IAMMETER vs Fronius Solar.web
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IAMMETER
Monitor your home's electricity consumption in real-time. Track energy flow, grid import/export, and solar PV production. Integrate with popular home automation systems.
- Real-time electricity usage tracking
- Monitor energy flow
- Solar PV system production monitoring
- Grid import/export tracking
- Home automation integration
Read full descriptionHide full description
This app is a tool of IAMMETER (https://www.iammeter.com), an online energy monitoring system developed by us. By installing our WiFi energy meter and running this app, you can 1. Track your home electricity usage in real-time. To learn more, please visit https://www.iammeter.com/doc/iammeter/residential_electricity_system.html; 2. Monitor the entire energy flow, the energy imported from/exported to grid and solar PV system production, for you solar PV system. To learn more, please visit https://www.iammeter.com/doc/iammeter/monitor-your-solar-system.html; 3. Integrate with some Home Automation system, such as Home Assistant, openHAB, NodeRED, etc. To learn more, please visit https://www.iammeter.com/doc/iammeter/home_automation.html. To buy our WiFi energy meters, please visit our Aliexpress Store https://devicebit-iot.aliexpress.com. For more details, please visit https://www.iammeter.com Customer Support: Email: support@devicebit.com Mobile: +86 13911890238
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
Read full descriptionHide full description
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
Screenshots
Verdict
The clearest difference is review sentiment: IAMMETER at 100% against Fronius Solar.web's 19%. IAMMETER also leads on monetization model (free vs free with in-app purchases). Fronius Solar.web's advantage is update cadence (every 3 weeks vs every 6 weeks). 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.
IAMMETER ships an update every 6 weeks, Fronius Solar.web every 3 weeks. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.
| Parameter | IAMMETER | Fronius Solar.web |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.1 (7 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 18.8% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 12 MB | 168 MB |
| Age rating | 4+ | 17+ |
| Developer | Beijing Lewei IoT Technologies Co.,Ltd. | Fronius International GmbH |
Customer experience
IAMMETER
Fronius Solar.web
Bugs and requests
IAMMETER
Not enough reviews yet to summarise bugs or 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
In-app purchases
IAMMETER
No in-app purchases
Fronius Solar.web
No in-app purchases
