# Water Tracker vs Motor Function

The clearest difference is review sentiment: Motor Function at 100% against Water Tracker's 0%. Motor Function also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 3). Water Tracker's advantage is ratings volume (7 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Water Tracker sells 3 in-app purchases, starting at $1.99 per month. Motor Function asks for nothing beyond the download.

Motor Function holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Water Tracker has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Water Tracker's written reviews are positive against 100% of Motor Function's.

Water Tracker ships an update fortnightly, Motor Function weekly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Water Tracker | Motor Function |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/water-tracker-daily-reminder/id6502308195/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/motor-function/id6763461844/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STAGE ARCADE LTD](https://appshunter.io/developer/1757408773) | [WeMake, Corp.](https://appshunter.io/developer/1518362354) |

## What reviewers say

### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-daily-reminder/id6502308195)

This app helps you track your daily water intake with personalized goals based on your weight, activity, and climate. It offers customizable reminders and visual progress tracking, with tips for better hydration. Sync your data across devices and use the companion watch app.

**Highlights:** Personalized daily water intake goals, Customizable drink reminders, Hydration progress visualization, Health and water intake tips, Sync across multiple devices, WatchOS app integration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydra+ monthly | $1.99 | per month |
| Hydra+ yearly | $6.99 | per year |
| Hydra+ | $17.99 | one-time |


### Motor Function

[App page](https://appshunter.io/ios/app/motor-function/id6763461844)

This rehabilitation companion helps MCI patients and seniors track their 12-week recovery journey. It intelligently manages aerobic, strength, balance, and cognitive training with adaptive safety features tailored to individual medical profiles.

**Highlights:** 12-week recovery tracking, Aerobic, strength, balance, cognition training, Intelligent safety features, Smart heart rate zones, Flexible course pausing, Transparent reports, MoCA follow-up tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Tracker free?

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

### Is Motor Function free?

Motor Function is free to download, with no in-app purchases.

### Which has better reviews, Water Tracker or Motor Function?

Motor Function is rated higher. Water Tracker averages 3.9 out of 5 from 7 ratings, while Motor Function averages 5.0 from 1 ratings.

### Do Water Tracker or Motor Function have ads?

Neither Water Tracker nor Motor Function shows ads.

### Which is updated more often, Water Tracker or Motor Function?

Water Tracker ships an update fortnightly, and Motor Function weekly. Most recently, Water Tracker was updated on October 2, 2026 and Motor Function on October 10, 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.*