Energy Viewer vs Fronius Solar.start
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Energy Viewer
Monitor your solar power system's output and home's energy consumption remotely. Track energy flows, manage your e-Car charging, and receive in-app notifications for plant status and updates.
- Remote solar system monitoring
- Home energy consumption tracking
- E-Car charging management
- In-app notifications
- Firmware updates
- PV plant performance monitoring
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Energy Viewer allows solar power plant owners to remotely monitor system's output and home's consumption*, with or without an energy storage system installed, for all FIMER inverter(s). Keep your energy usage and savings in check from anywhere you want: - Dynamically adaptable to any plant configuration; - Synoptic card for monitoring energy flows and performance of your PV plants;* - Energy monitoring card(s) for home's consumption tracking, with dedicated dashboards and KPIs;* - Compatible with FIMER FLEXA AC Wallbox: configure and manage your e-Car, remotely monitor charging process and trends; - Plant status in-App notifications, for monitoring active and closed events, and remote firmware updates; - Compatible with VSN 700-05 data-logger. Enhance your autonomy thanks to a smart and easy-to-use app, free for life, leveraging the power of the Aurora Vision® cloud-based platform. *Available only with a supported bi-directional meter installed (For more info please visit: https://www.fimer.com/sites/default/files/FIMER__Meters%20supported%20by%20FIMER_EN_Rev.B.pdf)
Fronius Solar.start
This app simplifies the setup of Fronius inverters and related devices through a guided, step-by-step process. It allows for quick commissioning, firmware updates, and integration with the Fronius Solar.web monitoring platform directly from a mobile device.
- QR-code scanning for device setup
- Step-by-step commissioning guide
- Inverter firmware updates
- Network and product configuration
- Integration with Fronius Solar.web
- Quick access to web interface
- How-to videos
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The Fronius Solar.start app helps the installer to quickly and easily set up our Fronius devices, i.e. GEN24, Verto and Tauro inverters, Smart Meter IP, Reserva, Reserva Pro or Ohmpilot by a simple QR-code scan. The device can be commissioned directly from your phone or tablet by following the step-by-step guide. Set up your Fronius inverter in just a few minutes: - Inverter firmware update of GEN24, Verto and Tauro for initial commissionings - Quick and easy commissioning in just three steps 1) Network settings 2) Product configuration 3) Integration into the Fronius Solar.web monitoring platform - Quick access to the web interface for additional settings and functions - Quick action function "Scan to connect" for a faster connection to the device - Full warranty coverage when you register the inverter on Fronius Solar.web - Useful step by step installation and setup videos for Fronius products - Useful manuals for installation, operation and maintenance about Fronius products - Link to useful platforms such as Fronius Solar.web and Fronius Solar.SOS
Screenshots
Verdict
The clearest difference is rating: Fronius Solar.start at 3.0 against Energy Viewer's 2.3. Energy Viewer's advantage is review sentiment (40% vs 22%) and iOS requirement (11.0 vs 16.0). On price, ratings volume, update cadence and ads 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.start holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews complicate that: 40% of Energy Viewer's written reviews are positive against 22% of Fronius Solar.start's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 10, 2026 and September 25, 2026 respectively.
| Parameter | Energy Viewer | Fronius Solar.start |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 3.0 (5 ratings) — better |
| Positive reviews | 40.3% of reviews — better | 21.8% of reviews |
| Number of ratings | 3 | 5 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 45 MB | 202 MB |
| Age rating | 4+ | 17+ |
| Developer | Fimer Spa | Fronius International GmbH |
Customer experience
Energy Viewer
Fronius Solar.start
In-app purchases
Energy Viewer
No in-app purchases
Fronius Solar.start
No in-app purchases
Questions
Is Energy Viewer free?
Is Fronius Solar.start free?
Which has better reviews, Energy Viewer or Fronius Solar.start?
Do Energy Viewer or Fronius Solar.start have ads?
Which is updated more often, Energy Viewer or Fronius Solar.start?
Other comparisons
