# CosmoLex vs Rocket Matter

The clearest difference is rating: CosmoLex at 2.8 against Rocket Matter's 1.4. CosmoLex also leads on monetization model (free vs subscription). Rocket Matter's advantage is ratings volume (59 vs 13) and iOS requirement (11.0 vs 16.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

CosmoLex holds the better App Store score, 2.8 against 1.4. Both are backed by a comparable volume of ratings — 13 and 59 respectively. Written reviews point the same way: 13% of CosmoLex's written reviews are positive against 10% of Rocket Matter's.

CosmoLex ships an update every 3 months, Rocket Matter every 6 months. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CosmoLex | Rocket Matter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (13 ratings)](https://appshunter.io/ios/app/cosmolex/id1240250492/reviews)** | [1.4 (59 ratings)](https://appshunter.io/ios/app/rocket-matter/id1263663000/reviews) |
| Number of ratings | 13 | **59** |
| Positive reviews | **12.5% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | **Free** | Subscription |
| Size | 12 MB | 58 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cosmolex LLC](https://appshunter.io/developer/1240250491) | [Rocket Matter, LLC](https://appshunter.io/developer/550477928) |

## What reviewers say

### CosmoLex

[App page](https://appshunter.io/ios/app/cosmolex/id1240250492)

This cloud-based legal practice management software provides a comprehensive suite of tools for law offices. It offers case management, timekeeping, billing, bookkeeping, and client communication features, all accessible from any device.

**Highlights:** Case information management, Timekeeping and billing, Business and trust accounting, Calendar and task management, Document management, Secure client portal, Email integration

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

**In-app purchases:** none


### Rocket Matter

[App page](https://appshunter.io/ios/app/rocket-matter/id1263663000)

Manage your entire law practice from your mobile device. Access client data, track time and expenses, communicate securely, and manage your calendar and tasks on the go. All your firm's critical information is securely backed up and accessible anywhere.

**Highlights:** Secure firm communication, Financial information access, Document previews, Calendar, contacts, and tasks management, Time tracking and billing, Document and picture uploads, Push notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CosmoLex free?

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

### Is Rocket Matter free?

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

### Which has better reviews, CosmoLex or Rocket Matter?

CosmoLex is rated higher. CosmoLex averages 2.8 out of 5 from 13 ratings, while Rocket Matter averages 1.4 from 59 ratings.

### Do CosmoLex or Rocket Matter have ads?

Neither CosmoLex nor Rocket Matter shows ads.

### Which is updated more often, CosmoLex or Rocket Matter?

CosmoLex ships an update every 3 months, and Rocket Matter every 6 months. Most recently, CosmoLex was updated on October 17, 2026 and Rocket Matter on October 21, 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.*