# Simple Hydration vs ReWater

The clearest difference is update cadence: Simple Hydration at daily against ReWater's every 8 months. Simple Hydration also leads on iOS requirement (17.2 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Simple Hydration ships an update daily, ReWater every 8 months. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Simple Hydration | ReWater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/simple-hydration/id6483938677/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 months |
| Monetization | Free | — |
| Size | 1 MB | 39 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Max Linsky](https://appshunter.io/developer/1740416861) | [Elhassnaoui Yassine](https://appshunter.io/developer/1756008976) |

## What reviewers say

### Simple Hydration

[App page](https://appshunter.io/ios/app/simple-hydration/id6483938677)

Easily monitor your daily water intake with a straightforward and customizable goal-setting system. This app offers a clean interface for tracking your hydration progress over time without unnecessary complexity.

**Highlights:** Progress tracking over time, Customizable hydration goals, Simple navigation, Clean interface

**Features:** macOS Compatibility

**In-app purchases:** none


### ReWater

[App page](https://appshunter.io/ios/app/rewater-water-tracker/id6523413531)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simple Hydration free?

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

### Is ReWater free?

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

### Do Simple Hydration or ReWater have ads?

Neither Simple Hydration nor ReWater shows ads.

### Which is updated more often, Simple Hydration or ReWater?

Simple Hydration ships an update daily, and ReWater every 8 months. Most recently, Simple Hydration was updated on November 4, 2026 and ReWater on November 8, 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.*