# Digitsu vs Brain

The clearest difference is in-app purchases: Brain at none against Digitsu's 2. Brain also leads on iOS requirement (15.6 vs 17.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Digitsu sells 2 in-app purchases, starting at $24.99 per month. Brain asks for nothing beyond the download.

Digitsu ships an update every 5 weeks, Brain every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Digitsu | Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/digitsu-bjj-library/id6448546329/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 42 MB |
| Requires iOS | 17.5 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Digitsu LLC](https://appshunter.io/developer/1684951521) | [Kazuhiro Miyachi](https://appshunter.io/developer/1730505082) |

## What reviewers say

### Digitsu

[App page](https://appshunter.io/ios/app/digitsu-bjj-library/id6448546329)

Access a comprehensive library of Brazilian Jiu-Jitsu instructional courses from expert instructors. Stream or download lessons, track your progress across devices, and utilize an AI assistant for technique and competitor analysis. Subscribe in-app for full access.

**Highlights:** AI assistant for techniques and stats, Full library access, Offline lesson downloads, Cross-device progress sync, Browse by topic or instructor

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $24.99 | per month |
| Annual | $239.99 | per year |


### Brain

[App page](https://appshunter.io/ios/app/brain-jiu-jitsu/id6477785304)

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

**In-app purchases:** none


## Frequently asked questions

### Is Digitsu free?

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

### Is Brain free?

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

### Do Digitsu or Brain have ads?

Neither Digitsu nor Brain shows ads.

### Which is updated more often, Digitsu or Brain?

Digitsu ships an update every 5 weeks, and Brain every 2 months. Most recently, Digitsu was updated on November 3, 2026 and Brain on October 30, 2026.

---

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