# Adatto vs Ciel bleu　公式アプリ

The clearest difference is update cadence: Ciel bleu　公式アプリ at every 3 months against Adatto's every 25 months. Adatto's advantage is iOS requirement (8.0 vs 12.0). 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.

Adatto ships an update every 25 months, Ciel bleu　公式アプリ every 3 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Adatto | Ciel bleu　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 months** |
| Size | 3 MB | 5 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [kazuki kimura](https://appshunter.io/developer/1551935275) |

## What reviewers say

### Adatto

[App page](https://appshunter.io/ios/app/adatto/id1479809844)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ciel bleu　公式アプリ

[App page](https://appshunter.io/ios/app/ciel-bleu/id1627686152)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Adatto free?

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

### Is Ciel bleu　公式アプリ free?

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

### Do Adatto or Ciel bleu　公式アプリ have ads?

Neither Adatto nor Ciel bleu　公式アプリ shows ads.

### Which is updated more often, Adatto or Ciel bleu　公式アプリ?

Adatto ships an update every 25 months, and Ciel bleu　公式アプリ every 3 months. Most recently, Adatto was updated on October 12, 2026 and Ciel bleu　公式アプリ on October 21, 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.*