# TWO vs GROHE Watersystems

The clearest difference is update cadence: TWO at every 3 weeks against GROHE Watersystems's every 3 months. TWO also leads on iOS requirement (12.0 vs 14.0). 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.

TWO ships an update every 3 weeks, GROHE Watersystems every 3 months. The most recent releases landed on September 23, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | TWO | GROHE Watersystems |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 7.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 19 MB | 86 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ceadesign SRL](https://appshunter.io/developer/1128467674) | [Grohe AG](https://appshunter.io/developer/567504975) |

## What reviewers say

### TWO

[App page](https://appshunter.io/ios/app/two/id1128467675)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is TWO free?

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

### Is GROHE Watersystems free?

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

### Do TWO or GROHE Watersystems have ads?

Neither TWO nor GROHE Watersystems shows ads.

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

TWO ships an update every 3 weeks, and GROHE Watersystems every 3 months. Most recently, TWO was updated on September 23, 2026 and GROHE Watersystems on June 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.*