# Lexis+® with Protégé™ Mobile vs Justinian

The clearest difference is review sentiment: Justinian at 100% against Lexis+® with Protégé™ Mobile's 56%. Justinian also leads on rating (5.0 vs 3.2) and monetization model (free vs subscription). Lexis+® with Protégé™ Mobile's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Justinian holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews point the same way: 56% of Lexis+® with Protégé™ Mobile's written reviews are positive against 100% of Justinian's.

Lexis+® with Protégé™ Mobile ships an update every 11 days, Justinian every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Lexis+® with Protégé™ Mobile | Justinian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (12 ratings)](https://appshunter.io/ios/app/lexis-plus-with-protege-mobile/id6535696427/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/justinian/id6770300616/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Subscription | **Free** |
| Size | 87 MB | 310 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [LexisNexis](https://appshunter.io/developer/336328471) | [Vulcan Technologies, Inc.](https://appshunter.io/developer/1896731484) |

## What reviewers say

### Lexis+® with Protégé™ Mobile

[App page](https://appshunter.io/ios/app/lexis-plus-with-protege-mobile/id6535696427)

This app provides legal professionals with AI-powered research tools on mobile devices. It offers features like asking legal questions, summarizing cases, and drafting documents, all synced across devices.

**Highlights:** Ask legal questions with AI, Summarize legal cases, Generate document drafts, Sync conversations across devices, Secure document sharing, Track alert results

**In-app purchases:** none


### Justinian

[App page](https://appshunter.io/ios/app/justinian/id6770300616)

An AI-powered platform for legal professionals to conduct regulatory research. It offers natural language search, analysis, and document generation against legal texts. Access is provided through organizational agreements.

**Highlights:** AI-powered regulatory research, Natural language search, AI-powered analysis, Professional document generation, Access to regulations, statutes, and court opinions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lexis+® with Protégé™ Mobile free?

Lexis+® with Protégé™ Mobile is free to download, with no in-app purchases.

### Is Justinian free?

Justinian is free to download, with no in-app purchases.

### Which has better reviews, Lexis+® with Protégé™ Mobile or Justinian?

Justinian is rated higher. Lexis+® with Protégé™ Mobile averages 3.2 out of 5 from 12 ratings, while Justinian averages 5.0 from 6 ratings.

### Do Lexis+® with Protégé™ Mobile or Justinian have ads?

Neither Lexis+® with Protégé™ Mobile nor Justinian shows ads.

### Which is updated more often, Lexis+® with Protégé™ Mobile or Justinian?

Lexis+® with Protégé™ Mobile ships an update every 11 days, and Justinian every 3 days. Most recently, Lexis+® with Protégé™ Mobile was updated on October 24, 2026 and Justinian on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*