# WCS vs RHC

The clearest difference is iOS requirement: WCS at 11.0 against RHC's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WCS ships an update every 3 weeks, RHC every 5 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WCS | RHC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 19 MB | 147 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Florian Vels](https://appshunter.io/developer/1398124957) | [Goldschmitt techmobil GmbH](https://appshunter.io/developer/1554824441) |

## What reviewers say

### WCS

[App page](https://appshunter.io/ios/app/wcs-mobile-technik/id1398124958)

Manage and monitor your solar power system directly from your smartphone. View real-time data for solar panels, batteries, and loads, and adjust controller settings. Track daily system performance and control load terminals remotely.

**Highlights:** Monitor solar panel voltage, current, and watts, Monitor battery voltage, temperature, and charging amperage, Control controller's load terminal on/off, Monitor load voltage, current, and wattage, Adjust charge controller charging parameters, Set timer on load terminals, Record daily system data

**Features:** macOS Compatibility

**In-app purchases:** none


### RHC

[App page](https://appshunter.io/ios/app/rhc-luftfeder/id6444010327)

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

**In-app purchases:** none


## Frequently asked questions

### Is WCS free?

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

### Is RHC free?

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

### Do WCS or RHC have ads?

Neither WCS nor RHC shows ads.

### Which is updated more often, WCS or RHC?

WCS ships an update every 3 weeks, and RHC every 5 weeks. Most recently, WCS was updated on October 4, 2026 and RHC on October 14, 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.*