# Water Keeper vs HourHack

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.

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 November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Water Keeper | HourHack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/water-keeper-water-recorder/id6444431856/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/hourhack/id6503925079/reviews)** |
| Number of ratings | 2 | **10** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 18 MB | 21 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Surging River Technology Co., Ltd.](https://appshunter.io/developer/1619505409) | [Rosenbergs LLC](https://appshunter.io/developer/1716179267) |

## What reviewers say

### Water Keeper

[App page](https://appshunter.io/ios/app/water-keeper-water-recorder/id6444431856)

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.

**Highlights:** Set daily water drinking goals, Daily water drinking reminders, View daily goal completion, Water drinking records, Daily transaction records

**Features:** macOS Compatibility

**In-app purchases:** none


### HourHack

[App page](https://appshunter.io/ios/app/hourhack/id6503925079)

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.

**Highlights:** Calculate time differences, Calculate date differences, Instant results, Clear interface, Time unit conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Water Keeper free?

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

### Is HourHack free?

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

### Which has better reviews, Water Keeper or HourHack?

HourHack is rated higher. Water Keeper averages 2.0 out of 5 from 2 ratings, while HourHack averages 5.0 from 10 ratings.

### Do Water Keeper or HourHack have ads?

Neither Water Keeper nor HourHack shows ads.

### Which is updated more often, Water Keeper or HourHack?

Water Keeper ships an update every 2 days, and HourHack fortnightly. Most recently, Water Keeper was updated on November 3, 2026 and HourHack on October 30, 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.*