# ひつじ数え歌　－睡眠アプリ－ vs Sleep Game

The clearest difference is review sentiment: Sleep Game at 67% against ひつじ数え歌　－睡眠アプリ－'s 10%. Sleep Game also leads on update cadence (every 5 weeks vs every 3 months). ひつじ数え歌　－睡眠アプリ－'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and iOS requirement there is nothing between them.

Both are free to download. Sleep Game sells 2 in-app purchases, starting at $2.99 per month. ひつじ数え歌　－睡眠アプリ－ asks for nothing beyond the download.

ひつじ数え歌　－睡眠アプリ－ ships an update every 3 months, Sleep Game every 5 weeks. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ひつじ数え歌　－睡眠アプリ－ | Sleep Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id426016372/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 10.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 123 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hinata Ariyoshi](https://appshunter.io/developer/408212089) | [Hiroaki Abe](https://appshunter.io/developer/1554815876) |

## What reviewers say

### ひつじ数え歌　－睡眠アプリ－

[App page](https://appshunter.io/ios/app/id426016372)

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

**In-app purchases:** none


### Sleep Game

[App page](https://appshunter.io/ios/app/sleep-game-good-sleeperz/id1585167521)

This app gamifies sleep improvement by tracking your rest and rewarding you with adorable sheep adventures. It offers digital detox features, natural sleep sounds, and detailed analysis to help you build healthier sleep habits.

**Highlights:** Easy sleep tracking, Digital detox "Good Night Shield", Natural sleep sounds, Social sheep collection, Detailed sleep analysis, Nap mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium(monthly) | $2.99 | per month |
| Premium(Annual) | $29.99 | per year |


## Frequently asked questions

### Is ひつじ数え歌　－睡眠アプリ－ free?

ひつじ数え歌　－睡眠アプリ－ is free to download, with no in-app purchases.

### Is Sleep Game free?

Sleep Game is free to download, with in-app purchases available.

### Do ひつじ数え歌　－睡眠アプリ－ or Sleep Game have ads?

Sleep Game shows ads; ひつじ数え歌　－睡眠アプリ－ does not.

### Which is updated more often, ひつじ数え歌　－睡眠アプリ－ or Sleep Game?

ひつじ数え歌　－睡眠アプリ－ ships an update every 3 months, and Sleep Game every 5 weeks. Most recently, ひつじ数え歌　－睡眠アプリ－ was updated on October 16, 2026 and Sleep Game on October 18, 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.*