Fronius Solar.web vs KACO NX Setup
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fronius Solar.web
Monitor your photovoltaic system's performance with live data, historical energy trends, and expected generation. Manage batteries, analyze earnings, and view system components. Widgets provide quick access to key information.
- Live PV system data display
- Historical energy data analysis
- Expected generation forecasting
- Battery management features
- Earnings evaluation
- System component viewing
- Home and lock screen widgets
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With the Fronius Solar.web App you have many useful features: - Useful display of live data of your PV system - Historical energy data in form of various time intervals - Expected generation data of your PV system* - Extended weather data* - Battery management with the Battery control and Energy Cost Assistant feature* - Adjust your device settings (i.e. Battery max. SoC)** - Evaluation and analysis of your earnings - Viewing the components of your PV system - Useful Widgets for your Lock- and Home Screen * Depends on your PV system configuration (Devices i.e. Smart Meter, Battery, ...) and Solar.web Premium subscription (Chargeable subscription). ** Fronius GEN24, Verto or Tauro needed. Minimal required firmware version 1.40.8-1 or higher
KACO NX Setup
Configure and energize new inverters quickly and comfortably. This app guides you step-by-step through the commissioning process, allowing you to easily set parameters and update inverter software. Feed power into the grid in minutes.
- Step-by-step commissioning
- Wi-Fi inverter connection
- Parameter configuration
- Inverter software updates
- Grid feed-in
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The NX Setup app from KACO new energy allows you to configure and energize your new blueplanet NX1 or blueplanet NX3 inverter quickly and comfortably. • Step by step commissioning process • Establish a connection between your inverter and the NX Setup App via Wi-Fi • Configure your inverter or change the parameters with ease • Update the inverter software • Feed-in to the grid in a matter of minutes
Screenshots
Verdict
The clearest difference is monetization model: KACO NX Setup at free against Fronius Solar.web's free with in-app purchases. KACO NX Setup also leads on iOS requirement (12.1 vs 16.0). Fronius Solar.web's advantage is review sentiment (19% vs 0%) and update cadence (every 3 weeks vs every 2 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.web ships an update every 3 weeks, KACO NX Setup every 2 months. Both last shipped on November 3, 2026.
| Parameter | Fronius Solar.web | KACO NX Setup |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (7 ratings) — better | — |
| Positive reviews | 18.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 168 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | Fronius International GmbH | KACO new energy GmbH |
Customer experience
Fronius Solar.web
KACO NX Setup
Bugs and requests
Fronius Solar.web
Reported bugs
3 issues- Daily production graph not functioning properly
- Inability to log in or add new installations
- Discrepancies between app and web portal data
Requested features
4 requests- Customizable notifications and alerts
- Integration with smart home platforms
- Improved data visualization and export options
- Apple Watch app for at-a-glance monitoring
KACO NX Setup
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fronius Solar.web
No in-app purchases
KACO NX Setup
No in-app purchases
