# 音でわかる！腹筋カウンター vs WorkoutTimer

The clearest difference is update cadence: 音でわかる！腹筋カウンター at every 4 days against WorkoutTimer's fortnightly. WorkoutTimer's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 音でわかる！腹筋カウンター sells 1 one-off in-app purchase and WorkoutTimer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

音でわかる！腹筋カウンター ships an update every 4 days, WorkoutTimer fortnightly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 音でわかる！腹筋カウンター | WorkoutTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 6 MB | 7 MB |
| Requires iOS | 18.2 | **17.2** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yousuke Ota](https://appshunter.io/developer/1895337148) | [satoshi oki](https://appshunter.io/developer/6780381485) |

## What reviewers say

### 音でわかる！腹筋カウンター

[App page](https://appshunter.io/ios/app/id6763486984)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム解放 | $0.49 | one-time |


### WorkoutTimer

[App page](https://appshunter.io/ios/app/workouttimer-hiit/id6780381483)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料特典 | $2.99 | one-time |


## Frequently asked questions

### Is 音でわかる！腹筋カウンター free?

音でわかる！腹筋カウンター is free to download, with in-app purchases available.

### Is WorkoutTimer free?

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

### Do 音でわかる！腹筋カウンター or WorkoutTimer have ads?

Neither 音でわかる！腹筋カウンター nor WorkoutTimer shows ads.

### Which is updated more often, 音でわかる！腹筋カウンター or WorkoutTimer?

音でわかる！腹筋カウンター ships an update every 4 days, and WorkoutTimer fortnightly. Most recently, 音でわかる！腹筋カウンター was updated on October 7, 2026 and WorkoutTimer on October 2, 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.*