# Hydration vs Watimer

The clearest difference is price: Watimer at Free against Hydration's $0.99. Watimer also leads on iOS requirement (13.0 vs 17.0). Hydration's advantage is in-app purchases (none vs 2) and ads (none vs shown). On rating, ratings volume and device support there is nothing between them.

Watimer is free to download; Hydration costs $0.99 up front. Watimer sells 2 in-app purchases, starting at $4.99 per month. Hydration asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Hydration against 5.0 for Watimer. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Hydration ships an update monthly, Watimer every 13 months. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Hydration | Watimer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/hydration-water-tracker/id6468482670/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/watimer-hydration-reminder/id6741464170/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 7 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jordi Heesakkers](https://appshunter.io/developer/1709955530) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Hydration

[App page](https://appshunter.io/ios/app/hydration-water-tracker/id6468482670)

Easily track your daily water intake and reach your hydration goals. Receive friendly reminders to drink water and view your 7-day hydration history, all from your wrist. Integrates with Apple Health for seamless data storage.

**Highlights:** Log drinks, Daily goal tracking, Drink reminders, 7-day history, Apple Health integration, Apple Watch support

**Features:** Apple Watch app

**In-app purchases:** none


### Watimer

[App page](https://appshunter.io/ios/app/watimer-hydration-reminder/id6741464170)

This app helps you maintain a healthy lifestyle by providing timely reminders to drink water. Easily log your intake and manage hydration goals to improve concentration, reduce fatigue, and boost metabolism. Make tracking your daily water consumption a simple habit.

**Highlights:** Timely hydration reminders, Easy water intake logging, Hydration goal management, Health benefit tracking, Habit formation support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is Hydration free?

Hydration costs $0.99, with no in-app purchases.

### Is Watimer free?

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

### Which has better reviews, Hydration or Watimer?

Hydration and Watimer are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Hydration or Watimer have ads?

Watimer shows ads; Hydration does not.

### Which is updated more often, Hydration or Watimer?

Hydration ships an update monthly, and Watimer every 13 months. Most recently, Hydration was updated on September 14, 2026 and Watimer on September 20, 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.*