# HydroTrack vs Drinky

The clearest difference is ads: Drinky at none against HydroTrack's shown. Drinky also leads on update cadence (every 4 days vs every 10 days). HydroTrack's advantage is iOS requirement (16.6 vs 26.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HydroTrack ships an update every 10 days, Drinky every 4 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | HydroTrack | Drinky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 5 MB | 12 MB |
| Requires iOS | **16.6** | 26.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Khadija Oulakhtib](https://appshunter.io/developer/1649401945) | [Charly Schulte](https://appshunter.io/developer/1364661802) |

## What reviewers say

### HydroTrack

[App page](https://appshunter.io/ios/app/hydrotrack-hydration-reminder/id6761717231)

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

**In-app purchases:** none


### Drinky

[App page](https://appshunter.io/ios/app/drinky-hydration-tracker/id6788124633)

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroTrack free?

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

### Is Drinky free?

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

### Do HydroTrack or Drinky have ads?

HydroTrack shows ads; Drinky does not.

### Which is updated more often, HydroTrack or Drinky?

HydroTrack ships an update every 10 days, and Drinky every 4 days. Most recently, HydroTrack was updated on October 24, 2026 and Drinky on October 4, 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.*