Comparison

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.

Head to head
About

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.

Highlights
  • Manage multiple accounts
  • Order replacement parts
  • Track order status
  • Messaging with support
  • Access installation guides
  • Troubleshoot technical issues
Read full description

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.)

About

LGES PV Master

Read full description

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

Fronius Solar.SOS4 screens
LGES PV Master3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Fronius Solar.SOS versus LGES PV Master: the parameters behind the verdict, then further details
ParameterFronius Solar.SOSLGES PV Master
PriceFreeFree
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.012.0 — better
Further details — not scored
Size15 MB129 MB
Age rating4+4+
DeveloperFronius International GmbHLG ENERGY SOLUTION, LTD.

In-app purchases

None

Fronius Solar.SOS

No in-app purchases

None

LGES PV Master

No in-app purchases

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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