# GROHE Watersystems vs Kairosophe

The clearest difference is price: GROHE Watersystems at Free against Kairosophe's $0.99. GROHE Watersystems also leads on iOS requirement (14.0 vs 16.0). Kairosophe's advantage is update cadence (every 4 weeks vs every 4 months) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

GROHE Watersystems is free to download; Kairosophe costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GROHE Watersystems ships an update every 4 months, Kairosophe every 4 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | GROHE Watersystems | Kairosophe |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 7.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 86 MB | 16 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Grohe AG](https://appshunter.io/developer/567504975) | [THOMAS MAURICE LEWINER](https://appshunter.io/developer/1896169051) |

## What reviewers say

### GROHE Watersystems

[App page](https://appshunter.io/ios/app/grohe-watersystems/id1502247993)

Manage your GROHE Blue Chilled and Sparkling 2.0 faucet directly from your smartphone. Set personalized water preferences, monitor consumption, and receive timely alerts for filter and CO2 bottle replacements.

**Highlights:** Smartphone faucet control, Personalized water settings, Water consumption monitoring, Filter and CO2 replacement alerts, Automatic data transfer from Ondus App

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Kairosophe

[App page](https://appshunter.io/ios/app/kairosophe/id6780008409)

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

**In-app purchases:** none


## Frequently asked questions

### Is GROHE Watersystems free?

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

### Is Kairosophe free?

Kairosophe costs $0.99, with no in-app purchases.

### Do GROHE Watersystems or Kairosophe have ads?

Neither GROHE Watersystems nor Kairosophe shows ads.

### Which is updated more often, GROHE Watersystems or Kairosophe?

GROHE Watersystems ships an update every 4 months, and Kairosophe every 4 weeks. Most recently, GROHE Watersystems was updated on October 24, 2026 and Kairosophe on October 8, 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.*