# Budo Ryu vs FOURM40

The clearest difference is update cadence: FOURM40 at every 2 months against Budo Ryu's every 5 months. FOURM40 also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Budo Ryu ships an update every 5 months, FOURM40 every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Budo Ryu | FOURM40 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 215 MB | 200 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Stichting Budo Ryu Sports](https://appshunter.io/developer/1739106562) | [FOURM40 LLC](https://appshunter.io/developer/1863721998) |

## What reviewers say

### Budo Ryu

[App page](https://appshunter.io/ios/app/budo-ryu/id6480463188)

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

**In-app purchases:** none


### FOURM40

[App page](https://appshunter.io/ios/app/fourm40/id6756926720)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Budo Ryu free?

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

### Is FOURM40 free?

FOURM40 is free to download, with no in-app purchases.

### Do Budo Ryu or FOURM40 have ads?

Neither Budo Ryu nor FOURM40 shows ads.

### Which is updated more often, Budo Ryu or FOURM40?

Budo Ryu ships an update every 5 months, and FOURM40 every 2 months. Most recently, Budo Ryu was updated on October 24, 2026 and FOURM40 on October 14, 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.*