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★ 4.4139 ratingsProductivity$7.99Data updated 2026-09-15

CRUMB screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. Basic Electric Circuit app icon

    Basic Electric Circuit

    Willie van Schalkwyk

    Learn basics and build simple circuits

    Learn about circuits with interactive lessons on series and parallel configurations. Calculate voltage, current, and resistance. Simulate behavior and observe current flow visually.

    ★ 0.00 ratingsEducation$3.99Data updated 2026-09-11
  1. 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
  2. Learn JavaScript Programming app icon

    Learn JavaScript Programming

    Shahbaz Khan

    And build web apps

    With interactive tutorials and project-based lessons. Complete exercises to practice coding concepts. Access code examples and debug tools. Track progress and review lessons for reinforcement.

    ★ 4.6362 ratingsEducationFreeData updated 2026-09-06
  3. Rocket Lab app icon

    Rocket Lab

    Smithsonian Institution

    Design rockets and launch missions

    Design rockets with customizable components like shape, propellant, and staging. Simulate suborbital, orbital, and escape velocity missions. Track performance metrics and adjust designs based on flight data.

    ★ 3.114 ratingsEducationFreeData updated 2026-09-10
  4. LoCAD app icon

    LoCAD

    Karl-Heinz Loch

    ★ 4.52 ratingsEducation$1.99Data updated 2026-09-09
  5. Lineman's Reference - URD app icon

    Lineman's Reference - URD

    Digital Apprentice LLC

    Troubleshoot underground cables

    Learn to isolate and hipot cable sections, troubleshoot underground outages, and replace pad-mounted transformers. Access fault indicators, cable isolation, and transformer isolation labs. Complete troubleshooting exercises with optional quizzes.

    ★ 4.564 ratingsEducation$9.99Data updated 2026-09-14
  6. Electronics docs & calculators app icon

    Electronics docs & calculators

    Anas Abubakar

    Design circuits with component references

    Electrohelper allows users to access references for electronic components and circuits. It includes tools for calculating various filters like Butterworth, Sallen-Key, Chebychev, and Bessel. Users can view component details and circuit diagrams.

    ★ 5.04 ratingsEducation$4.99Data updated 2026-09-06
  7. EE ToolKit PRO app icon

    EE ToolKit PRO

    Thomas Gruber

    Design circuits, simulate, and analyze electronics

    Manage electronic circuits with schematic design tools. Calculate resistor values and voltage drops. Simulate circuit behavior and analyze results. Access component datasheets and engineering formulas. Export designs and share project files.

    ★ 4.9293 ratingsProductivity$9.99Data updated 2026-09-15
  8. iCircuit app icon

    iCircuit

    Krueger Systems, Inc.

    ★ 0.00 ratingsProductivity$12.99Data updated 2026-09-08
  9. GanElektri app icon

    GanElektri

    Everton Borges

    Solve circuits and analyze power

    Solve electrical circuit problems with interactive exercises on Ohm's Law, Kirchhoff's Laws, and impedance calculations. Practice resistive circuits, node and loop analysis, and motor efficiency. Review complex numbers and power factor concepts.

    ★ 0.00 ratingsEducation$1.99Data updated 2026-09-06
  10. Meccano AR app icon

    Meccano AR

    Grayscale Interactive, S.A.S. de C.V

    ★ 1.85 ratingsEducationFreeData updated 2026-09-06

How we rank alternatives

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