PV Solar Forecast vs Fronius Solar.start
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PV Solar Forecast
Predict your solar power generation for up to 360 hours and 15 days ahead. This tool helps you save energy and money by planning appliance usage, EV charging, and understanding your system's output. It also provides detailed weather forecasts and data export options.
- 360-hour solar production forecast
- 15-day daily solar production forecast
- 12-month monthly generation forecasts
- CSV data export
- Current power estimation
- Global location forecasting
- Hourly weather forecast
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PV Solar Forecast for 360 hours and 15 days ahead with CSV data export feature Predict the solar production for the future 360 hours and save energy and money. Suitable for rooftop PV solar systems or any type of solar photovoltaic power plant. If you have installed a PV System on your roof or any other location, this is the right tool for you to predict your electricity generation, hour-by-hour for the next 360 hours, and daily for the next 15 days. With the latest feature, now you can estimate your monthly electricity generation for 12 months. Export data as CSV format. Start forecasting your PV solar generation, save money and reduce your utility bills. Plan your appliances at home in advance. Schedule the best time for charging of your Electrical Vehicle (EV). Predict your solar energy and earnings of your PV Solar Plant. App features - Current power estimation for your PV System - Hourly solar production forecast for the next 360 hours - Daily solar production forecast for the next 15 days - Export data as CSV format and elaborate it further - Monthly generation forecasts for 12 months - Annual generation forecasts - 4 PV sections for PV System configuration - Estimated hourly and daily earnings - Estimated avoided CO2 emissions on a daily basis - Global locations. You can predict production in any place you like: ex. PV System on your roof in Barcelona, PV plant in San Francisco. - Current weather for your location - Hourly weather forecast for the next 360 hours - Hourly precipitation probabilities - Daily weather forecast for the next 15 days - Daily precipitation probabilities Additional details - Optimal tilt angle for the current day - Sunlight duration - Air temperature - Minimum and maximum daily air temperatures - Air pressure - Wind speed & wind direction - Humidity - Dew point - UV index - Precipitation probability - Sunrise time - Sunset time - Moon phases - Visibility distance Benefits of the User - Early planning of production quantities - Reduction of schedule deviations - Assistant for electricity trading on the Market - Scheduling for charging Electrical Vehicles (EV) - Scheduling for usage of home appliances Application areas - Individual systems for optimising self-consumption (Households Rooftop PV) - Large scale solar photovoltaic power plants - Energy supply companies - Direct marketing of electricity from PV production Know your power in advance. Plan your needs. PV Solar Production and Weather Forecast for all global locations. Locate your solar panels or PV plant and start forecasting the power & generation. Live current power. Enter your design parameters and follow the current power of your PV System The app’s background is based on an expert system which combines sophisticated algorithms with statistical and physical models. Local accurate weather data are taken into account for achieving greater accuracy for the electricity generation. For easier search: photovoltaic cell, photovoltaic panels, solar array, solar cell efficiency, solar energy, solar energy cost, solar installation, solar panel cost, pv modules, solar power inverter, solar panels for home, rooftop solar, RV solar, solar pv plant, solar optimization, solar production, pv estimate, solar estimate, pv solcast. Thanks for using our app. If you have encountered any problem or you have any suggestion, please do not hesitate to contact us at support@pvsolcast.com. Please note that all features are available in the premium version of the app. You may have limited access to some features in the free version. Website: www.pvsolcast.com Read the terms and conditions here: https://sites.google.com/view/pvfterms/home Read the privacy policy here: https://sites.google.com/view/iospvforecast/home
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: PV Solar Forecast at 4.0 against Fronius Solar.start's 3.0. PV Solar Forecast also leads on ratings volume (43 vs 5) and iOS requirement (13.0 vs 16.0). Fronius Solar.start's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, review sentiment, update cadence 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. PV Solar Forecast sells 2 in-app purchases, starting at $9.99 per month. Fronius Solar.start asks for nothing beyond the download.
PV Solar Forecast holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: PV Solar Forecast has 43 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 21% and 22% positive.
PV Solar Forecast ships an update every 3 months, Fronius Solar.start every 2 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | PV Solar Forecast | Fronius Solar.start |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (43 ratings) — better | 3.0 (5 ratings) |
| Positive reviews | 21.2% of reviews | 21.8% of reviews — better |
| Number of ratings | 43 — better | 5 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 46 MB | 202 MB |
| Age rating | 4+ | 17+ |
| Developer | Igor Ilijovski | Fronius International GmbH |
Customer experience
PV Solar Forecast
Fronius Solar.start
In-app purchases
PV Solar Forecast
- Unlock all features2 variants$9.991 Month
- Unlock all features2 variants$39.991 Year
Fronius Solar.start
No in-app purchases
Questions
Is PV Solar Forecast free?
Is Fronius Solar.start free?
Which has better reviews, PV Solar Forecast or Fronius Solar.start?
Do PV Solar Forecast or Fronius Solar.start have ads?
Which is updated more often, PV Solar Forecast or Fronius Solar.start?
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