# Water tracker WaterChamp vs Acnorithm

The clearest difference is device support: Acnorithm at 3 against Water tracker WaterChamp's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Water tracker WaterChamp sells 2 in-app purchases, starting at $3.99 per month and Acnorithm sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Water tracker WaterChamp | Acnorithm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/water-tracker-waterchamp/id6758676130/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 112 MB | 38 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Petr Peller](https://appshunter.io/developer/1874357443) | [Maximilian Franzen](https://appshunter.io/developer/988746049) |

## What reviewers say

### Water tracker WaterChamp

[App page](https://appshunter.io/ios/app/water-tracker-waterchamp/id6758676130)

This app tracks your daily water and caffeine intake, visualizing your hydration levels and caffeine impact throughout the day. It offers personalized reminders and integrates with health apps to adjust goals based on your activity and sleep. Log over 60 different drinks with custom hydration values.

**Highlights:** Hydration and caffeine tracking, Personalized reminders, Customizable drink logging, Health app integration, Daily goal adjustment, Widgets for quick access, Monthly history view

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $3.99 | per month |
| Pro Annual | $19.99 | per year |


### Acnorithm

[App page](https://appshunter.io/ios/app/acnorithm/id6761601574)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acnorithm Wochenabo | $9.99 | per 7 days |
| Acnorithm Jahresabo | $49.99 | per year |


## Frequently asked questions

### Is Water tracker WaterChamp free?

Water tracker WaterChamp is free to download, with in-app purchases available.

### Is Acnorithm free?

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

### Do Water tracker WaterChamp or Acnorithm have ads?

Neither Water tracker WaterChamp nor Acnorithm shows ads.

### Which is updated more often, Water tracker WaterChamp or Acnorithm?

Water tracker WaterChamp ships an update weekly, and Acnorithm weekly. Most recently, Water tracker WaterChamp was updated on October 25, 2026 and Acnorithm on October 25, 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.*