# 睡眠｜睡眠の記録と改善 vs Wamiwack

The clearest difference is ads: 睡眠｜睡眠の記録と改善 at none against Wamiwack's shown. 睡眠｜睡眠の記録と改善 also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 睡眠｜睡眠の記録と改善 | Wamiwack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/id1531800310/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Size | 61 MB | 8 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [bondavi Inc.](https://appshunter.io/developer/805401904) | [Hiroki Konno](https://appshunter.io/developer/1492396857) |

## What reviewers say

### 睡眠｜睡眠の記録と改善

[App page](https://appshunter.io/ios/app/id1531800310)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Wamiwack

[App page](https://appshunter.io/ios/app/wamiwack/id6457943399)

**In-app purchases:** none


## Frequently asked questions

### Is 睡眠｜睡眠の記録と改善 free?

睡眠｜睡眠の記録と改善 is free to download, with no in-app purchases.

### Is Wamiwack free?

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

### Do 睡眠｜睡眠の記録と改善 or Wamiwack have ads?

Wamiwack shows ads; 睡眠｜睡眠の記録と改善 does not.

### Which is updated more often, 睡眠｜睡眠の記録と改善 or Wamiwack?

睡眠｜睡眠の記録と改善 ships an update every 3 months, and Wamiwack every 3 months. Most recently, 睡眠｜睡眠の記録と改善 was updated on November 3, 2026 and Wamiwack 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.*