# Jitsu Join vs Jiu Jitsu Reference

The clearest difference is device support: Jitsu Join at 3 against Jiu Jitsu Reference's 1. Jitsu Join also leads on iOS requirement (13.4 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Jitsu Join ships an update every 3 weeks, Jiu Jitsu Reference monthly. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Jitsu Join | Jiu Jitsu Reference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 32 MB | 73 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Technabit e.U.](https://appshunter.io/developer/1667527313) | [Eric Javier Hernandez Saura](https://appshunter.io/developer/1825081260) |

## What reviewers say

### Jitsu Join

[App page](https://appshunter.io/ios/app/jitsu-join/id6737226504)

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

**In-app purchases:** none


### Jiu Jitsu Reference

[App page](https://appshunter.io/ios/app/jiu-jitsu-reference/id6752857232)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jitsu Join free?

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

### Is Jiu Jitsu Reference free?

Jiu Jitsu Reference is free to download, with no in-app purchases.

### Do Jitsu Join or Jiu Jitsu Reference have ads?

Neither Jitsu Join nor Jiu Jitsu Reference shows ads.

### Which is updated more often, Jitsu Join or Jiu Jitsu Reference?

Jitsu Join ships an update every 3 weeks, and Jiu Jitsu Reference monthly. Most recently, Jitsu Join was updated on October 2, 2026 and Jiu Jitsu Reference on September 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.*