iSlipstick app icon

Apps Like iSlipstick for iPhone and iPad

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.

by Sam Virgillo★ 5.03 ratingsProductivityFreeData updated 2026-09-11

iSlipstick screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Amateur Radio Toolkit app icon

    Amateur Radio Toolkit

    Electronial

    Calculate coordinates and grid squares for projects

    Offers calculators for designing radios and antennas. Users can find latitude and longitude from a maidenhead square or vice versa. Calculate distances between squares. Convert units. Locate current position.

    ★ 4.0367 ratingsEducationFreeData updated 2026-09-14
  2. 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.

    ★ 4.41,504 ratingsProductivity$12.99Data updated 2026-10-08
  3. 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
  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. Physics Toolkit app icon

    Physics Toolkit

    Electronial

    Calculate formulas and values

    Perform calculations using built-in formulas and calculators for displacement, acceleration, Newton's second law, gravitational acceleration, Hooke's law, momentum, work, density, kinetic energy, potential energy, elastic energy, electric power,

    ★ 4.651 ratingsEducationFreeData updated 2026-09-14
  3. RF-Toolbox Pro app icon

    RF-Toolbox Pro

    Marcus Roskosch

    Calculate, analyze, and design circuits

    Calculate impedance and transmission line parameters. Analyze signal integrity and loss. Convert between frequency units. Simulate circuits. Calculate antenna parameters and resonance frequencies. Perform S-parameter calculations.

    ★ 4.922 ratingsProductivity$7.99Data updated 2026-09-08
  4. OhmPro app icon

    OhmPro

    SAM SHEPPARD

    Calculate voltage, current, and resistance

    Calculate electrical values using Ohm’s Law and related formulas. Input voltage, current, or resistance to determine missing variables. Access circuit diagrams and safety guidelines. Convert units between volts, amps, and ohms.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06
  5. Ultimate Car Audio App app icon

    Ultimate Car Audio App

    Thomas VanSlambrouck

    Wire subwoofers, calculate cone area, suggest amplifier

    Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.

    ★ 4.281 ratingsUtilitiesFreeData updated 2026-09-10
  6. Scientific Calculator Plus 991 app icon

    Scientific Calculator Plus 991

    Tran Duy

    Calculate, graph, convert, solve

    Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

    ★ 4.712,406 ratingsEducationFreeData updated 2026-09-16
  7. The Best Calculator - Calc Pro app icon

    The Best Calculator - Calc Pro

    Panoramic Software Inc.

    Calculate and manage financial data

    Perform complex calculations using 10 built-in calculators including scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting, loans, and investments. Save and share calculation results.

    ★ 4.64,713 ratingsUtilitiesFreeData updated 2026-09-08
  8. 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
  9. Calcbot 2 app icon

    Calcbot 2

    Tapbots

    Review calculations and send them back

    Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.

    ★ 4.711,113 ratingsUtilitiesFreeData updated 2026-09-08
  10. Converter+ (Units, Currencies) app icon

    Converter+ (Units, Currencies)

    TranCreative Software

    Convert units, currencies, and calculate.

    The app offers unit and currency conversion across hundreds of categories. It includes mortgage, loan, and tip calculators, with the ability to edit, add, or download templates.

    ★ 4.72,418 ratingsProductivityFreeData updated 2026-09-14
  11. Tip Calculator Plus+ app icon

    Tip Calculator Plus+

    Tue Nguyen Minh

    Calculate tips and split bills

    Calculate tips and split bills with customizable percentages and group allocations. Enter total amounts and split costs evenly or manually. Round total values for easier handling. Share results via copy or email.

    ★ 4.86,920 ratingsUtilitiesFreeData updated 2026-09-14
  12. Ohm & Watt Law Electrical Calc app icon

    Ohm & Watt Law Electrical Calc

    TrothMatrix OPC Private Limited

    Calculate voltage, current, resistance, and power

    Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.

    ★ 4.752 ratingsUtilitiesFreeData updated 2026-09-17
  13. Calculator + app icon

    Calculator +

    Sarah Ragab

    Simple, usable, and beautiful calculator.

    The app offers a free basic and scientific calculator with an intuitive interface. It displays equations and results simultaneously, supporting fractions and percentages.

    ★ 4.610,075 ratingsUtilitiesFreeData updated 2026-09-13
  14. Physics Toolkit Pro app icon

    Physics Toolkit Pro

    Electronial

    Calculate formulas and values

    Perform calculations using built-in calculators for displacement, acceleration, Newton's second law, gravitational acceleration, Hooke's law, momentum, work, density, kinetic energy, potential energy, elastic energy, electric power, wavelength, and

    ★ 4.47 ratingsEducation$1.99Data updated 2026-09-14
  15. Electrical Tools & Reference app icon

    Electrical Tools & Reference

    Ashvin Kevadiya

    Learn circuits, design wiring, and test systems

    Learn theory with interactive lessons on voltage, current, resistance, and Ohm’s law. Explore detailed wiring diagrams and circuit schematics. Use built-in to calculate loads, analyze circuits, and simulate real-world wiring scenarios.

    ★ 4.69 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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