# Gerolsteiner TrinkCheck vs Forge

The clearest difference is update cadence: Forge at daily against Gerolsteiner TrinkCheck's every 2 months. Forge also leads on iOS requirement (15.1 vs 18.0). On price, ads, 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.

Gerolsteiner TrinkCheck ships an update every 2 months, Forge daily. The most recent releases landed on November 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Gerolsteiner TrinkCheck | Forge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/gerolsteiner-trinkcheck/id370892661/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 78 MB | 55 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gerolsteiner Brunnen GmbH & Co. KG](https://appshunter.io/developer/370892664) | [Luis Karsten Hettinger](https://appshunter.io/developer/6773812046) |

## What reviewers say

### Gerolsteiner TrinkCheck

[App page](https://appshunter.io/ios/app/gerolsteiner-trinkcheck/id370892661)

This app helps you determine your daily fluid needs based on personal data and weather. It allows you to track your drinks, set reminders, and participate in fun challenges to stay hydrated. Integration with health platforms is also supported.

**Highlights:** Personalized fluid intake calculation, Drink tracking and logging, Hydration reminders, Health platform integration (Apple Health), Apple Watch support, Customizable drink options, Hydration challenges

**In-app purchases:** none


### Forge

[App page](https://appshunter.io/ios/app/forge-dein-coaching/id6773812044)

**In-app purchases:** none


## Frequently asked questions

### Is Gerolsteiner TrinkCheck free?

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

### Is Forge free?

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

### Do Gerolsteiner TrinkCheck or Forge have ads?

Neither Gerolsteiner TrinkCheck nor Forge shows ads.

### Which is updated more often, Gerolsteiner TrinkCheck or Forge?

Gerolsteiner TrinkCheck ships an update every 2 months, and Forge daily. Most recently, Gerolsteiner TrinkCheck was updated on November 1, 2026 and Forge on October 11, 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.*