# 活動量計HR vs Fastivo

The clearest difference is in-app purchases: 活動量計HR at none against Fastivo's 3. 活動量計HR also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). Fastivo's advantage is update cadence (weekly vs monthly). On price and device support there is nothing between them.

Both are free to download. Fastivo sells 3 in-app purchases, starting at $2.99 per month. 活動量計HR asks for nothing beyond the download.

活動量計HR ships an update monthly, Fastivo weekly. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 活動量計HR | Fastivo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 34 MB | 107 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kashimura Co., Ltd.](https://appshunter.io/developer/1487400380) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## 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


### Fastivo

[App page](https://appshunter.io/ios/app/fastivo-fasting-timer/id6760152626)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - FastWise | $2.99 | per month |
| Annual - FastWise | $14.99 | per year |
| Lifetime | $29.99 | 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 Fastivo free?

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

### Do 活動量計HR or Fastivo have ads?

Fastivo shows ads; 活動量計HR does not.

### Which is updated more often, 活動量計HR or Fastivo?

活動量計HR ships an update monthly, and Fastivo weekly. Most recently, 活動量計HR was updated on September 28, 2026 and Fastivo on September 19, 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.*