# GROHE Watersystems vs Lantern Phish

The clearest difference is in-app purchases: GROHE Watersystems at none against Lantern Phish's 2. Lantern Phish's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lantern Phish sells 2 in-app purchases, starting at $12.99 per month. GROHE Watersystems asks for nothing beyond the download.

GROHE Watersystems ships an update every 3 months, Lantern Phish every 3 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | GROHE Watersystems | Lantern Phish |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 7.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 86 MB | 48 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [Grohe AG](https://appshunter.io/developer/567504975) | [Lantern Phish](https://appshunter.io/developer/1807524040) |

## 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

**In-app purchases:** none


### Lantern Phish

[App page](https://appshunter.io/ios/app/lantern-phish/id6744522053)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $12.99 | per month |
| Annual Subscription | $99.99 | per year |


## Frequently asked questions

### Is GROHE Watersystems free?

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

### Is Lantern Phish free?

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

### Do GROHE Watersystems or Lantern Phish have ads?

Neither GROHE Watersystems nor Lantern Phish shows ads.

### Which is updated more often, GROHE Watersystems or Lantern Phish?

GROHE Watersystems ships an update every 3 months, and Lantern Phish every 3 weeks. Most recently, GROHE Watersystems was updated on October 7, 2026 and Lantern Phish 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.*