CRUMB app icon

Apps Like CRUMB for iPhone and iPad

Build circuits in 3D with real components

Build and test electronic circuits in a 3D environment. Construct prototypes without physical components. Explore transistor functions and audio filtering. Access a component catalog for circuit design and experimentation.

by Vital Group Limited★ 4.4146 ratingsProductivity$7.99Data updated 2026-10-29

CRUMB screenshots

Ranked alternatives

Showing 41–60 of 1,000 ranked alternatives.

  1. Simple Circuit Builder app icon

    Simple Circuit Builder

    David White

    Measure voltages and calculate resistance

    Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.

    ★ 4.028 ratingsUtilitiesFreeData updated 2026-09-13
  2. 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
  1. iCircuit app icon

    iCircuit

    Krueger Systems, Inc.

    Design, simulate, and learn electronics easily.

    The app allows users to design, simulate, and learn analog and digital electronics. Its simulation engine provides real-time analysis, enabling users to build circuits with over 300 components, including programmable microcontrollers and digital ICs.

    ★ 0.00 ratingsProductivity$12.99Data updated 2026-09-21
  2. Electronics Circuit Calculator app icon

    Electronics Circuit Calculator

    Mustafa Mohammed

    Calculate circuits, convert units, test experiments

    Solve electrical problems by calculating voltage, current, and resistance. Input values to determine unknown variables. Perform unit conversions and conduct experiments. Store and retrieve calculation results.

    ★ 4.464 ratingsEducationFreeData updated 2026-09-09
  3. Circuit Calculator app icon

    Circuit Calculator

    Neil Woodcock

    Build, simulate, and solve circuits

    Build and simulate linear AC and DC circuits by dragging and rotating components. Calculate steady-state voltages and currents. View real-time DC current flow and review results with detailed analysis. Export schematics and solution data.

    ★ 2.52 ratingsEducationFreeData updated 2026-09-09
  4. Circuit Lab app icon

    Circuit Lab

    Fabrizio Boco

    Analyze electronic circuits with multiple methods.

    The app analyzes electronic circuits using modified node analysis. It supports DC, AC, multifrequency AC, and transient analyses for linear and non-linear circuits with various sources and components.

    ★ 0.00 ratingsProductivity$12.99Data updated 2026-09-23
  5. Abilix Krypton - Todays Future app icon

    Abilix Krypton - Todays Future

    Shanghai PartnerX Robotics Co., Ltd.

    Build robots, learn programming, create models

    Learn robot functionality through component interaction and model building. Program robots to complete tasks and reinforce programming skills. Understand mechanical and operational principles via hands-on assembly and testing.

    ★ 4.116 ratingsEducationFreeData updated 2026-09-11
  6. ProtoPie Player app icon

    ProtoPie Player

    Studio XID, Inc

    View prototypes on your device

    View and test prototypes created with Studio. Access prototypes from the cloud or local storage. Share prototypes for remote testing. Save and export prototypes directly. Open prototypes on iOS and iPadOS without requiring Studio.

    ★ 4.027 ratingsProductivityFreeData updated 2026-09-10
  7. Robo Rocket app icon

    Robo Rocket

    Fehners Software LLP

    Fix circuits, clean spills, and organize parts

    Help robots complete chores like cleaning oil spills and organizing parts. Fix the control panel and mend circuits. Explore hidden interactive areas and find the hidden robot mouse.

    ★ 4.4133 ratingsGamesFreeData updated 2026-09-09
  8. Accent Training - American app icon

    Accent Training - American

    An Tran

    Record, listen, compare, improve

    Practice English speaking by listening to native voice audios, recording your own voice, and comparing it to improve pronunciation and intonation. Track progress with feedback on voice quality and liaisons.

    ★ 4.6436 ratingsEducationFreeData 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. 2017 Master Electrician Ref. app icon

    2017 Master Electrician Ref.

    PawEng, LLC

    Access electrical codes and standards

    Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.

    ★ 4.71,266 ratingsProductivity$9.99Data updated 2026-10-24
  11. PC Simulator-Assemble Computer app icon

    PC Simulator-Assemble Computer

    VECTOR LABS LIMITED

    Build PCs with step-by-step guides

    Build and customize PCs using real-world components. Learn to assemble hardware step-by-step with detailed instructions. Repair different PC models and manage component compatibility. Track progress and upgrade systems over time.

    ★ 3.9118 ratingsGamesFreeData updated 2026-09-28

How we rank alternatives

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