# Thirrrsty vs ReHydration

The clearest difference is review sentiment: Thirrrsty at 60% against ReHydration's 0%. ReHydration's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thirrrsty sells 1 one-off in-app purchase. ReHydration asks for nothing beyond the download.

Thirrrsty ships an update every 3 months, ReHydration every 5 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Thirrrsty | ReHydration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (87 ratings)](https://appshunter.io/ios/app/thirrrsty/id1080031514/reviews)** | — |
| Number of ratings | **87** | — |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 63 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Aljebouri](https://appshunter.io/developer/583663300) | [Hardik Shah](https://appshunter.io/developer/1134931242) |

## What reviewers say

### Thirrrsty

[App page](https://appshunter.io/ios/app/thirrrsty/id1080031514)

This app offers a simple and visually appealing method to monitor your daily water consumption. It allows for convenient logging, goal setting, and integrates with your phone's health data. Receive timely reminders and access quick logging options via widgets or voice commands.

**Highlights:** Set and track hydration goals, Schedule water intake reminders, Log water via notifications, Home Screen widget for quick access, Siri integration for voice logging, Health app synchronization, Watch app for wrist tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer Tip | $1.99 | one-time |


### ReHydration

[App page](https://appshunter.io/ios/app/rehydration/id1300474093)

This application helps you build a consistent water drinking habit. It sends reminders, tracks your daily intake, and calculates personalized hydration goals based on your body weight, age, and lifestyle. Monitor your progress with historical data and share your achievements with friends.

**Highlights:** Personalized hydration goals, Daily reminders and alerts, Water intake logging, Intake history and graph view, Customizable notification frequency, Share daily intake with friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thirrrsty free?

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

### Is ReHydration free?

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

### Do Thirrrsty or ReHydration have ads?

Neither Thirrrsty nor ReHydration shows ads.

### Which is updated more often, Thirrrsty or ReHydration?

Thirrrsty ships an update every 3 months, and ReHydration every 5 months. Most recently, Thirrrsty was updated on October 15, 2026 and ReHydration on October 13, 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.*