249+ 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 249+ 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 | Aug 2026 |
| 2 |  | Free | — | No | Yes | Jul 2026 |
| 3 |  | Free was $0.99 | 1.0★ (2) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.6★ (197) | No | No | Aug 2026 |
| 5 |  | Free | 4.2★ (5) | No | Yes | May 2026 |
| 6 |  | Free | 4.6★ (574) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 3.8★ (4) | No | Yes | May 2026 |
| 8 |  | Free | — | Yes | Yes | May 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 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.
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 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 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.
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.
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.
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.
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.
Calculates minimum circuit protective conductor and earth conductor sizes using the adiabatic equation. Input voltage, Zs value, protective device, conductor type, and material to find the minimum CSA in mm².
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 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 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.
