# 転倒予防体操 vs みずたま

The clearest difference is update cadence: みずたま at every 4 days against 転倒予防体操's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

転倒予防体操 ships an update fortnightly, みずたま every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | 転倒予防体操 | みずたま |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Free |
| Size | 6 MB | 64 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [Hayato Tsuchikawa](https://appshunter.io/developer/1863967283) |

## What reviewers say

### 転倒予防体操

[App page](https://appshunter.io/ios/app/id6760806520)

**Features:** macOS Compatibility

**In-app purchases:** none


### みずたま

[App page](https://appshunter.io/ios/app/id6765880982)

This app helps you stay hydrated by tracking your water intake with a cute, interactive companion. It gamifies the process with a character that reacts to your progress, making hydration fun and motivating. Enjoy a visually pleasing and minimalist experience focused solely on water consumption.

**Highlights:** Interactive character that reacts to hydration progress, Customizable reminders, Home screen widgets, Daily, weekly, and monthly statistics, Streak tracking, Preset drink registration, Data privacy focused

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

**In-app purchases:** none


## Frequently asked questions

### Is 転倒予防体操 free?

転倒予防体操 is free to download, with no in-app purchases.

### Is みずたま free?

みずたま is free to download, with no in-app purchases.

### Do 転倒予防体操 or みずたま have ads?

Neither 転倒予防体操 nor みずたま shows ads.

### Which is updated more often, 転倒予防体操 or みずたま?

転倒予防体操 ships an update fortnightly, and みずたま every 4 days. Most recently, 転倒予防体操 was updated on October 28, 2026 and みずたま on October 28, 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.*