# CREF22 vs KimonOS

The clearest difference is update cadence: KimonOS at every 3 days against CREF22's weekly. CREF22's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CREF22 ships an update weekly, KimonOS every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CREF22 | KimonOS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free |
| Size | 18 MB | 37 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [SPORTI - TECNOLOGIA E GESTAO NO ESPORTE LTDA](https://appshunter.io/developer/1499486852) | [GL SOLUCOES EM TECNOLOGIA LTDA](https://appshunter.io/developer/6786026917) |

## What reviewers say

### CREF22

[App page](https://appshunter.io/ios/app/cref22/id6478245048)

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

**In-app purchases:** none


### KimonOS

[App page](https://appshunter.io/ios/app/kimonos/id6786026915)

Manage your martial arts academy experience from your phone. Track training progress, check-ins, belt progression, and class schedules. Access your digital student ID, pay monthly fees, and sign documents digitally.

**Highlights:** Track training progress and evolution, Digital student ID and emergency information, View class schedules and academy announcements, Gamified training with XP and achievements, Digital payment for monthly fees, Sign contracts and register for events

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

**In-app purchases:** none


## Frequently asked questions

### Is CREF22 free?

CREF22 is free to download, with no in-app purchases.

### Is KimonOS free?

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

### Do CREF22 or KimonOS have ads?

Neither CREF22 nor KimonOS shows ads.

### Which is updated more often, CREF22 or KimonOS?

CREF22 ships an update weekly, and KimonOS every 3 days. Most recently, CREF22 was updated on October 25, 2026 and KimonOS on October 31, 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.*