# DSM vs Matlock

The clearest difference is ads: DSM at none against Matlock's shown. Matlock's advantage is update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. DSM sells 2 in-app purchases, starting at $9.99 per month and Matlock sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

DSM ships an update every 2 months, Matlock every 2 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DSM | Matlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/matlock-bjj-study-app/id6755410310/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 9 MB | 48 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Ashlee Spradley](https://appshunter.io/developer/1847742148) |

## What reviewers say

### DSM

[App page](https://appshunter.io/ios/app/dsm-5-exam-test/id6738940726)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


### Matlock

[App page](https://appshunter.io/ios/app/matlock-bjj-study-app/id6755410310)

This app helps practitioners of Brazilian Jiu-Jitsu improve their skills by studying techniques, positions, and submissions. It offers tools like flashcards and notes for faster review and better performance on the mat.

**Highlights:** Technique memorization, Jiu-Jitsu skill improvement, Grappling skill building, Study positions and submissions, Flashcards for review, Daily training tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Matlock Premium | $4.99 | per month |


## Frequently asked questions

### Is DSM free?

DSM is free to download, with in-app purchases available.

### Is Matlock free?

Matlock is free to download, with in-app purchases available.

### Do DSM or Matlock have ads?

Matlock shows ads; DSM does not.

### Which is updated more often, DSM or Matlock?

DSM ships an update every 2 months, and Matlock every 2 weeks. Most recently, DSM was updated on November 2, 2026 and Matlock on October 30, 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.*