250+ iOS apps curated and reviewed
Finding the right power calculator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (2) | No | No | May 2026 |
| 2 |  | Free | — | No | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (803) | No | Yes | Aug 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 3.5★ (2) | No | No | May 2026 |
| 6 |  | Free | 4.6★ (126) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.4★ (50) | Yes | No | Aug 2026 |
| 8 |  | $2.99 | 3.0★ (1) | No | No | May 2026 |
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 app offers a powerful calculator with hundreds of pre-built templates for finance, engineering, and more. Users can also create custom calculations for specific needs, ensuring accuracy and speed for repetitive tasks. Access your calculations across devices, online or offline.
Calculate voltage, current, resistance, and electric power. Input any two values to automatically determine the missing ones. Supports both normal and scientific notation for calculated results.
This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.
This app serves as an advanced electrical power calculator. It allows users to easily compute and convert between Watts, Amps, and Volts for single-phase systems, and kW, Amps, Volts, and Power Factor for three-phase systems. Simply input known values to find the missing one.
This app provides precise mathematical and scientific calculations for various needs. It helps users calculate generator and UPS requirements, convert lumens to watts, and estimate generator fuel consumption. It's designed for students, professionals, and anyone needing accurate computations.
This app simplifies power and exponent calculations with step-by-step solutions. It supports various number types and offers a history of calculations. An overview of exponent laws is also included.
This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.
Easily calculate wattage using three different formulas. Input values and get instant results, with options to copy or email your calculations. Features an intuitive design for a smooth and reliable user experience.
This app calculates electrical parameters based on Ohm's and power laws. Input any two values (voltage, current, resistance, or power) and the app will automatically compute the remaining two. It allows for continuous "what-if" scenarios by locking one parameter and recalculating others.
This app helps you accurately calculate power outage durations and battery performance. It factors in real-world conditions like battery discharge, inverter efficiency, and device consumption to provide realistic estimates for runtime and charging.
This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.
This application provides a straightforward and efficient calculator experience. It offers features like calculation history, easy editing of previous entries, and the ability to reuse past results. Mark important calculations and share your work with others.
