# Hydra Drink Tracker vs Lutra

Hydra Drink Tracker and Lutra are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Hydra Drink Tracker sells 2 in-app purchases, starting at $9.99 per year and Lutra sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Hydra Drink Tracker | Lutra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 55 MB | 27 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Diana Plantic Tadic](https://appshunter.io/developer/1887419753) | [Bastien Ballestra](https://appshunter.io/developer/6804197524) |

## What reviewers say

### Hydra Drink Tracker

[App page](https://appshunter.io/ios/app/hydra-drink-tracker/id6784717246)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydra Yearly | $9.99 | per year |
| Hydra Premium Lifetime | $19.99 | one-time |


### Lutra

[App page](https://appshunter.io/ios/app/lutra-water-tracker/id6804197522)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lutra Pro Monthly | $1.99 | per month |
| Lutra Pro Yearly | $9.99 | per year |
| Lutra Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Hydra Drink Tracker free?

Hydra Drink Tracker is free to download, with in-app purchases available.

### Is Lutra free?

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

### Do Hydra Drink Tracker or Lutra have ads?

Neither Hydra Drink Tracker nor Lutra 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.*