Fronius Solar.SOS vs ESY Setup
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
Read full descriptionHide 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.)
ESY Setup
Read full descriptionHide full description
This app is a free platform. Once you have the Esysunhome system, you can monitor and optimize your energy use 24/7. It provides you with a comprehensive view of the energy ecosystem. You can view the direction of energy flow and know whether the energy currently used is from photovoltaic, power grid or battery. You can view the real-time power of PV, HM6 system, power grid and battery anytime and anywhere. View the load power consumption and revenue, and set the distribution of electricity price for one day. We provide a variety of operation modes for you to choose from, and optimize the use of energy and save money by setting your electricity preferences.
Screenshots
Verdict
The clearest difference is update cadence: ESY Setup at every 10 days against Fronius Solar.SOS's every 3 months. On price, ads, in-app purchases and device support 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, ESY Setup every 10 days. The most recent releases landed on August 19, 2026 and September 20, 2026 respectively.
| Parameter | Fronius Solar.SOS | ESY Setup |
|---|---|---|
| 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 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Fronius International GmbH | ESY Sunhome Co., Ltd |
In-app purchases
Fronius Solar.SOS
No in-app purchases
ESY Setup
No in-app purchases
Questions
Is Fronius Solar.SOS free?
Is ESY Setup free?
Do Fronius Solar.SOS or ESY Setup have ads?
Which is updated more often, Fronius Solar.SOS or ESY Setup?
Other comparisons















