# Fronius Solar.SOS vs LGES PV Master

The clearest difference is iOS requirement: LGES PV Master at 12.0 against Fronius Solar.SOS'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.

Fronius Solar.SOS ships an update every 3 months, LGES PV Master every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Fronius Solar.SOS | LGES PV Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/fronius-solarsos/id1516602936/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 15 MB | 129 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fronius International GmbH](https://appshunter.io/developer/431601279) | [LG ENERGY SOLUTION, LTD.](https://appshunter.io/developer/1583138049) |

## 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


### LGES PV Master

[App page](https://appshunter.io/ios/app/lges-pv-master/id1583913413)

**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 LGES PV Master free?

LGES PV Master is free to download, with no in-app purchases.

### Do Fronius Solar.SOS or LGES PV Master have ads?

Neither Fronius Solar.SOS nor LGES PV Master shows ads.

### Which is updated more often, Fronius Solar.SOS or LGES PV Master?

Fronius Solar.SOS ships an update every 3 months, and LGES PV Master every 2 months. Most recently, Fronius Solar.SOS was updated on November 3, 2026 and LGES PV Master on November 7, 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.*