# 音でわかる！腹筋カウンター vs StepSwitch

The clearest difference is ads: 音でわかる！腹筋カウンター at none against StepSwitch's shown. StepSwitch's advantage is iOS requirement (16.4 vs 18.2). On price, update cadence, in-app purchases and device support 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 StepSwitch sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 音でわかる！腹筋カウンター | StepSwitch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Size | 6 MB | 50 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yousuke Ota](https://appshunter.io/developer/1895337148) | [Yohei Kono](https://appshunter.io/developer/320171706) |

## 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 |


### StepSwitch

[App page](https://appshunter.io/ios/app/stepswitch-step-workout-timer/id6780763462)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | 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 StepSwitch free?

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

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

StepSwitch shows ads; 音でわかる！腹筋カウンター does not.

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

音でわかる！腹筋カウンター ships an update every 4 days, and StepSwitch every 4 days. Most recently, 音でわかる！腹筋カウンター was updated on October 7, 2026 and StepSwitch on September 29, 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.*