CRUMB Circuit Simulator v1.0.3
CRUMB is a 3D circuit simulator that lets you build and test electronic circuits on a virtual breadboard, no real parts needed. Place resistors, transistors and chips, wire them up, and watch the circuit react in real time with a built-in oscilloscope.
Download options
No hosted APK file available
Official store link
Version
1.0.3
File Size
54 MB
Developer
Vital Group Ltd
Screenshots & Preview
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Frequently Asked Questions
Common inquiries regarding CRUMB Circuit Simulator installation & verification
What is CRUMB Circuit Simulator?
A 3D circuit simulator that lets you build and test electronic circuits on a virtual breadboard, without buying real parts.
Who made CRUMB?
Vital Group Ltd, led by developer Mike Bushell.
Is CRUMB still on Google Play?
No. It was removed from Google Play in May 2026 after about three years there. The desktop version is still sold on Steam.
Was CRUMB free?
No, the Android version sold for $6.99 on Google Play.
Can you program circuits in CRUMB?
Yes. It includes a code editor for programming an EEPROM and Arduino-style boards, plus an oscilloscope and analysis views.
Do you need internet to use CRUMB?
No, it is an offline sandbox for learning electronics.
CRUMB Circuit Simulator
Productivity · 54 MB