal Research Platform by JUDY Innovative Technologies Limited

AI-Powered Legal Research
Worth Considering
🔍 Reference
3.3(3 ratings)
Free
JUDY - Legal Research Platform screenshot 1
JUDY - Legal Research Platform screenshot 2
JUDY - Legal Research Platform screenshot 3
JUDY - Legal Research Platform screenshot 4
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JUDY - Legal Research Platform screenshot 6

This platform provides a comprehensive law reporting service to support legal professionals. It aims to streamline legal research by digitizing and organizing case judgments from common law countries, particularly in Africa, where such resources are often fragmented or inaccessible. The goal is to reduce the time spent on research and improve access to legal precedent.

More Legal Research apps to explore

4
LexisNexis® Digital Library
LexisNexis® Digital Library
LexisNexis® Digital Library
by OverDrive, Inc.
Free

Access your law library's complete eBook collection on your mobile device. Read, search, and annotate legal texts offline or online. Share research and organize your notes for convenient legal resource management.

Access full eBook collectionOffline reading and accessSearch within eBooks
🔍 Reference
(13)
free
5
State Statute & Federal Law
State Statute & Federal Law
State Statute & Federal Law
Laws, Codes, Rules & Statutes
Free

Access a comprehensive collection of state and federal laws, codes, and statutes. This app offers offline access, search functionality, and bookmarking for easy navigation and retrieval of legal information. It is designed for legal professionals and law enforcement.

Offline access to lawsSearchable legal databaseBookmark and favorite laws
🔍 Reference
(710)
free with in-app purchases
6
Harvey
Harvey
Harvey
Work securely from anywhere.
Free

This business app allows professionals to work securely from anywhere, offering seamless access to documents and queries. It enables hands-free querying via dictation, document scanning, and real-time syncing across devices for enhanced productivity.

Secure remote workHands-free dictation queriesDocument scanning and upload
💼 Business
(20)
free
7
Westlaw
Westlaw
Westlaw
by Thomson Reuters
Free

Access a comprehensive legal research service on your mobile device. Continue research started elsewhere, anytime, anywhere, with features like WestSearch and KeyCite. Save documents for offline access and share them via email, print, or download.

WestSearchKeyCiteSearch Filters
🔍 Reference
(120)
free with in-app purchases
8
AI Lawyer - Law Help
AI Lawyer - Law Help
AI Lawyer - Law Help
Best AI Assistant for Legal
Free

This app provides clear, easy-to-understand definitions of legal concepts and terms. It features an audio option for pronunciation and detailed explanations to help users grasp complex legal jargon. Ask the AI any law-related question for quick assistance.

Clear legal definitionsAudio pronunciation for termsDetailed explanations of jargon
🔍 Reference
(145)
free with in-app purchases
9
Legal Dictionary
Legal Dictionary
Legal Dictionary
Law Definitions and Thesaurus
Free

Access over 14,500 legal terms with in-depth definitions and pronunciations from authoritative sources. This app is ideal for legal professionals, students, and anyone needing to understand complex legal language.

14,500+ legal terms13,500+ audio pronunciationsOffline content access
🔍 Reference
(1.2K)
free with in-app purchases
10
Lexis®
Lexis®
Lexis®
by LexisNexis
Free

Conduct comprehensive legal research on your mobile device. Access critical legal documents, annotate them offline, and stay organized with remote access to saved files. Ensure your research is current with integrated tools for quick and efficient results.

Offline document viewing and annotationInstant alert viewingRemote access to saved files
💼 Business
(5)
subscription
11
Case Viewer: find & read cases
Case Viewer: find & read cases
Case Viewer: find & read cases
by Case Viewer LLC
Free

Access and read judicial opinions quickly on iOS and macOS. This app enhances legal content with AI-powered tools like tables of contents and annotations, offering a streamlined experience for case navigation.

Fast case retrievalEnhanced opinion formattingAI-powered tables of contents
🔍 Reference
(19)
free with in-app purchases
12
Constitution of United States.
Constitution of United States.
Constitution of United States.
United States Constitution USA
Free

Access the full text of the U.S. Constitution, amendments, executive orders, and landmark civil rights documents. Features include advanced search, interactive navigation, educational summaries, and an integrated podcast for easy understanding of legal concepts and historical context.

Complete U.S. Constitution textExecutive Orders and Civil Rights DocumentsIntegrated Constitutional Companion Podcast
🔍 Reference
(6K)
free with in-app purchases
13
Attorney's Briefcase
Attorney's Briefcase
Attorney's Briefcase
by Attorney's BriefCase
Free

This legal research tool provides comprehensive California law information, including case briefs, statutes, and expert commentary. Access full case texts, cross-referenced statutes, and concise summaries for efficient legal analysis. Available via subscription on multiple platforms.

California legal research systemCase briefs and statutory enactmentsExtensive quotations from cases
🔍 Reference
(4)
subscription
14
AI Reads Law: Legal Assistant
AI Reads Law: Legal Assistant
AI Reads Law: Legal Assistant
Contracts & Court Documents
Free

Understand legal documents like leases, contracts, and court notices in plain English. Get location-specific answers to your legal questions without needing a lawyer. Supports various document types and is available in multiple languages.

Upload and understand legal documentsPlain English explanationsLocation-specific legal guidance
📊 Productivity
(100)
free with in-app purchases
15
Law & Legal Terminology
Law & Legal Terminology
Law & Legal Terminology
Learn laws and legal terms
Free

This app provides a comprehensive dictionary of legal terms and definitions, explaining the specialized language used in law. It also covers the fundamental concepts of laws and regulations, aiding understanding for both legal professionals and the general public. Users can download or share images related to legal concepts.

Legal terminology definitionsExplanation of laws and regulationsDownloadable images
🔍 Reference
(1)
ad-supported
16
LawStack: CFR,USC,Statutes,Law
LawStack: CFR,USC,Statutes,Law
LawStack: CFR,USC,Statutes,Law
Legal Code & Rules of Court
Free

Access and search federal and state legal codes, rules, and statutes offline. Download essential legal documents to your device and subscribe to pro modules for expanded content. Request new titles to be added.

Offline access to downloaded titlesFull-text searchBookmarks
🔍 Reference
(367)
free with in-app purchases
17
PocketLaw - Legal References
PocketLaw - Legal References
PocketLaw - Legal References
For Lawyers, Police, and more
Free

Access a comprehensive library of US State and Federal laws, statutes, and regulations. Features include offline access, full-text search, bookmarks, and highlights for quick reference.

State and Federal Law AccessOffline AccessRich Full-Text Search
🔍 Reference
(61)
free with in-app purchases
18
OYEZ
OYEZ
OYEZ
by Justia Inc.
Free

Access comprehensive legal information, including Supreme Court cases and a lawyer directory. Customize your view to focus on specific areas of law, and enjoy flexible audio playback options with synchronized transcripts. Stay updated with regular case additions.

Supreme Court case informationJustia Lawyer DirectoryAnnotated US Constitution
📚 Education
(160)
free
19
Constitution for iPhone
Constitution for iPhone
Constitution for iPhone
Constitution in your pocket!
Free

Access the complete text of the US Constitution directly on your iPhone or iPod Touch. This app provides a portable reference for legal discussions and general knowledge.

US Constitution textPortable referenceLegal debate preparation
🔍 Reference
(126)
free with in-app purchases
20
Florida Statutes, FL Laws
Florida Statutes, FL Laws
Florida Statutes, FL Laws
FL State Law, Code & Title
Free

Access the complete and up-to-date Florida Statutes offline. Organize your legal research with custom notes and bookmarks, and easily share articles via email. Ideal for legal professionals, students, and anyone interested in Florida law.

Complete offline accessCustom notesCustomized bookmarks
🔍 Reference
(298)
subscription