Read A Res app icon

Apps Like Read A Res for iPhone and iPad

Resistance values instantly

Resistance values by entering SMD codes or color combinations. Convert values instantly. Display results in ohms, kilohms, and megohms. Automatically calculate tolerance and percentage deviation. Export data as text or share via email.

by Enes Akkus★ 4.433 ratingsUtilitiesFreeData updated 2026-09-16

Read A Res screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Resistor-Converter app icon

    Resistor-Converter

    Gerhard Lentschik

    Calculate resistance from color codes

    Calculate resistance values for 4, 5, or 6 ring resistors by selecting color codes or entering resistance values. Determine colored rings based on resistance input. Support for SMD resistors and EIA value calculations.

    ★ 4.916 ratingsUtilitiesFreeData updated 2026-09-06
  2. Resistor Calculator 4-Band app icon

    Resistor Calculator 4-Band

    Max Kievits

    Calculate values instantly

    Calculate values by selecting color bands. Display resistance, tolerance, and temperature coefficient. Visualize bands with interactive color selection.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-14
  3. Capacitor-Converter app icon

    Capacitor-Converter

    Gerhard Lentschik

    Calculate values and color codes

    Calculate values by entering the EIA code or desired value. Determine color rings based on capacitance. Support SMD capacitors and convert between codes and values.

    ★ 4.89 ratingsUtilitiesFreeData updated 2026-09-06
  1. Electronics Toolkit! app icon

    Electronics Toolkit!

    Electronial

    Calculate resistor values by color

    Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.

    ★ 4.3556 ratingsEducationFreeData updated 2026-09-14
  2. ID Resistors app icon

    ID Resistors

    Marc Rummel

    Enter resistor code or value to get

    Identify resistor values by entering code or value. Support for through-hole and SMD . Provide resistor color codes and numerical values. Available in English, French, German, and Spanish.

    ★ 4.931 ratingsEducationFreeData updated 2026-09-26
  3. Ohm's Law Calculator app icon

    Ohm's Law Calculator

    Phan Nhat Đang

    Calculate voltage, current, resistance, power

    Calculate voltage, current, resistance, and power by entering any two values. Automatically compute the remaining values. Support multiple units including volts, amps, ohms, and watts. Convert between kilo, mega, and milli units.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-27
  4. Ohmulator app icon

    Ohmulator

    Armchair Engineering

    Calculate voltage, current, and resistance

    Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.

    ★ 4.779 ratingsUtilities$0.99Data updated 2026-09-08
  5. Resistor Color Band Calculator app icon

    Resistor Color Band Calculator

    Aryaman Sharda

    Calculate values by bands

    Determine values by selecting bands. Calculate resistance, tolerance, and temperature coefficients. View detailed specifications and compare ratings.

    ★ 4.625 ratingsUtilitiesFreeData updated 2026-09-06
  6. Basic Electronic Calculator app icon

    Basic Electronic Calculator

    Gergely Nagy

    Calculate voltage, current, resistance, and power

    Calculate voltage, current, resistance, or electric power by entering any two values. Convert results between normal and scientific notation. Display calculated values clearly.

    ★ 3.52 ratingsUtilitiesFreeData updated 2026-09-08
  7. Electrical Calculator lite app icon

    Electrical Calculator lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.

    ★ 4.6575 ratingsUtilitiesFreeData updated 2026-09-09
  8. Electronics Kit app icon

    Electronics Kit

    Siu Yuen Ho

    Calculate, measure, and test components

    Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.

    ★ 4.865 ratingsUtilitiesFreeData updated 2026-09-12
  9. 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
  10. 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
  11. Electrodoc Pro app icon

    Electrodoc Pro

    IODEMA SRL

    Lookup resistor values and color codes

    Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.

    ★ 4.665 ratingsProductivity$4.99Data updated 2026-10-24
  12. Current Altitude app icon

    Current Altitude

    Hearn Apps, LLC

    Companion for hiking camping climbing flying

    The app uses the device's GPS to save and display locations. Users can share their location and altitude with friends.

    ★ 4.817,990 ratingsUtilitiesFreeData updated 2026-09-12
  13. Resistance Color Calculator app icon

    Resistance Color Calculator

    Fabian Schiller

    Select resistor colors and get value instantly

    Determine resistor values by selecting ring colors and number of rings. Choose orientation with the larger gap on the right. Receive value, tolerance, and other details.

    ★ 4.983 ratingsUtilitiesFreeData updated 2026-09-06
  14. Converter and Calculator app icon

    Converter and Calculator

    Cider Software LLC

    Convert units and currencies instantly

    A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.

    ★ 4.7267 ratingsUtilities$2.99Data updated 2026-09-08
  15. 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
  16. Electrical Engineering - lite app icon

    Electrical Engineering - lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.

    ★ 4.7252 ratingsEducationFreeData updated 2026-09-09
  17. v2RayTun app icon

    v2RayTun

    DATABRIDGES TECHNOLOGIES LTD

    Use proxy servers and encrypt traffic

    Configure proxy servers to route network traffic. Support Reality protocol and multiple encryption methods including AES and Chacha20. Import settings via QR, clipboard, deep link, or manual entry.

    ★ 4.716,297 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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