# Hydrate vs Aqua

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

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

## The numbers

| Metric | Hydrate | Aqua |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 22 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ALEXANDER DAVID GRUINARD MACKENZIE](https://appshunter.io/developer/1886580061) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### 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 |


### Aqua

[App page](https://appshunter.io/ios/app/aqua-water-tracker-and-reminder/id6768306917)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hydrate free?

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

### Is Aqua free?

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

### Do Hydrate or Aqua have ads?

Neither Hydrate nor Aqua shows ads.

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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.*