CALC ToolBox app icon

Apps Like CALC ToolBox for iPhone and iPad

by 1BIGRIG Ltd★ 0.00 ratingsProductivityFreeData updated 2026-09-06

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Ohms Law Calc. app icon

    Ohms Law Calc.

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.

    ★ 4.71,326 ratingsUtilitiesFreeData updated 2026-09-08
  2. iSlipstick app icon

    iSlipstick

    Sam Virgillo

    Electronic formula calculators and value converters.

    The app provides electronic formula calculators and value converters. It includes Ohm's law, Op-Amp gain, LC circuit, impedance, and resistor calculators, along with metric and imperial unit conversions.

    ★ 5.03 ratingsProductivityFreeData updated 2026-09-11
  3. Dip Calc app icon

    Dip Calc

    CHRISTOPHER GEORGE RUSTAGE

    ★ 4.02 ratingsUtilities$0.99Data updated 2026-10-10
  1. Electrical Calc Elite app icon

    Electrical Calc Elite

    Cyberprodigy LLC

    Calculate loads and circuits

    Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.

    ★ 4.8126 ratingsUtilities$19.99Data updated 2026-09-08
  2. IP Subnet Calc app icon

    IP Subnet Calc

    Goncalo Silva

    Calculate properties and convert addresses

    Calculator converts IPv4 and IPv6 addresses. Displays hosts, size, class, mask, wildcard, network, first, last, and broadcast addresses. Adjust CIDR slider to update properties.

    ★ 4.9247 ratingsUtilitiesFreeData updated 2026-09-13
  3. Electronics Engineer Helper app icon

    Electronics Engineer Helper

    Rostyslav Dovhaliuk

    Search datasheets and calculate resistor values

    Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.

    ★ 4.8435 ratingsProductivityFreeData updated 2026-09-09
  4. Subnetting Calculator app icon

    Subnetting Calculator

    Rooster Glue, Inc.

    Calculate IPv4 IP address ranges simply.

    The app calculates IPv4 IP address ranges, number of hosts, broadcast addresses, and subnet masks. It performs both traditional classful and classless (CIDR) subnet mask calculations.

    ★ 3.84 ratingsUtilitiesFreeData updated 2026-10-22
  5. Ohm's Law app icon

    Ohm's Law

    Creature Code Mobile, LLC

    Calculate voltage, current, and resistance

    Calculate electrical values using . Input voltage, current, or resistance to find missing variables. Supports calculations for series and parallel circuits. Includes unit conversion for volts, amps, and ohms.

    ★ 4.7170 ratingsUtilitiesFreeData updated 2026-09-08
  6. Subnet Calc app icon

    Subnet Calc

    Swipe Stack Ltd

    Calculate details instantly

    Calculate subnets and IP addresses using CIDR notation. Determine class, private range status, and IP details. View network ranges and reserved addresses. Switch between IPv4 and IPv6 modes.

    ★ 5.02 ratingsBusinessFreeData updated 2026-09-08
  7. Watts Amps Volts  Calculator app icon

    Watts Amps Volts Calculator

    Pro Certs Software Ltd

    Calculate , , and

    Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.

    ★ 4.450 ratingsUtilitiesFreeData updated 2026-09-08
  8. Unit Converter Calculator Pro app icon

    Unit Converter Calculator Pro

    Rome Rock LLC

    Convert units between metric and imperial systems

    Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.

    ★ 4.7985 ratingsUtilitiesFreeData updated 2026-09-14
  9. Ugly's Electrical References app icon

    Ugly's Electrical References

    Informed Publishing

    Access code tables and track updates

    Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.

    ★ 4.41,510 ratingsProductivity$12.99Data updated 2026-10-23
  10. Circuit Playground app icon

    Circuit Playground

    Adafruit Industries LLC

    Calculate component values and resistor codes

    Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.

    ★ 4.319 ratingsUtilities$2.99Data updated 2026-09-08
  11. Calculator HD: Big Buttons app icon

    Calculator HD: Big Buttons

    Studio Zebra

    Calculate with large, easy-to-read numbers

    A for with a large, easy-to-read display. Perform basic arithmetic operations. Use user-friendly controls for quick calculations.

    ★ 4.51,938 ratingsUtilitiesFreeData updated 2026-09-10

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.