# WaterIntake vs Smart 5min｜ 宅トレ

The clearest difference is price: Smart 5min｜ 宅トレ at Free against WaterIntake's $2.99. Smart 5min｜ 宅トレ also leads on update cadence (every 2 weeks vs every 4 months) and iOS requirement (15.5 vs 27.0). On ads, in-app purchases and device support there is nothing between them.

Smart 5min｜ 宅トレ is free to download; WaterIntake costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WaterIntake ships an update every 4 months, Smart 5min｜ 宅トレ every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | WaterIntake | Smart 5min｜ 宅トレ |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/smart-5min/id6463596209/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 22 MB | 247 MB |
| Requires iOS | 27.0 | **15.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiko Shimizu](https://appshunter.io/developer/436129129) | [issin Inc.](https://appshunter.io/developer/1581306863) |

## What reviewers say

### WaterIntake

[App page](https://appshunter.io/ios/app/waterintake/id1559418466)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Smart 5min｜ 宅トレ

[App page](https://appshunter.io/ios/app/smart-5min/id6463596209)

This app offers quick, 5-minute home workouts requiring no special equipment. It uses your device's camera for personalized AI-driven exercises based on heart rate, with privacy options to keep the camera off.

**Highlights:** 5-minute home workouts, No special equipment needed, Camera-off privacy option, AI personalized exercise suggestions, Heart rate measurement, Mental and physical training

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

**In-app purchases:** none


## Frequently asked questions

### Is WaterIntake free?

WaterIntake costs $2.99, with no in-app purchases.

### Is Smart 5min｜ 宅トレ free?

Smart 5min｜ 宅トレ is free to download, with no in-app purchases.

### Do WaterIntake or Smart 5min｜ 宅トレ have ads?

Neither WaterIntake nor Smart 5min｜ 宅トレ shows ads.

### Which is updated more often, WaterIntake or Smart 5min｜ 宅トレ?

WaterIntake ships an update every 4 months, and Smart 5min｜ 宅トレ every 2 weeks. Most recently, WaterIntake was updated on November 3, 2026 and Smart 5min｜ 宅トレ on November 3, 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.*