# Fronius Solar.SOS vs Wallbox Installation App

The clearest difference is rating: Fronius Solar.SOS at 1.5 against Wallbox Installation App's 1.0. On price, ratings volume, update cadence and ads there is nothing between them.

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

Fronius Solar.SOS holds the better App Store score, 1.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Fronius Solar.SOS ships an update every 3 months, Wallbox Installation App every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Fronius Solar.SOS | Wallbox Installation App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/fronius-solarsos/id1516602936/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/wallbox-installation-app/id6451011802/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 15 MB | 44 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fronius International GmbH](https://appshunter.io/developer/431601279) | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) |

## What reviewers say

### Fronius Solar.SOS

[App page](https://appshunter.io/ios/app/fronius-solarsos/id1516602936)

This business tool helps installers quickly resolve technical issues with solar systems. It allows for easy ordering of replacement parts and provides access to important documentation. The app streamlines the service process directly at the installation site.

**Highlights:** Manage multiple accounts, Order replacement parts, Track order status, Messaging with support, Access installation guides, Troubleshoot technical issues

**In-app purchases:** none


### Wallbox Installation App

[App page](https://appshunter.io/ios/app/wallbox-installation-app/id6451011802)

This utility app guides users through the installation and configuration of Wallbox devices. It allows for system settings, grid connection setup, smart meter configuration, and backend adjustments. Users can also download diagnostic data, update firmware, and access troubleshooting information.

**Highlights:** Installation wizard, System settings, Grid connection configuration, Smart meter setup, Backend configuration, Diagnostic data download, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fronius Solar.SOS free?

Fronius Solar.SOS is free to download, with no in-app purchases.

### Is Wallbox Installation App free?

Wallbox Installation App is free to download, with no in-app purchases.

### Which has better reviews, Fronius Solar.SOS or Wallbox Installation App?

Fronius Solar.SOS is rated higher. Fronius Solar.SOS averages 1.5 out of 5 from 2 ratings, while Wallbox Installation App averages 1.0 from 1 ratings.

### Do Fronius Solar.SOS or Wallbox Installation App have ads?

Neither Fronius Solar.SOS nor Wallbox Installation App shows ads.

### Which is updated more often, Fronius Solar.SOS or Wallbox Installation App?

Fronius Solar.SOS ships an update every 3 months, and Wallbox Installation App every 2 months. Most recently, Fronius Solar.SOS was updated on November 3, 2026 and Wallbox Installation App on October 30, 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.*