Best Legal Research Apps

194+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our legal research list covers 194+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Legal Research

JUDY - Legal Research Platform#1

JUDY - Legal Research Platform by JUDY Innovative Technologies Limited

AI-Powered Legal Research
Editor's Choice
🔍 Reference
3.3(3 ratings)
Free
JUDY - Legal Research Platform screenshot 1
JUDY - Legal Research Platform screenshot 2
JUDY - Legal Research Platform screenshot 3
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JUDY - Legal Research Platform screenshot 5
JUDY - Legal Research Platform screenshot 6

This legal research platform harnesses AI to unlock the full potential of global case judgments, making it easier for lawyers to find relevant precedents and argue their cases. By providing a convenient and comprehensive law reporting service, it aims to support the legal profession and administration of justice.

Lexis+® with Protégé™ Mobile#3

Lexis+® with Protégé™ Mobile by LexisNexis

Worth Considering
💼 Business
3.4(11 ratings)
Free
Lexis+® with Protégé™ Mobile screenshot 1
Lexis+® with Protégé™ Mobile screenshot 2
Lexis+® with Protégé™ Mobile screenshot 3
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Lexis+® with Protégé™ Mobile screenshot 5
Lexis+® with Protégé™ Mobile screenshot 6

Access comprehensive legal research on-the-go with the Lexis AI® Mobile app for Apple devices. Utilize advanced AI technology to ask legal questions, summarize cases, and generate drafts efficiently. Enhance productivity with features like seamless mobile-to-desktop sync, document sharing, and alert tracking. Subscription required for full functionality. Visit Lexis AI® on the web for more information.

More Legal Research apps to explore

4
Fastcase
Fastcase
Fastcase
by Fastcase
Free

This free legal research application provides access to a vast library of American cases and statutes, allowing users to search, browse, and save documents for later use. With customizable features, smart search technology, and daily updates, it's a must-have tool for lawyers and researchers on-the-go, sign up now and start searching!

🔍 Reference
(72)
5
Westlaw
Westlaw
Westlaw
by Thomson Reuters
Free

Access the award-winning legal research service on the go with this app, offering features like WestSearch, KeyCite, and more. Collaborate, save documents, and enjoy premium features exclusively for Westlaw Edge users. Contact a Reference Attorney for support or questions.

🔍 Reference
(120)
6
LexisNexis® Digital Library
LexisNexis® Digital Library
LexisNexis® Digital Library
by OverDrive, Inc.
Free

Access your law library's full eBook collection on your mobile device, with features like offline access, search, and annotation tools, and get convenient and organized research capabilities. Download and install the app, enter your institution's library code, and start exploring your digital library today.

🔍 Reference
(13)
7
State Statute & Federal Law
State Statute & Federal Law
State Statute & Federal Law
Laws, Codes, Rules & Statutes
Free

State Statute is a user-friendly mobile app that provides quick access to state laws, statutes, and legal information. Easily search for specific statutes, browse by category, and stay up-to-date with legal changes. Download now for free access to essential legal resources.

🔍 Reference
(707)
8
AI Reads Law: Legal Assistant
AI Reads Law: Legal Assistant
AI Reads Law: Legal Assistant
Contracts & Court Documents
Free

Get quick legal assistance with AI Reads Law. Simply ask about statutes and get accurate information instantly!

📊 Productivity
(100)
9
Attorney's Briefcase
Attorney's Briefcase
Attorney's Briefcase
by Attorney's BriefCase
Free
🔍 Reference
(4)
10
AI Lawyer - Law Help
AI Lawyer - Law Help
AI Lawyer - Law Help
Best AI Assistant for Legal
Free

AI Lawyer - Law Help is an AI Assistant app that simplifies legal concepts and terms for easy understanding. It offers audio explanations and a law dictionary tool for quick learning. Whether you're a legal professional or just interested in law, this app is valuable for all. Download now and provide feedback to enhance the app's functionality.

🔍 Reference
(145)
11
Legal Dictionary
Legal Dictionary
Legal Dictionary
Law Definitions and Thesaurus
Free

This app provides access to over 14,500 legal terms, audio pronunciations, and in-depth definitions from trusted legal sources. Perfect for attorneys, law students, and anyone seeking clarity on legal terminology. Discover legal insights instantly on your iPhone or iPad without any subscriptions.

🔍 Reference
(1.2K)
12
PocketLaw - Legal References
PocketLaw - Legal References
PocketLaw - Legal References
For Lawyers, Police, and more
Free

This legal reference application provides offline access to a comprehensive library of US state and federal laws, regulations, and statutes, allowing professionals such as lawyers, police, and judges to easily search and reference critical information. Download the app to access a vast library of laws and regulations, and stay up-to-date with the latest information.

🔍 Reference
(61)
13
Constitution of United States.
Constitution of United States.
Constitution of United States.
United States Constitution USA
Free

Explore the power of the 1789 USA Constitution with a comprehensive app designed for students, legal professionals, and citizens. Access and understand the foundational document that shaped the United States with Constitutional Companion.

🔍 Reference
(5.7K)
14
Lexis®
Lexis®
Lexis®
by LexisNexis
Free

Conduct comprehensive legal research on-the-go with this award-winning mobile app, accessing critical information and staying organized with remote file access, document annotation, and research validation tools. Download now and transform the way you work, with features like offline access, document delivery, and more, to boost your job efficiency.

💼 Business
(5)
15
Legal AI Assistant: Law Help
Legal AI Assistant: Law Help
Legal AI Assistant: Law Help
Solve all your legal doubts
Free

Get instant legal advice with AI precision from Legal Assistant - AI Lawyer. Consult for free on family law, immigration, divorce, and more. Access fast, reliable legal answers anytime, anywhere.

📊 Productivity
(261)
16
Constitution for iPhone
Constitution for iPhone
Constitution for iPhone
Constitution in your pocket!
Free

Carry the US Constitution in your pocket with this app! Be ready for any legal debate by having a copy of the US Constitution on your iPhone or iPod Touch.

🔍 Reference
(121)
17
US Laws, State Law Library
US Laws, State Law Library
US Laws, State Law Library
USA Titles, Statutes, Codes
Free

Access all US state laws offline in one convenient app. Covers laws from all 50 states, with annual subscription options available for timely updates. Get the app now!

🔍 Reference
(63)
18
LegalShield, Law Firms On Call
LegalShield, Law Firms On Call
LegalShield, Law Firms On Call
by Pre-Paid Legal Services, Inc.
Free

This app provides easy access to legal support directly from your law firm, offering services like on-demand legal help, document submission, and 24/7 emergency assistance. With features such as tapping to call your law firm or submitting your Will Questionnaire, it simplifies legal processes for over 4.1 million users across North America.

💼 Business
(10K)
19
Legal Eagle AI
Legal Eagle AI
Legal Eagle AI
AI Legal Research, Made Easy
Free
🔍 Reference
(0)
20
LawStack: CFR,USC,Statutes,Law
LawStack: CFR,USC,Statutes,Law
LawStack: CFR,USC,Statutes,Law
Legal Code & Rules of Court
Free

A comprehensive legal code application with statutes, CFR, and USC available for easy access. Stay updated on legal information with quick search and offline availability. Download now for instant legal reference on-the-go!

🔍 Reference
(367)