活動量計HR vs Water Requirement
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
活動量計HR
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.
- Heart rate monitoring
- Step tracking
- Goal setting
- Data synchronization
- HealthKit integration
Read full descriptionHide full description
毎日の運動をサポートする心拍測定付き活動量計用アプリです。歩数記録や目標が一目で分かるのでモチベーションの継続に役立ちます。本体にデータ記録されるので身軽に外出、自宅でスマホに転送・同期できます。 -iPhoneをお持ちであれば、標準アプリ「ヘルスケア」に同期できます。同期することで見慣れた標準アプリで日々の運動記録を確認することができます。同期するデータは当社をはじめ他の代理店を含む、いかなる第三者にも共有または販売されません。
Water Requirement
Read full descriptionHide full description
This is an app that lets you easily and simply record your hydration. You can obtain the temperature and humidity of your current location and use them as a reference for the amount of hydration you need for that day. Why not start recording your hydration volume today to maintain your health? ・Simple and easy-to-read screen ・No complicated operations ・Records hydration intake up to one month in advance ・Automatically displays weather information for your current location. On hot or dry days, the amount of water lost through sweating increases. Try to drink more water.
Screenshots
Verdict
The clearest difference is ads: 活動量計HR at none against Water Requirement's shown. 活動量計HR also leads on update cadence (monthly vs every 4 months) and iOS requirement (8.0 vs 16.2). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
活動量計HR ships an update monthly, Water Requirement every 4 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | 活動量計HR | Water Requirement |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 34 MB | 17 MB |
| Age rating | 4+ | 12+ |
| Developer | Kashimura Co., Ltd. | Yuta Endo |
In-app purchases
活動量計HR
No in-app purchases
Water Requirement
No in-app purchases









