Comparison

Lexis® vs RelativityOne

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lexis®

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.

Highlights
  • Offline document viewing and annotation
  • Instant alert viewing
  • Remote access to saved files
  • Quick access to research history
  • Shepard's® integration for 'good law'
  • Document delivery via email/PDF
Features
Read full description

Transform the way you conduct legal research on the go! Get your hands on the award-winning Lexis® mobile app that was identified by eWEEK and the Consumer Electronics Association as the only innovative mobile app designed to support job efficiency for lawyers! Access critical information with Lexis® right from your Apple iPhone® or iPad®. Whether you are in the courtroom or on your morning commute, conduct comprehensive research quickly to find relevant results. Please note you must have a current Lexis® subscription and valid ID/password to utilize this app. With the Lexis® app, you can: • View and annotate documents while offline with ability to sync changes! • View alerts instantly • Stay organized with remote access to saved files and folders • Access favorites, previous research results quickly and search within results • Ensure your research is “good law” with Shepard’s® • Browse Sources and access Table of Contents • Highlight and annotate text within documents • Deliver documents via email, wireless printing or one-click PDF options And much more! “The iPad app is invaluable. Being able to search efficiently from the iPad while in court, in meetings or traveling is fantastic, and the ability to save the important cases to folders is very important to me.”- Associate at Large Law Firm “I especially like the ability to conduct research through the app on my iPad which makes me efficient outside of the office.”- Partner at Large Law Firm. For full research functionality, please visit Lexis® on the web. LexisNexis, the Knowledge Burst logo, Lexis, Shepard’s are registered trademarks and Shepard’s Signal is a trademark of Reed Elsevier Properties Inc., used under license. Apple, iPad and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. Please be sure to leave a review in the App Store for the Lexis® app. Tell us what you like and what you want to see in future releases.

About

RelativityOne

This business application offers secure document review and management capabilities for legal professionals. Access case files, share documents, and make coding decisions from anywhere, with all changes syncing instantly to the main platform. It prioritizes security with passcode and biometric login options.

Highlights
  • Secure document sharing
  • Access Views and Saved Searches
  • Code documents with instant syncing
  • Mobile access to RelativityOne
  • 6-digit passcode/biometric login
Features
Read full description

RelativityOne provides everything needed to tackle document review challenges. Get the control and flexibility you need to amplify your team’s efforts and get to the substance of a matter. Whether you’re in the office or on the go, the mobile application for RelativityOne allows you to securely share documents, access Views and Saved Searches, and code documents with all decisions instantly reflected in RelativityOne. RelativityOne was built with security top of mind. The app requires a 6-digit passcode (or TouchID / FaceID) and a RelativityOne log in.

Screenshots

Lexis®4 screens
RelativityOne4 screens

Verdict

The call

The clearest difference is monetization model: RelativityOne at free against Lexis®'s subscription. RelativityOne also leads on ratings volume (27 vs 5). Lexis®'s advantage is rating (3.8 vs 3.4) and review sentiment (23% vs 0%). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Lexis® holds the better App Store score, 3.8 against 3.4. That said, the two scores are not equally well evidenced: RelativityOne has 27 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 23% of Lexis®'s written reviews are positive against 0% of RelativityOne's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
Lexis® versus RelativityOne: the parameters behind the verdict, then further details
ParameterLexis®RelativityOne
PriceFreeFree
Rating3.8 (5 ratings) — better3.4 (27 ratings)
Positive reviews23.3% of reviews — better0.0% of reviews
Number of ratings527 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size28 MB17 MB
Age rating4+4+
DeveloperLexisNexisRelativity ODA LLC

Customer experience

Lexis®

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews60 reviews
Positive23.3%
Neutral8.3%
Negative68.3%

RelativityOne

All ratings27 ratings
Positive63.0%
Neutral0.0%
Negative37.0%
Written reviews6 reviews
Positive0.0%
Neutral16.7%
Negative83.3%

Bugs and requests

Lexis®

Reported bugs

42 issues
  • Lexis AI documents show as 'out of plan'
  • Browser version pulls up old interface
  • Filter search to statutes yields cases
  • Table of contents titles cut off
  • App resets when multitasking
Show 37 more
  • App does not run effectively in background
  • App hangs on reset and requires re-login
  • App randomly kills tabs
  • App does not automatically drop cursor in search box
  • Suggestion bar replaces keyboard during typing
  • Crashes frequently
  • Freezes all the time
  • Highlighting fails and doesn't stay
  • Saving to folder takes too long
  • Internal navigation buttons make no sense
  • Session times out
  • Cannot find specific databases (e.g., person report)
  • App resets when switching between apps
  • Requires client selection again after reset
  • Search must be restarted after reset
  • Update broke the app
  • Constant errors in searching or opening cases
  • App does not display documents
  • App is missing some states in search parameters
  • App crashes when trying to email documents
  • App crashes upon opening
  • Cannot log in after updates
  • App not recognizing network connection
  • App does not communicate with servers
  • App asks to update after already updated
  • Cannot get past logon screen after update
  • App crashes immediately after logging in
  • App crashes whenever client number is selected
  • App shows 'no network' with full WiFi/cell signal
  • App crashes before it finishes starting up
  • App crashes every time it is opened on iPad
  • App is totally unresponsive
  • App crashes on iPad 2
  • App works on iPhone only
  • Error message 'Error occurred, please contact Lexis customer support' on search
  • Error message to contact customer service
  • App crashes when attempting to search a case

Requested features

30 requests
  • Integrate with browser interface seamlessly
  • Filter results from all appellate courts
  • Search all circuit courts without individual selection
  • Add more highlighter colors
  • Allow editing search terms after execution
Show 25 more
  • Improve navigation between content types
  • Make filters easier to locate
  • Automatically drop cursor in search box
  • Improve browsing code/regs via sections
  • Prevent multiple tabs on citation search
  • Prevent random tab killing
  • Improve search results filtering
  • Allow selecting next case without going back to results
  • Add search within document function
  • Add graphical Shepard's
  • Improve text formatting and layout
  • Add dark mode option
  • Add ability to change display font
  • Add line height and margin adjustments
  • Remember login information
  • Fix session timeouts
  • Improve multi-tasking stability
  • Allow saving to folders to work consistently
  • Make UI less obstructive
  • Improve filtering by date for secondary sources
  • Allow opening results in current tab
  • Improve app stability for email function
  • Fix update issues
  • Allow users to browse statutes via table of contents
  • Include all states in search parameters

RelativityOne

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lexis®

No in-app purchases

None

RelativityOne

No in-app purchases

Questions

Is Lexis® free?
Lexis® is free to download, with no in-app purchases.
Is RelativityOne free?
RelativityOne is free to download, with no in-app purchases.
Which has better reviews, Lexis® or RelativityOne?
Lexis® is rated higher. Lexis® averages 3.8 out of 5 from 5 ratings, while RelativityOne averages 3.4 from 27 ratings.
Do Lexis® or RelativityOne have ads?
Neither Lexis® nor RelativityOne shows ads.
Which is updated more often, Lexis® or RelativityOne?
Lexis® ships an update every 2 months, and RelativityOne every 2 months. Most recently, Lexis® was updated on October 7, 2026 and RelativityOne on September 14, 2026.

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