SolarCalc Pro is a comprehensive, ad-free mobile application designed for solar PV system sizing, electrical calculations, and professional design, supporting both off-grid and on-grid projects. It provides offline functionality for essential tasks, including load estimation, inverter sizing, and cable calculations, with a 4.8-star rating on major platforms. Download the application on Google Play or the App Store . SolarCalc Pro - Solar PV Calc - Apps on Google Play