# Ichou vs Relaxation mummy　公式アプリ

Ichou and Relaxation mummy　公式アプリ 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.

Ichou ships an update every 38 months, Relaxation mummy　公式アプリ every 39 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Ichou | Relaxation mummy　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 36 MB | 22 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HISAE YAMASHITA](https://appshunter.io/developer/1573545959) | [MAYUMI UWAFUNE](https://appshunter.io/developer/1627465248) |

## What reviewers say

### Ichou

[App page](https://appshunter.io/ios/app/ichou/id1573545957)

**In-app purchases:** none


### Relaxation mummy　公式アプリ

[App page](https://appshunter.io/ios/app/relaxation-mummy/id1627465246)

**In-app purchases:** none


## Frequently asked questions

### Is Ichou free?

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

### Is Relaxation mummy　公式アプリ free?

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

### Do Ichou or Relaxation mummy　公式アプリ have ads?

Neither Ichou nor Relaxation mummy　公式アプリ shows ads.

### Which is updated more often, Ichou or Relaxation mummy　公式アプリ?

Ichou ships an update every 38 months, and Relaxation mummy　公式アプリ every 39 months. Most recently, Ichou was updated on November 3, 2026 and Relaxation mummy　公式アプリ on November 3, 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.*