# Brain vs Ujitsu

The clearest difference is in-app purchases: Brain at none against Ujitsu's 4. Brain also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Ujitsu's advantage is update cadence (weekly vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. Ujitsu sells 4 in-app purchases, starting at $4.99 per month. Brain asks for nothing beyond the download.

Brain ships an update every 6 weeks, Ujitsu weekly. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Brain | Ujitsu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/ujitsu/id6736822663/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 68 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhiro Miyachi](https://appshunter.io/developer/1730505082) | [Ujitsu DMCC](https://appshunter.io/developer/1798204469) |

## What reviewers say

### Brain

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

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

**In-app purchases:** none


### Ujitsu

[App page](https://appshunter.io/ios/app/ujitsu/id6736822663)

This app is a comprehensive platform for jiu-jitsu practitioners. It allows users to book classes, track their progress, find training partners, and connect with a global community. Tools are also available for athletes and academies to build their presence.

**Highlights:** Book jiu-jitsu classes, Track training progress and set goals, Find sparring partners, Connect with a global grappler community, Tools for athletes and academies, Stay updated on tournaments and events

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Monthly Plan | $4.99 | per month |
| Personal Annual Plan | $34.99 | per year |
| Academy Basic Monthly Plan | $49.99 | per month |
| Academy Basic Annual Plan | $359.00 | per year |


## Frequently asked questions

### Is Brain free?

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

### Is Ujitsu free?

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

### Do Brain or Ujitsu have ads?

Neither Brain nor Ujitsu shows ads.

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

Brain ships an update every 6 weeks, and Ujitsu weekly. Most recently, Brain was updated on September 29, 2026 and Ujitsu on September 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.*