194+ iOS apps curated and reviewed
Fault Current Calculator is the household name in fault current calculator, but it's far from the only option. We track 194+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.1★ (23) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.6★ (197) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (570) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.2★ (5) | No | Yes | May 2026 |
| 5 |  | Free was $0.99 | 1.0★ (2) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.6★ (1.5K) | No | No | Aug 2026 |
| 7 |  | Free | 3.8★ (4) | No | Yes | May 2026 |
| 8 |  | Free | 4.5★ (746) | No | No | Jul 2026 |
This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.
This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.
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.
This tool models electrical distribution systems to calculate available fault current. It helps engineers and electricians ensure equipment is rated for maximum fault current, meeting NEC and IEC standards. Generate reports for compliance and safety.
This app calculates prospective fault current (PFC) in kA and Amps for single and three-phase circuits. It allows users to input any two values (voltage, earth loop impedance, or PFC) to determine the third, aiding in selecting appropriate circuit breaker ratings.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
Calculate and generate arc flash labels for electrical equipment. Input data to produce PDF labels based on NFPA 70E standards, including incident energy and approach boundaries. Supports various circuit breakers, fuses, and voltage levels.
This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.
This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.
Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.
This app offers a comprehensive suite of electrical calculations and conversions for professionals and students. It handles diverse units and provides precise results for various electrical engineering tasks, including voltage, current, power, and more.
This app helps users identify and locate electrical fuses. It features a large cross-reference database, a motor protection selector, and a distributor locator. New OCR technology allows for part identification using a device's camera.
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 is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.
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.
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 offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
This utility app calculates voltage, current, resistance, and power using Ohm's Law. Simply input any two values, and the app will compute the remaining two, providing a comprehensive tool for electrical calculations.
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.