# USK Karate vs FOURM40

USK Karate and FOURM40 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | USK Karate | FOURM40 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/usk-karate/id1360198740/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 20 MB | 200 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [David Alvas](https://appshunter.io/developer/1468467626) | [FOURM40 LLC](https://appshunter.io/developer/1863721998) |

## What reviewers say

### USK Karate

[App page](https://appshunter.io/ios/app/usk-karate/id1360198740)

Stay informed about upcoming events and explore the comprehensive curriculum. Receive timely mobile notifications directly from the studio.

**Highlights:** View upcoming events, Browse curriculum, Receive mobile notifications, Studio updates

**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 USK Karate free?

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

### Is FOURM40 free?

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

### Do USK Karate or FOURM40 have ads?

Neither USK Karate nor FOURM40 shows ads.

### Which is updated more often, USK Karate or FOURM40?

USK Karate ships an update every 2 months, and FOURM40 every 2 months. Most recently, USK Karate 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.*