# 認知シャッフル睡眠法 vs EYSK Jump Counter

The clearest difference is in-app purchases: EYSK Jump Counter at none against 認知シャッフル睡眠法's 2. EYSK Jump Counter also leads on update cadence (every 2 days vs every 6 weeks). 認知シャッフル睡眠法's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 認知シャッフル睡眠法 sells 2 in-app purchases, starting at $1.99 per month. EYSK Jump Counter asks for nothing beyond the download.

認知シャッフル睡眠法 ships an update every 6 weeks, EYSK Jump Counter every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 認知シャッフル睡眠法 | EYSK Jump Counter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eysk-jump-counter/id6809053992/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 136 MB | 80 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [mika kubo](https://appshunter.io/developer/1877061175) | [Kiseon Cho](https://appshunter.io/developer/1609478221) |

## What reviewers say

### 認知シャッフル睡眠法

[App page](https://appshunter.io/ios/app/sleepwords/id6759151074)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepWords Premium (Monthly) | $1.99 | per month |
| SleepWords Premium (Yearly) | $19.99 | per year |


### EYSK Jump Counter

[App page](https://appshunter.io/ios/app/eysk-jump-counter/id6809053992)

This app accurately counts your jump rope reps using personalized calibration. Track progress, set goals, and compete globally with real-time stats on your watch. Share achievements and earn badges.

**Highlights:** Personalized jump calibration, Real-time wrist stats, Customizable daily goals, Detailed progress charts, Session history and calendar view, Shareable achievement cards, Apple Health integration, Global leaderboards and challenges

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 認知シャッフル睡眠法 free?

認知シャッフル睡眠法 is free to download, with in-app purchases available.

### Is EYSK Jump Counter free?

EYSK Jump Counter is free to download, with no in-app purchases.

### Do 認知シャッフル睡眠法 or EYSK Jump Counter have ads?

Neither 認知シャッフル睡眠法 nor EYSK Jump Counter shows ads.

### Which is updated more often, 認知シャッフル睡眠法 or EYSK Jump Counter?

認知シャッフル睡眠法 ships an update every 6 weeks, and EYSK Jump Counter every 2 days. Most recently, 認知シャッフル睡眠法 was updated on November 5, 2026 and EYSK Jump Counter on October 31, 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.*