Fronius Solar.SOS vs LGES PV Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fronius Solar.SOS
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.
- Manage multiple accounts
- Order replacement parts
- Track order status
- Messaging with support
- Access installation guides
- Troubleshoot technical issues
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Fronius Solar.SOS is a self-service solution for all technical queries. This is a business application that installers can use to initiate the service process online directly at the system location - quite simply with the serial number of the inverter or a state code. In the space of a few clicks, Solar.SOS supports installers with troubleshooting and ordering replacement parts. The big advantage is that with this app installers can resolve technical problems themselves at any time. Attention - this app is purely a solution for installers (B2B). Features: - Manage multiple accounts, all from a single account - All orders at a glance (case overview) - Rapid ordering of replacement parts - Check the status of orders with ease - Messaging function with technical support (case messages) - Access to all relevant Installation Instructions and Operating Instructions (YouTube, etc.)
LGES PV Master
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The LGES PV Master APP is a configuration tool for the LG Energey Solution battery energy storage inverter products. It can locally configure storage inverter via Wi-Fi direct connection. The LGES PV Master APP helps the installer to complete the installation of an energy storage system.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Fronius Solar.SOS | LGES PV Master |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 129 MB |
| Age rating | 4+ | 4+ |
| Developer | Fronius International GmbH | LG ENERGY SOLUTION, LTD. |
In-app purchases
Fronius Solar.SOS
No in-app purchases
LGES PV Master
No in-app purchases









