# KOZO vs ALBA　公式アプリ

The clearest difference is iOS requirement: ALBA　公式アプリ at 11.0 against KOZO's 13.0. 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.

KOZO ships an update every 31 months, ALBA　公式アプリ every 40 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KOZO | ALBA　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 31 months** | Every 40 months |
| Size | 4 MB | 6 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [Yumi Sugawara](https://appshunter.io/developer/1521591000) |

## What reviewers say

### KOZO

[App page](https://appshunter.io/ios/app/kozo/id1523961762)

**Features:** macOS Compatibility

**In-app purchases:** none


### ALBA　公式アプリ

[App page](https://appshunter.io/ios/app/alba/id1575486459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KOZO free?

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

### Is ALBA　公式アプリ free?

ALBA　公式アプリ is free to download, with no in-app purchases.

### Do KOZO or ALBA　公式アプリ have ads?

Neither KOZO nor ALBA　公式アプリ shows ads.

### Which is updated more often, KOZO or ALBA　公式アプリ?

KOZO ships an update every 31 months, and ALBA　公式アプリ every 40 months. Most recently, KOZO was updated on October 10, 2026 and ALBA　公式アプリ on October 12, 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.*