247+ iOS apps curated and reviewed
Solar Electrical Calculator is the household name in solar electrical calculator, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | Jun 2026 |
| 2 |  | Free | — | Yes | Yes | Jul 2026 |
| 3 |  | $3.99 | 4.6★ (462) | No | No | Aug 2026 |
| 4 |  | Free | 3.7★ (6) | Yes | No | May 2026 |
| 5 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 6 |  | $2.99 | 3.3★ (23) | No | No | Jun 2026 |
| 7 |  | Free | 4.4★ (23) | Yes | Yes | Jul 2026 |
| 8 |  | Free | — | No | Yes | Jul 2026 |
Estimate electrical needs for solar installations. Input current configurations to calculate requirements for a new solar setup. Designed for professionals and DIY enthusiasts.
This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.
Calculate essential components for solar power systems. Determine battery backup needs in Ampere-hours, required voltage, and the minimum number of solar panels. Also includes a load calculator to estimate power consumption per hour.
This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.
Calculate custom off-grid solar home power systems. Determine the exact number of solar panels and battery capacity needed for your energy usage. Helps plan system size, inverter requirements, and battery bank specifications.
This tool provides comprehensive solar energy analysis, including system design, battery storage optimization, and real-time utility price tracking. Generate detailed PDF reports for your solar projects to make informed decisions and maximize savings.
This app provides a straightforward calculator designed for the electrical industry, offering tools for power and lighting calculations. It helps users determine generator and UPS requirements, convert units, and calculate fuel consumption. Suitable for both professionals and casual users needing electrical calculations.
This tool helps you calculate the necessary components for an off-grid photovoltaic system. It guides you through determining power consumption, available sunlight, and sizing solar arrays and battery banks.
This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.
This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.
Track your rooftop solar system's performance and optimize your energy usage. Get personalized recommendations for energy plans, analyze your bills, and understand if a battery is a good investment. Monitor your savings and receive alerts for system attention.
This app offers a comprehensive scientific calculator with advanced functions for math, finance, and engineering. It includes unit and currency conversion, a constants library, and a biorhythm calculator for daily insights. The interface is intuitive and supports multiple calculation modes.
This professional electrical application calculates common electrical problems, including wire sizing, conduit sizing, and fusing based on the Canadian Electric Code. It offers advanced features for motor loads, transformers, feeders, and voltage drop calculations, making it an essential tool for electricians and engineers.