Volcast - Solar Forecast
Volcast - Solar Forecast is #52 in Weather Grossing in Italy and charting in 2 of 16 countries we track.
DeveloperMichal Bartosiak
CategoryWeather
PriceFree
Released
Rating★ 5.0 (1)
Version1.6.0
Age rating4+
First charted🇮🇹 24 Sep 2026
Where it ranks now
Every top chart it appears in across 16 countries.
| Country | Chart | Rank |
|---|---|---|
| 🇮🇹 Italy | Weather · Grossing | #52 |
| 🇫🇷 France | Weather · Grossing | #79 |
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Sign inEstimated downloads and revenue, ratings momentum, rank history, recent reviews per country and breakout scores for Volcast - Solar Forecast.
About Volcast - Solar Forecast
Maximize your solar investment with Volcast – the ultimate PV production forecast tool.
Stop guessing when the sun will power your home. Volcast provides an accurate, hour-by-hour solar production forecast for your PV system, covering today and the next 7 days. Designed by solar owners for solar owners, Volcast helps you align your energy-heavy tasks with peak production windows to maximize self-consumption.
SMART HOME & HOME ASSISTANT INTEGRATION
Volcast features a professional REST API for Home Assistant users. Export your forecast data directly to your HA dashboards to automate your smart home based on solar availability.
ADVANCED PHYSICS-BASED ENGINE
We combine real-time satellite irradiance data with a high-fidelity physics engine. We account for:
Multi-String Support: Perfect for complex east-west or multi-roof systems.
Bifacial Panels: Specialized modeling for modern modules.
AI Auto-Calibration: Our algorithms learn your system's performance over time.
Horizon Profiling: Accounts for shading from terrain and obstacles.
KEY FEATURES:
7-Day Precise Forecast: Hour-by-hour power prediction.
Hourly View Toggle: Switch each hour between forecast, actual production, and the difference at a tap.
Multi-Device Sync: Production history and calibration stay in sync across every device you sign in on.
Notification Center: Evening forecasts, snow warnings, and peak window alerts.
Privacy First: Secure processing, no ads, no third-party tracking.
PLANS & PRICING:
Free: 48-hour high-accuracy forecast.
Premium (monthly or yearly): Full 7-day forecast, AI calibration, and Home Assistant API access. Start with a 7-day free trial.
Terms of Use: https://volcast.app/terms
Privacy Policy: https://volcast.app/privacy
Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage subscriptions in your App Store account settings.
Stop guessing when the sun will power your home. Volcast provides an accurate, hour-by-hour solar production forecast for your PV system, covering today and the next 7 days. Designed by solar owners for solar owners, Volcast helps you align your energy-heavy tasks with peak production windows to maximize self-consumption.
SMART HOME & HOME ASSISTANT INTEGRATION
Volcast features a professional REST API for Home Assistant users. Export your forecast data directly to your HA dashboards to automate your smart home based on solar availability.
ADVANCED PHYSICS-BASED ENGINE
We combine real-time satellite irradiance data with a high-fidelity physics engine. We account for:
Multi-String Support: Perfect for complex east-west or multi-roof systems.
Bifacial Panels: Specialized modeling for modern modules.
AI Auto-Calibration: Our algorithms learn your system's performance over time.
Horizon Profiling: Accounts for shading from terrain and obstacles.
KEY FEATURES:
7-Day Precise Forecast: Hour-by-hour power prediction.
Hourly View Toggle: Switch each hour between forecast, actual production, and the difference at a tap.
Multi-Device Sync: Production history and calibration stay in sync across every device you sign in on.
Notification Center: Evening forecasts, snow warnings, and peak window alerts.
Privacy First: Secure processing, no ads, no third-party tracking.
PLANS & PRICING:
Free: 48-hour high-accuracy forecast.
Premium (monthly or yearly): Full 7-day forecast, AI calibration, and Home Assistant API access. Start with a 7-day free trial.
Terms of Use: https://volcast.app/terms
Privacy Policy: https://volcast.app/privacy
Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage subscriptions in your App Store account settings.
Latest updates
1.6.0