Water Keeper vs HourHack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Water Keeper
This app helps you track your daily water intake and sends timely reminders to ensure you stay hydrated. It allows you to set personal hydration goals and view your progress over time.
- Set daily water drinking goals
- Daily water drinking reminders
- View daily goal completion
- Water drinking records
- Daily transaction records
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Water is very important to our body, yet people often forget to drink it. Chronic lack of adequate water intake can lead to health problems. Water Keeper is a simple and easy-to-use application that can help you record your drinking water and remind you to drink water on time. Features of Water Keeper - Set your daily water drinking goals - Daily water drinking reminder - View daily goal completion - View your water drinking records - Daily transaction records and reminders Water Keeper will be a good helper for you to drink water healthily!
HourHack
Easily calculate the duration between two specific times or dates. Get instant results in hours, minutes, or days with a clear and intuitive interface. Simplify all your time-related calculations.
- Calculate time differences
- Calculate date differences
- Instant results
- Clear interface
- Time unit conversion
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Need to know how much time has passed or how many days until an event? HourHack makes it simple to calculate the difference between two times or dates. Quickly input any two moments, and get instant results in hours, minutes, or days. Features: Calculate time differences between two times Find the amount of time between dates Clear and easy-to-use interface Simplify your time calculations with HourHack!
Screenshots
Verdict
The clearest difference is review sentiment: HourHack at 100% against Water Keeper's 0%. HourHack also leads on rating (5.0 vs 2.0) and ratings volume (10 vs 2). Water Keeper's advantage is update cadence (every 2 days vs fortnightly). On price, ads, in-app purchases and monetization model 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.
HourHack holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: HourHack has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Water Keeper's written reviews are positive against 100% of HourHack's.
Water Keeper ships an update every 2 days, HourHack fortnightly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Water Keeper | HourHack |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 10 — better |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 18 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Surging River Technology Co., Ltd. | Rosenbergs LLC |
Customer experience
Water Keeper
HourHack
In-app purchases
Water Keeper
No in-app purchases
HourHack
No in-app purchases
