Circuit Playground app icon

Apps Like Circuit Playground for iPhone and iPad

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.

by Adafruit Industries LLC★ 4.319 ratingsUtilities$2.99Data updated 2026-09-08

Circuit Playground screenshots

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  1. Debotha: Text & Base Converter app icon

    Debotha: Text & Base Converter

    Juan Williman

    Convert , scan, sync, and secure conversions

    Convert and numbers between decimal, binary, octal, hexadecimal, and ASCII formats. Scan for conversion. Save history and sync via iCloud. Use Siri Shortcuts and widgets. Customize theme and icon. Lock with Face ID/Touch ID.

    ★ 5.02 ratingsDeveloper ToolsFreeData updated 2026-09-06
  2. EMI Calculator: Loan Planner app icon

    EMI Calculator: Loan Planner

    Hareshbhai Issamaliya

    Calculate EMI and view payment schedule

    Calculate EMIs by inputting amount, interest rate, and period. View payment schedules in a table format. Track monthly payments and see breakdowns of principal and interest.

    ★ 4.488 ratingsFinanceFreeData updated 2026-09-13
  1. Qudelix app icon

    Qudelix

    Qudelix, Inc.

    Control DAC settings and monitor battery

    Control the -5K DAC AMP via Bluetooth Low Energy. Adjust equalizer settings and monitor battery levels. Update firmware and manage volume. View Bluetooth codec details and streaming information. Supports ES9219 DAC option.

    ★ 4.484 ratingsUtilitiesFreeData updated 2026-09-26
  2. Standard Deviation Calculator app icon

    Standard Deviation Calculator

    Keely Hill

    Calculate statistical values for data sets.

    The app calculates standard deviation, mean, variance, population deviation, median, and Q1 & Q3 for a set of values. It also computes z-scores based on the entered data.

    ★ 2.424 ratingsUtilitiesFreeData updated 2026-10-21
  3. CardNGN – Gift Card Value app icon

    CardNGN – Gift Card Value

    PROSPECT CULTURE GROUP CO., LIMITED

    Check values instantly

    Check values and calculate their worth instantly. View real-time price references for popular cards. Use a secure tool with accurate data. Manage balances and track expiration dates.

    ★ 4.739 ratingsUtilitiesFreeData updated 2026-09-06
  4. Electrical Formulator app icon

    Electrical Formulator

    Historycentral.com Inc

    Complete electrical calculation tool for professionals.

    The app provides over 100 electrical formulas for calculations and conversions. Users can save, print, or email results and access frequently used formulas.

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-10
  5. AV Aid toolkit app icon

    AV Aid toolkit

    Dave Levy

    Select and adjust display resolutions

    AV Aid detects and displays available output resolutions when connected to a projector or monitor via VGA, HDMI, or Airplay. Users can select a resolution and generate color bars or test patterns.

    ★ 4.794 ratingsUtilities$0.99Data updated 2026-10-06
  6. BlackVue Battery app icon

    BlackVue Battery

    Pittasoft Co., Ltd.

    Connect via Bluetooth and view stats

    Connect to Power Magic Ultra via Bluetooth to manage power and settings. View capacity, remaining time, temperature, voltage, and current. Adjust settings like beep sound and total capacity.

    ★ 1.484 ratingsUtilitiesFreeData updated 2026-09-14
  7. My Physics Calculator app icon

    My Physics Calculator

    V PUGAZHENTHI

    Calculate and engineering parameters

    Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.

    ★ 4.344 ratingsUtilities$2.99Data updated 2026-09-09
  8. Ham Radio Reference app icon

    Ham Radio Reference

    Snecadev

    Amateur radio reference for all users.

    This reference app provides quick access to amateur radio band limits, country codes, band plans, radiogram messages, grid squares, and time. It also includes the RST system, Morse code, phonetic alphabet, unit abbreviations, and metric prefixes.

    ★ 3.714 ratingsReference$1.99Data updated 2026-09-29
  9. TechniCalc Calculator app icon

    TechniCalc Calculator

    Jacob Parker

    Calculate equations naturally and precisely

    Allows users to perform complex calculations with a natural equation entry system. It supports split screen, wireless keyboards, and Apple Watch integration. The displays full equations in real time and offers dark mode for enhanced readability.

    ★ 4.782 ratingsUtilities$7.99Data updated 2026-09-24
  10. Electrical Components Quiz app icon

    Electrical Components Quiz

    Forwa Elade Wunde

    Identify with AI

    Identify using an AI model. Test knowledge with 2000+ . Earn 5 points per correct answer, lose 3 for incorrect ones. Retake levels to improve score. Track progress through levels requiring 25 points to advance.

    ★ 5.06 ratingsEducationFreeData updated 2026-09-06
  11. RaspController app icon

    RaspController

    Egal Net di Ettore Gallina

    Manage files, control GPIO, view camera images,

    Manage Raspberry Pi remotely with GPIO control for on/off and impulse functions. Access a file manager to explore and transfer files. Send terminal commands, view camera images, and retrieve sensor data.

    ★ 4.749 ratingsUtilitiesFreeData updated 2026-09-06
  12. dB Calc app icon

    dB Calc

    Black Cat Systems

    Decibel calculations made easy now.

    The app converts between various RF signal measurement units including decibel, neper, and ratio conversions. It calculates power, voltage, and RMS waveform values based on user input and selected units.

    ★ 5.05 ratingsReference$0.99Data updated 2026-09-10

How we rank alternatives

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