Fronius Solar.SOS vs Metrel Cloud App
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.)
Metrel Cloud App
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Metrel Cloud App offers a seamless experience, effortlessly connecting Metrel instruments to mobile device over Bluetooth or Wi-Fi network. The app acts as a interface between Metrel instrument and Metrel Cloud Storage. Whether you’re in the office, on a job site, or on the move, you can transfer data effortlessly—no need to be tied down to a specific location. With Metrel Cloud App you can browse and manipulate files online on Metrel Cloud Storage, locally on mobile device and also on Metrel Instruments.
Screenshots
Verdict
The clearest difference is update cadence: Metrel Cloud App at monthly 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, Metrel Cloud App monthly. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.
| Parameter | Fronius Solar.SOS | Metrel Cloud App |
|---|---|---|
| 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 | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Fronius International GmbH | Metrel d.d. |
In-app purchases
Fronius Solar.SOS
No in-app purchases
Metrel Cloud App
No in-app purchases
Questions
Is Fronius Solar.SOS free?
Is Metrel Cloud App free?
Do Fronius Solar.SOS or Metrel Cloud App have ads?
Which is updated more often, Fronius Solar.SOS or Metrel Cloud App?
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