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 61–80 of 1,000 ranked alternatives.

  1. Electronics Kit app icon

    Electronics Kit

    Siu Yuen Ho

    Calculate, measure, and test components

    Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.

    ★ 4.865 ratingsUtilitiesFreeData updated 2026-09-12
  2. Electronics docs & calcs app icon

    Electronics docs & calcs

    Anas Abubakar

    Design circuits, calculate values, reference components

    Electrohelper allows users to access reference information on electronic components and circuits. It includes tools for calculating various filter types such as Butterworth, Sallen-Key, Chebychev, and Bessel.

    ★ 4.414 ratingsEducationFreeData updated 2026-09-06
  3. Satrack app icon

    Satrack

    SATRACK INC DE COLOMBIA SERVISAT S A S

    Track vehicles, stream dashcams, manage billing, locate

    Locate vehicles in real-time and view their routes. Stream dashcam footage and check billing status. Query and control vehicle settings. Find nearby vehicles and navigate to them. Manage alarms and activate safe mode for notifications.

    ★ 4.8494 ratingsUtilitiesFreeData updated 2026-09-09
  1. Electrician Handbook — Basics app icon

    Electrician Handbook — Basics

    Sergey Vavaev

    Access theory, diagrams, and calculators offline

    ’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.

    ★ 4.8893 ratingsReferenceFreeData updated 2026-09-06
  2. Stanford Microsurgery and Resident Training app icon

    Stanford Microsurgery and Resident Training

    Harborlight Solutions LLC

    Information on microsurgery basics and components.

    The app offers microsurgical trainees information on the basics of microsurgery. It reviews fundamental components of this technically challenging area of plastic surgery.

    ★ 5.01 ratingsEducationFreeData updated 2026-10-14
  3. Algodoo app icon

    Algodoo

    Algoryx Simulation AB

    Build and test 2D physics scenes

    Create 2D scenes with realistic physics. Add and manipulate objects to simulate motion and interactions. Test designs for stability and functionality. Analyze forces and motion. Build and refine mechanical structures. Share creations with others.

    ★ 3.91,133 ratingsEntertainment$7.99Data updated 2026-09-08
  4. Digital Circuit Simulator Lite app icon

    Digital Circuit Simulator Lite

    Amran AlQasmi

    Design circuits with logic gates

    Create circuits using logic gates and basic building blocks. Wire components on a flexible plane. Simulate real-time behavior. Learn fundamental concepts of engineering and computer science.

    ★ 2.930 ratingsEducationFreeData updated 2026-09-11
  5. Jumpmaster PRO Study Guide app icon

    Jumpmaster PRO Study Guide

    DeCesha, Inc.

    Parachute components and jump master duties

    Learn parachute component names and characteristics. Complete over 1500 questions and flashcards. jump master duties and responsibilities. Review safety procedures for equipment rigging. Follow protocols for container and door bundle rigging.

    ★ 4.7287 ratingsEducation$4.99Data updated 2026-10-31
  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. Buildcraft app icon

    Buildcraft

    Lingyun Peng

    Explore, dig, and build worlds.

    The app offers sandbox-style gameplay with multiple games. Users can explore, dig, and build in a world made of cubes.

    ★ 3.6814 ratingsGamesFreeData updated 2026-10-23

How we rank alternatives

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