# uWater vs JustWater

The clearest difference is update cadence: uWater at every 9 days against JustWater's every 3 weeks. uWater also leads on iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for uWater against 5.0 for JustWater. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

uWater ships an update every 9 days, JustWater every 3 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | uWater | JustWater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/uwater/id1507782038/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/justwater-hydration-tracker/id6775974283/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 38 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NIX United](https://appshunter.io/developer/1507782037) | [Aleksandr Kazanskii](https://appshunter.io/developer/6775974285) |

## What reviewers say

### uWater

[App page](https://appshunter.io/ios/app/uwater/id1507782038)

This app helps you maintain optimal hydration by calculating your daily water needs based on your physical parameters, sleep, and training. It provides timely reminders to drink water and allows for manual adjustments and quick logging of consumption.

**Highlights:** Calculates daily water intake based on user parameters, Provides water drinking reminders, Adjusts intake based on sleep cycles, Automatically updates for training sessions, Manual adjustment of daily intake, Quick logging via push notifications, Integrates with HealthKit

**Features:** macOS Compatibility

**In-app purchases:** none


### JustWater

[App page](https://appshunter.io/ios/app/justwater-hydration-tracker/id6775974283)

This app helps you monitor your daily water consumption. Set personal hydration goals, log various drinks quickly, and view your progress over time. It offers home screen widgets and syncs with Apple Health for comprehensive wellness tracking.

**Highlights:** Daily water intake tracking, Custom drink logging, Home Screen widgets, Apple Health sync, Goal completion statistics, Local hydration reminders

**In-app purchases:** none


## Frequently asked questions

### Is uWater free?

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

### Is JustWater free?

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

### Which has better reviews, uWater or JustWater?

uWater and JustWater are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do uWater or JustWater have ads?

Neither uWater nor JustWater shows ads.

### Which is updated more often, uWater or JustWater?

uWater ships an update every 9 days, and JustWater every 3 weeks. Most recently, uWater was updated on October 15, 2026 and JustWater on October 24, 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.*