# 4Trainers vs Ujitsu

The clearest difference is in-app purchases: 4Trainers at none against Ujitsu's 4. 4Trainers also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 4Trainers | 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 | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 113 MB | 71 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [DENIS BETTO](https://appshunter.io/developer/1628244147) | [Ujitsu DMCC](https://appshunter.io/developer/1798204469) |

## What reviewers say

### 4Trainers

[App page](https://appshunter.io/ios/app/4trainers/id1628244145)

**Features:** macOS Compatibility

**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 4Trainers free?

4Trainers is free to download, with no in-app purchases.

### Is Ujitsu free?

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

### Do 4Trainers or Ujitsu have ads?

Neither 4Trainers nor Ujitsu shows ads.

### Which is updated more often, 4Trainers or Ujitsu?

4Trainers ships an update weekly, and Ujitsu weekly. Most recently, 4Trainers was updated on October 7, 2026 and Ujitsu on October 10, 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.*