uWater vs JustWater
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uWater
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.
- 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
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One of the critical factors of good health is the proper water balance in the body. uWater helps to control the hydration level to feel healthy and active. The application calculates the daily water rate based on several physical parameters, sleep cycles, and training programs. Also, it serves as a water reminder and pings when you should drink water to maintain body fluid balance. uWater benefits: - The app calculates the daily water intake based on the user's parameters. - It reminds you when it is time to drink according to your drinking water regimen. - uWater addresses how you sleep, calculating the water balance for the day. - It automatically adjusts the daily water intake if a training session is scheduled for that day. - Users can manually adjust the daily water intake. - The app allows you to add favorite portions of water. - Users can input the consumed volume of water through the push-notifications without opening the application. The application has integration with the HealthKit service. We use weight and activity information to calculate and update your daily norm and we use sleep information to schedule push notifications.
JustWater
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.
- Daily water intake tracking
- Custom drink logging
- Home Screen widgets
- Apple Health sync
- Goal completion statistics
- Local hydration reminders
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JustWater is a simple and calm hydration tracker for iPhone. Set a daily hydration goal, quickly log water and other drinks, review your history, use Home Screen widgets, sync your entries with Apple Health, and track how consistently you reach your goal. Features: - Daily water intake tracking - Quick add buttons - Custom drink entries - Drink type selection - Daily goal calculator - History by day, week, month, and year - Goal completion statistics - Home Screen widgets - Apple Health sync - ml and fl oz support - Local hydration reminders - Light, dark, and system appearance modes - English and Russian localization JustWater is designed for general wellness tracking and is not medical advice. Your data stays on your device. JustWater does not require an account and does not use ads, analytics, or tracking.
Screenshots
Verdict
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.
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.
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.
| Parameter | uWater | JustWater |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 38 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | NIX United | Aleksandr Kazanskii |
Customer experience
uWater
JustWater
In-app purchases
uWater
No in-app purchases
JustWater
No in-app purchases









