# ひつじ数え歌　－睡眠アプリ－ vs Sleep Words for Overthinking

The clearest difference is in-app purchases: ひつじ数え歌　－睡眠アプリ－ at none against Sleep Words for Overthinking's 1. Sleep Words for Overthinking's advantage is update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sleep Words for Overthinking sells 1 in-app purchase, starting at $4.99 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 Words for Overthinking every 10 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ひつじ数え歌　－睡眠アプリ－ | Sleep Words for Overthinking |
| --- | --- | --- |
| 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 | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 20 MB | 461 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hinata Ariyoshi](https://appshunter.io/developer/408212089) | [Kengo Shimizu](https://appshunter.io/developer/1896557531) |

## 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 Words for Overthinking

[App page](https://appshunter.io/ios/app/sleep-words-for-overthinking/id6768289249)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |


## 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 Words for Overthinking free?

Sleep Words for Overthinking is free to download, with in-app purchases available.

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

Neither ひつじ数え歌　－睡眠アプリ－ nor Sleep Words for Overthinking shows ads.

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

ひつじ数え歌　－睡眠アプリ－ ships an update every 3 months, and Sleep Words for Overthinking every 10 days. Most recently, ひつじ数え歌　－睡眠アプリ－ was updated on November 1, 2026 and Sleep Words for Overthinking on October 28, 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.*