Comparison

PV Solar Forecast vs Sx3App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Sx3App

Features
Read full description

SX3app is a dedicated real-time monitoring application for Solax X3 Hybrid G4 inverters. It provides a fast and clear overview of live performance, battery status and key system data — whether you are at home or on the go. KEY FEATURES • Live inverter data with near real-time updates • Battery status and energy flow overview • Spot price graphs • Automatic connection via local network or cloud • Quick device setup using QR code scanning • Spot energy price overview (where available) FAST AND SIMPLE CONNECTION SX3app can automatically detect the available connection method and choose the fastest way to access your inverter. This ensures reliable monitoring without complicated setup. WHO IS IT FOR The app is ideal for photovoltaic system owners, installers and advanced users who want detailed insight into their Solax X3 Hybrid G4 operation. PRIVACY AND SECURITY SX3app does not collect personal user data. Connections are made directly to your device or through the official cloud interface. Note: Some features may depend on inverter firmware version and the type of communication dongle used.

Screenshots

PV Solar Forecast4 screens
Sx3App4 screens

Verdict

The call

The clearest difference is price: PV Solar Forecast at Free against Sx3App's $9.99. PV Solar Forecast also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). Sx3App's advantage is in-app purchases (none vs 4) and ads (none vs shown). On update cadence 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

CostPrice · In-app purchases · Ads · Monetization

PV Solar Forecast is free to download; Sx3App costs $9.99 up front. PV Solar Forecast sells 2 in-app purchases, starting at $9.99 per month. Sx3App asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
PV Solar Forecast versus Sx3App: the parameters behind the verdict, then further details
ParameterPV Solar ForecastSx3App
PriceFree — better$9.99
Rating4.0 (43 ratings) — better—
Positive reviews21.2% of reviews—
Number of ratings43 — better—
Update frequencyEvery 3 monthsEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size46 MB1 MB
Age rating4+4+
DeveloperIgor IlijovskiEmtron s.r.o

In-app purchases

2 purchases

PV Solar Forecast

Subscriptions2
  • Unlock all features2 variants$9.991 Month
  • Unlock all features2 variants$39.991 Year
None

Sx3App

No in-app purchases

Questions

Is PV Solar Forecast free?
PV Solar Forecast is free to download, with in-app purchases available.
Is Sx3App free?
Sx3App costs $9.99, with no in-app purchases.
Do PV Solar Forecast or Sx3App have ads?
PV Solar Forecast shows ads; Sx3App does not.
Which is updated more often, PV Solar Forecast or Sx3App?
PV Solar Forecast ships an update every 3 months, and Sx3App every 3 months. Most recently, PV Solar Forecast was updated on November 7, 2026 and Sx3App on November 3, 2026.

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