# Schallwerk vs HydroCity

The clearest difference is in-app purchases: HydroCity at none against Schallwerk's 2. Schallwerk's advantage is iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Schallwerk sells 2 in-app purchases, starting at $3.99 per month. HydroCity asks for nothing beyond the download.

## The numbers

| Metric | Schallwerk | HydroCity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hydrocity/id6760506498/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | — | Free |
| Size | 16 MB | 2 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Protavis GmbH](https://appshunter.io/developer/1476062592) | [Tenzing Bhutia](https://appshunter.io/developer/1884744508) |

## What reviewers say

### Schallwerk

[App page](https://appshunter.io/ios/app/schallwerk/id6745633566)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schallwerk Pro Monthly | $3.99 | per month |
| Schallwerk Pro Yearly | $44.99 | per year |


### HydroCity

[App page](https://appshunter.io/ios/app/hydrocity/id6760506498)

This app provides real-time information on NYC water infrastructure issues, including flooding and leaks. Users can report problems, view incident history for any neighborhood, and stay informed about their community's water systems.

**Highlights:** Real-time water incident mapping, Report new water issues, Attach photo evidence to reports, Confirm neighbor reports, View neighborhood water incident history, Interactive city map

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Schallwerk free?

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

### Is HydroCity free?

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

### Do Schallwerk or HydroCity have ads?

Neither Schallwerk nor HydroCity shows ads.

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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.*