# Watertracking vs Hydra

The clearest difference is in-app purchases: Hydra at none against Watertracking's 1. Hydra also leads on iOS requirement (12.0 vs 16.1). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Watertracking | Hydra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 4 MB | 32 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Bittner](https://appshunter.io/developer/1496410885) | [Instalane Internet Private Limited](https://appshunter.io/developer/1739626561) |

## What reviewers say

### Watertracking

[App page](https://appshunter.io/ios/app/watertracking/id6444707226)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


### Hydra

[App page](https://appshunter.io/ios/app/hydra-water-drinking-tracker/id6738758531)

**In-app purchases:** none


## Frequently asked questions

### Is Watertracking free?

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

### Is Hydra free?

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

### Do Watertracking or Hydra have ads?

Neither Watertracking nor Hydra 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.*