# Ujitsu vs OSS Academy

The clearest difference is in-app purchases: OSS Academy at none against Ujitsu's 4. OSS Academy also leads on review sentiment (100% vs 67%) and device support (3 vs 1). Ujitsu's advantage is update cadence (weekly vs every 2 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. OSS Academy asks for nothing beyond the download.

Ujitsu ships an update weekly, OSS Academy every 2 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Ujitsu | OSS Academy |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 71 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ujitsu DMCC](https://appshunter.io/developer/1798204469) | [Jeremy Roustang](https://appshunter.io/developer/595131737) |

## What reviewers say

### 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 |


### OSS Academy

[App page](https://appshunter.io/ios/app/oss-academy/id6755065484)

This platform streamlines the management of combat sports academies, offering tools for class scheduling, attendance tracking, payments, and student progression. It supports academy owners, professors, and practitioners with features for managing finances, teaching, and tracking martial arts journeys.

**Highlights:** Smart class scheduling, Attendance tracking (QR code), Member management with roles, Integrated payment processing, Student progression tracking, Competition management, Built-in store for merchandise

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

**In-app purchases:** none


## Frequently asked questions

### Is Ujitsu free?

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

### Is OSS Academy free?

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

### Do Ujitsu or OSS Academy have ads?

Neither Ujitsu nor OSS Academy shows ads.

### Which is updated more often, Ujitsu or OSS Academy?

Ujitsu ships an update weekly, and OSS Academy every 2 weeks. Most recently, Ujitsu was updated on October 15, 2026 and OSS Academy on October 11, 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.*