# Moyoo vs KooSai

The clearest difference is update cadence: KooSai at every 11 days against Moyoo's every 2 months. Moyoo's advantage is 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.

Moyoo ships an update every 2 months, KooSai every 11 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Moyoo | KooSai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 43 MB | 51 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oksana Sukhareva](https://appshunter.io/developer/1458878731) | [Vladimir Krtyan](https://appshunter.io/developer/957393820) |

## What reviewers say

### Moyoo

[App page](https://appshunter.io/ios/app/moyoo/id6503336591)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### KooSai

[App page](https://appshunter.io/ios/app/koosai/id6503903595)

**In-app purchases:** none


## Frequently asked questions

### Is Moyoo free?

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

### Is KooSai free?

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

### Do Moyoo or KooSai have ads?

Neither Moyoo nor KooSai shows ads.

### Which is updated more often, Moyoo or KooSai?

Moyoo ships an update every 2 months, and KooSai every 11 days. Most recently, Moyoo was updated on October 30, 2026 and KooSai on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*