# 活動量計HR vs シンプル歩数

The clearest difference is in-app purchases: 活動量計HR at none against シンプル歩数's 6. 活動量計HR also leads on iOS requirement (8.0 vs 17.6). シンプル歩数's advantage is update cadence (every 3 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. シンプル歩数 sells 6 in-app purchases, starting at $0.99 per month. 活動量計HR asks for nothing beyond the download.

活動量計HR ships an update monthly, シンプル歩数 every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 活動量計HR | シンプル歩数 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 34 MB | 37 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kashimura Co., Ltd.](https://appshunter.io/developer/1487400380) | [Takahiro Hama](https://appshunter.io/developer/1534557976) |

## What reviewers say

### 活動量計HR

[App page](https://appshunter.io/ios/app/hr/id1487400381)

This app supports daily exercise with heart rate monitoring. It helps maintain motivation by showing step counts and goals at a glance. Data is recorded on the device, allowing for easy transfer and synchronization with your smartphone at home.

**Highlights:** Heart rate monitoring, Step tracking, Goal setting, Data synchronization, HealthKit integration

**In-app purchases:** none


### シンプル歩数

[App page](https://appshunter.io/ios/app/id6771304943)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 歩数月額プラン | $0.99 | per month |
| 月額プラン | $1.99 | per month |
| 歩数年額プラン | $1.99 | per year |
| 年額プラン | $6.99 | per year |
| 広告非表示 | $1.99 | one-time |
| 買い切りプラン | $2.99 | one-time |


## Frequently asked questions

### Is 活動量計HR free?

活動量計HR is free to download, with no in-app purchases.

### Is シンプル歩数 free?

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

### Do 活動量計HR or シンプル歩数 have ads?

Neither 活動量計HR nor シンプル歩数 shows ads.

### Which is updated more often, 活動量計HR or シンプル歩数?

活動量計HR ships an update monthly, and シンプル歩数 every 3 days. Most recently, 活動量計HR was updated on November 3, 2026 and シンプル歩数 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.*