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 1–20 of 1,000 ranked alternatives.

  1. Circuitry app icon

    Circuitry

    Anthony Foster

    Build logic circuits and test designs

    Learn boolean algebra and digital circuit concepts through interactive logic gate puzzles. Build and test circuits using AND, OR, XOR gates, and other components. Unlock advanced elements and create custom circuits in Playground Mode.

    ★ 4.8291 ratingsEducationFreeData updated 2026-09-09
  2. VoltSim - circuit simulator app icon

    VoltSim - circuit simulator

    Sindhu Gopi

    Design circuits and simulate electric or digital

    Design and simulate electronic circuits with components like resistors, capacitors, and transistors. View voltage, current, and signal data in real time. Use oscilloscopes and multimeters for measurement. Adjust and test circuits dynamically.

    ★ 4.418 ratingsEducationFreeData updated 2026-09-06
  3. Breadpad - SPICE Simulator app icon

    Breadpad - SPICE Simulator

    FreshBizOpps, LLC

    Simulate circuits and analyze signals

    Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.

    ★ 4.0136 ratingsDeveloper ToolsFreeData updated 2026-09-06
  1. iCircuit 3D app icon

    iCircuit 3D

    Krueger Systems, Inc.

    Design and test electronics projects in 3D

    Design and test electronics projects in a virtual workspace. Simulate circuits using over 150 components and 1,000 reference boards. Adjust 3D models and view physics-based interactions. Export project data and share designs.

    ★ 4.171 ratingsEducation$12.99Data updated 2026-09-06
  2. Logic Circuit Simulator app icon

    Logic Circuit Simulator

    Ali Mert TUFEKCI

    Simulate circuits and test designs

    Simulate circuits using components like AND, OR, NOT gates, flip-flops, and multiplexers. Build and test circuits with drag-and-drop components. View output through monitors and adjust inputs manually. Save and share designs.

    ★ 3.445 ratingsUtilities$2.99Data updated 2026-09-06
  3. VoltLab: Interactive Physics app icon

    VoltLab: Interactive Physics

    Denis Gladkii

    Build circuits, learn electricity, study offline

    Learn about electricity through lessons where users build circuits and adjust components to observe real-time results. Review lessons at any time and take quizzes with detailed step-by-step explanations.

    ★ 5.053 ratingsEducationFreeData updated 2026-09-06
  4. Tinkercad app icon

    Tinkercad

    Autodesk

    Design 3D models, circuits, and code

    Create 3D models using intuitive device-optimized controls. Design circuits, code, and simulate electronic components. Learn through hands-on projects. Access free, ad-free tools suitable for all ages.

    ★ 4.615,666 ratingsEducationFreeData updated 2026-09-06
  5. Circuitry - 3D Circuit Builder app icon

    Circuitry - 3D Circuit Builder

    Raffael Kaehn

    Build 3D circuits and analyze results

    Build and simulate 3D electrical circuits with real-time voltage and current calculations. Drag and drop components to create custom circuits. Analyze results instantly with detailed visual feedback. Export schematics and share designs.

    ★ 3.9154 ratingsEducationFreeData updated 2026-09-06
  6. iCircuit app icon

    iCircuit

    Krueger Systems, Inc.

    Design, simulate, and learn electronics now.

    The app allows users to design, simulate, and learn analog and digital electronics. Its simulation engine provides real-time analysis, enabling users to interact with powered circuits and observe results instantly.

    ★ 3.8134 ratingsProductivity$12.99Data updated 2026-09-15
  7. Electrical Engineering: Quiz app icon

    Electrical Engineering: Quiz

    Carlo Terracciano

    Calculate values

    Provides tools for calculations and theory. Users can explore Ohm's Law and resistor calculations. Access theoretical concepts in Basic Knowledge and practical exercises in and Advanced sections.

    ★ 4.911 ratingsProductivityFreeData updated 2026-09-14
  8. DCircuit Lab app icon

    DCircuit Lab

    Fabrizio Boco

    Simulate digital circuits step by step.

    The app simulates combinatorial and sequential digital circuits. Users can study circuit behavior through single-step or step-by-step simulations, with dynamic simulation for clock inputs and a timing chart.

    ★ 3.03 ratingsProductivity$3.99Data updated 2026-09-15
  9. Electronic Toolbox Pro app icon

    Electronic Toolbox Pro

    Marcus Roskosch

    Edit schematics, calculate values, and test circuits

    Manage components with a database of resistors, capacitors, and diodes. Calculate circuit values using Ohm’s Law and power formulas. Access schematics, datasheets, and component symbols. Convert units and view component ratings.

    ★ 4.7245 ratingsProductivity$12.99Data updated 2026-09-08
  10. Transistors Handbook app icon

    Transistors Handbook

    Centro Studi Informatica di Danilo Priore

    Design circuits with transistor data

    Learn about , including their function, structure, and applications. Search for transistor datasheets. Update and share transistor information with other users. Design circuits using transistor specifications.

    ★ 3.924 ratingsEducation$3.99Data updated 2026-09-08

How we rank alternatives

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