# OOONAIL vs Relaxation mummy　公式アプリ

OOONAIL 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.

Both ship on a similar rhythm, roughly every 39 months. The most recent releases landed on October 19, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OOONAIL | Relaxation mummy　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | Every 39 months |
| Size | 16 MB | 22 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KAE KATSUTA](https://appshunter.io/developer/1490961642) | [MAYUMI UWAFUNE](https://appshunter.io/developer/1627465248) |

## What reviewers say

### OOONAIL

[App page](https://appshunter.io/ios/app/ooonail/id1490961643)

**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 OOONAIL free?

OOONAIL 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 OOONAIL or Relaxation mummy　公式アプリ have ads?

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

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

OOONAIL ships an update every 39 months, and Relaxation mummy　公式アプリ every 39 months. Most recently, OOONAIL was updated on October 19, 2026 and Relaxation mummy　公式アプリ on October 27, 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.*