EveryCircuit Free

EveryCircuit Free

1,000,000 - 5,000,000 downloads

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All joking aside, this time you will understand how electronic circuits work.

"I stumbled upon some serious gold" - GeekBeat.tv
"This app takes design to a whole new level of interactivity" - Design News

Build any circuit, tap play button, and watch dynamic voltage, current, and charge animations. This gives you insight into circuit operation like no equation does. While simulation is running, adjust circuit parameters with analog knob, and the circuit responds to your actions in real time. You can even generate an arbitrary input signal with your finger!

That's interactivity and innovation you can't find in best SPICE tools for PC like Multisim, LTspice, OrCad or PSpice (trademarks belong to their respective owners).

EveryCircuit is not just an eye candy. Under the hood it packs custom-built simulation engine optimized for interactive mobile use, serious numerical methods, and realistic device models. In short, Ohm's law, Kirchhoff's current and voltage laws, nonlinear semiconductor device equations, and all the good stuff is there.

Growing library of components gives you freedom to design any analog or digital circuit from a simple voltage divider to transistor-level masterpiece.

Schematic editor features automatic wire routing, and minimalistic user interface. No nonsense, less tapping, more productivity.

Simplicity, innovation, and power, combined with mobility, make EveryCircuit a must-have companion for high school science and physics students, electrical engineering college students, breadboard and printed circuit board (PCB) enthusiasts, and ham radio hobbyists.

Create an account to unlock the full functionality for a limited time. The full version will employ all of your imagination, and all the screen area of your tablet. Join EveryCircuit cloud community to store your circuits on cloud, access them from any of your devices, explore public community circuits and share your own designs. The app requires a permission to access your account for authentication in EveryCircuit community.

Thanks to Prof. N. Maghari for technical discussions, feedback, and help with designing circuit examples.

+ Growing public library of community circuits
+ Animations of voltage waveforms and current flows
+ Animations of capacitor charges
+ Analog control knob adjusts circuit parameters
+ Automatic wire routing
+ Oscilloscope
+ Seamless DC and transient simulation
+ Single play/pause button controls simulation
+ Saving and loading of circuit schematic
+ Mobile simulation engine built from ground-up
+ Shake the phone to kick-start oscillators
+ Intuitive user interface
+ No Ads

+ Sources, signal generators
+ Controlled sources (VCVS, VCCS, CCVS, CCCS)
+ Resistors, capacitors, inductors, transformers
+ Potentiometer, lamp
+ Switches, SPST, SPDT
+ Diodes, Zener diodes, light emitting diodes (LED)
+ MOS transistors (MOSFET)
+ Bipolar junction transistors (BJT)
+ Ideal operational amplifier (opamp)
+ Digital logic gates, AND, OR, NOT, NAND, NOR, XOR, XNOR

+ More components

If you like it, please rate, review, and buy!

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Recently changed in this version

All public circuits now have their own web pages
Page links can be shared
Description required to publish a circuit
Minimize oscilloscope by clicking on it
Account chooser issue resolved in sign-in dialog
Other minor issues resolved

Comments and ratings for EveryCircuit Free
  • (69 stars)

    by Sandip Pradhan on 25/07/2014

    thanx u for this app but some error plz motified it quickly

  • (69 stars)

    by Sunday Owen on 24/07/2014

    But more components should be introduced.

  • (69 stars)

    by Ryan Shier on 23/07/2014

    I always hate when a product all of a sudden decides to move from having a one time paid full version, to a service pay per week / month / year subscription. This is pretty crappy. You really should move back to your simple NON-subscription based pro version!!!

  • (69 stars)

    by raghavendra t.h on 23/07/2014


  • (69 stars)

    by David Sanchez on 22/07/2014

    Mind you i have the pro version of the app. Now dont get me wrong, its cool and all but it needs a 555 timer really bad to make this a even better app, once I see that inside the app I'll give it a 5 star. Your app needs a 555 timer to be better then the rest of them out there. Edit: That's great! When can we expect the next update? And will you be adding crystals as well? Edit2: Thank you not

  • (69 stars)

    by Ramtin Mehraeinfard on 22/07/2014

    Electronic engineer

  • (69 stars)

    by Daniel J Texzocotitla Silva on 22/07/2014

    So they whent from one time payment to monthly fees sorry but its not worth it dont waste your money, component library very limited.