# ReminDrink vs Hydrate

The clearest difference is in-app purchases: ReminDrink at none against Hydrate's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hydrate sells 3 in-app purchases, starting at $3.99 per month. ReminDrink asks for nothing beyond the download.

ReminDrink ships an update every 4 days, Hydrate every 6 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ReminDrink | Hydrate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/remindrink-water-tracker/id6749870895/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Free | — |
| Size | 75 MB | 22 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Kerem BOYLU](https://appshunter.io/developer/1829506533) | [ALEXANDER DAVID GRUINARD MACKENZIE](https://appshunter.io/developer/1886580061) |

## What reviewers say

### ReminDrink

[App page](https://appshunter.io/ios/app/remindrink-water-tracker/id6749870895)

This app helps you establish a personalized daily hydration routine. It offers customizable goals, quick logging options, and insightful progress tracking. Receive adaptive reminders to ensure you meet your water intake targets.

**Highlights:** Personalized hydration goals, Fast and flexible drink logging, Home screen widgets and Apple Watch support, Daily and monthly progress analytics, Adaptive hydration reminders, Optional Apple Health sync

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

**In-app purchases:** none


### Hydrate

[App page](https://appshunter.io/ios/app/hydrate-electrolyte-tracker/id6760869789)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydrate Pro — Monthly | $3.99 | per month |
| Hydrate Pro — Annual | $24.99 | per year |
| Lifetime Pro | $34.99 | one-time |


## Frequently asked questions

### Is ReminDrink free?

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

### Is Hydrate free?

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

### Do ReminDrink or Hydrate have ads?

Neither ReminDrink nor Hydrate shows ads.

### Which is updated more often, ReminDrink or Hydrate?

ReminDrink ships an update every 4 days, and Hydrate every 6 days. Most recently, ReminDrink was updated on October 25, 2026 and Hydrate on October 7, 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.*