Fronius Solar.SOS vs HiSolar
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.)
HiSolar
Monitor and control your green energy devices locally. View device status, adjust settings, check alarms, and export logs. Update firmware directly from your mobile phone.
- Local device login
- Monitor running status
- Set parameters
- View alarms
- Export logs
- Update firmware
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The HiSolar app allows you to locally log in to a device. You can use a mobile phone to monitor the device running status, set parameters, view alarms, export logs, and update the firmware.
Screenshots
Verdict
The clearest difference is review sentiment: HiSolar at 50% against Fronius Solar.SOS's 0%. HiSolar also leads on update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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, HiSolar monthly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | Fronius Solar.SOS | HiSolar |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 257 MB |
| Age rating | 4+ | 4+ |
| Developer | Fronius International GmbH | 深圳市泽联格迈科技有限公司 |
Customer experience
Fronius Solar.SOS
HiSolar
In-app purchases
Fronius Solar.SOS
No in-app purchases
HiSolar
No in-app purchases
