# PairMirror vs シンプルな歩数計

The clearest difference is in-app purchases: PairMirror at none against シンプルな歩数計's 1. PairMirror also leads on iOS requirement (9.0 vs 16.0). シンプルな歩数計's advantage is update cadence (every 3 months vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. シンプルな歩数計 sells 1 one-off in-app purchase. PairMirror asks for nothing beyond the download.

PairMirror ships an update every 19 months, シンプルな歩数計 every 3 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PairMirror | シンプルな歩数計 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Size | 7 MB | 2 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Comlinks Co. Ltd.](https://appshunter.io/developer/1668250557) |

## What reviewers say

### PairMirror

[App page](https://appshunter.io/ios/app/pairmirror/id883479654)

**Features:** macOS Compatibility

**In-app purchases:** none


### シンプルな歩数計

[App page](https://appshunter.io/ios/app/id1671732889)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy coffee to developers | $0.99 | one-time |


## Frequently asked questions

### Is PairMirror free?

PairMirror is free to download, with no in-app purchases.

### Is シンプルな歩数計 free?

シンプルな歩数計 is free to download, with in-app purchases available.

### Do PairMirror or シンプルな歩数計 have ads?

Neither PairMirror nor シンプルな歩数計 shows ads.

### Which is updated more often, PairMirror or シンプルな歩数計?

PairMirror ships an update every 19 months, and シンプルな歩数計 every 3 months. Most recently, PairMirror was updated on October 26, 2026 and シンプルな歩数計 on October 25, 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.*