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 321–340 of 1,000 ranked alternatives.

  1. DMXCalc app icon

    DMXCalc

    West Side Systems, LLC

    Calculates DMX addresses and block ranges

    The app calculates DMX addresses and block ranges. It provides dip switch settings and level references for lighting equipment configuration.

    ★ 3.88 ratingsProductivity$1.99Data updated 2026-10-11
  2. Percentage app icon

    Percentage

    Piet Jonas

    Calculate proportions between two values.

    The app calculates the proportion between two values expressed in percent. It allows users to find the percent increase or decrease between two values.

    ★ 3.02 ratingsUtilities$0.99Data updated 2026-09-12
  1. Geocaching Toolkit iGCT app icon

    Geocaching Toolkit iGCT

    WA Verhoef

    Geocaching toolkit for field calculations.

    The app provides tools for geocaching, including waypoint calculations like coordinate conversions and projections. It also offers text calculations based on character values and hint decryption.

    ★ 2.819 ratingsNavigationFreeData updated 2026-09-10
  2. CMCalc app icon

    CMCalc

    William David

    Calculate decimal, binary, octal, and hexadecimal values

    Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.

    ★ 4.56 ratingsUtilitiesFreeData updated 2026-09-09
  3. Partometer3D measure on photo app icon

    Partometer3D measure on photo

    VisTech.Projects LLC

    Objects in 3D space with your camera

    Distances, areas, perimeters, angles, and circle parameters using photos. Define measurement planes in 3D space. Adjust for non-parallel planes. Export measurement data. Share results directly.

    ★ 3.617 ratingsProductivity$2.99Data updated 2026-09-18
  4. Simple Compound Interest app icon

    Simple Compound Interest

    Stack3

    Calculate final return and total investment

    Calculate by inputting capital, monthly deposits, annual , and investment period. Display final return, total investment, and return rate. Save multiple scenarios and view monthly growth.

    ★ 4.723 ratingsFinanceFreeData updated 2026-09-10
  5. Physics Calculator app icon

    Physics Calculator

    loay setrak

    Calculate formulas instantly

    Calculate physical quantities using formulas for force, work, power, energy, acceleration, and motion. Input values to solve for unknowns. Track units and view step-by-step solutions. Sync results with other devices.

    ★ 0.00 ratingsEducation$1.99Data updated 2026-09-11
  6. SINAMICS SELECTOR app icon

    SINAMICS SELECTOR

    Siemens AG

    Compile SINAMICS converter article numbers easily.

    The app compiles article numbers for SINAMICS low-voltage converters. Users select applications, power, and options to find suitable frequency inverters and servo drive systems.

    ★ 3.612 ratingsBusinessFreeData updated 2026-10-11
  7. Bluetooth Terminal app icon

    Bluetooth Terminal

    Lukas Pistrol

    Send and receive data

    LE allows users to send bytes as ASCII, HEX, or Decimal values. It displays device services, characteristics, and their values. Users can view device name, UUID, and RSSI readings. Data transfers can be tested without a custom .

    ★ 3.318 ratingsDeveloper ToolsFreeData updated 2026-09-10
  8. Installer App app icon

    Installer App

    Danfoss A/S

    Digital toolbox for heating professionals.

    The app provides professionals with tools for radiator presetting, product finding, project management, and hydronic balancing. It also includes calculators for flow/pressure, floor heating, and burner conversion.

    ★ 3.07 ratingsUtilitiesFreeData updated 2026-09-18
  9. LabCal app icon

    LabCal

    Harald Tammen

    Calculate molarity, moles, and dilutions.

    The app calculates molarity, converts between grams and moles, and computes dilutions. It features slider-controlled SI-prefixes with automatic value adjustment and allows switching molecular weight between Dalton and kilo-Daltons.

    ★ 1.97 ratingsReferenceFreeData updated 2026-09-10
  10. iAudioTool app icon

    iAudioTool

    Julian Bunn

    Analyze and measure audio signals

    Measure sound levels with SPL meter and RT60 analysis for room reverberation. Analyze frequency spectra using spectrogram and octave modes. nd test audio signals with white/pink noise, sine, and sweep options.

    ★ 3.313 ratingsMusic$2.99Data updated 2026-09-28

How we rank alternatives

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