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iCircuit

iCircuit is a fun and educational app for designing and experimenting with circuits. Its advanced simulation engine can handle both analog and digital circuits and features realtime always-on analysis. It is the perfect companion to students, hobbyists, and engineers.
You use it as you would any CAD program: you add elements, connect them together, and set their properties.

But iCircuit is unlike other CAD programs because it is always simulating. It's just like working with the real circuit. You do not stop to take a measurement or spend a lot of time configuring reports. Instead, you just play with the circuit as you normally would, with the power on!

There are over 30 elements you can use to build your circuits. The app has everything from simple resistors, to switches, to MOSFETS, to digital gates.

The app features a multimeter that you use to probe around the circuit to instantly read voltages and currents. If you want to see how a value changes over time, then you can add values to the built-in oscilloscope. The scope can simultaneously track many signals over time and features a touch interface to control the total time displayed and stacked and unstacked modes to easily compare signals.

Supported elements include:


* Signal generators, Voltage sources, Current sources, and Dependent sources
* Resistors, Capacitors, and Inductors
* Manual SPST/SPDT Switches, Push buttons, and Relays
* Diodes, BJ Transistors, and MOSFETs
* Speakers, Microphones, Buzzers, DC Motors, and LEDs
* ADCs, and DACs
* Logic gates: AND, OR, NAND, NOR, XOR
* JK and D Flip-flops
* 37 7400 series digital parts
* 7-segment display and driver

No matter your profession, we're sure you'll be amazed by iCircuit!

Category : Productivity

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Reviews (27)

dan. b. Jun 12, 2021     

The app doesnt open in android tablets,i uninstalled to see if it willsolve the problem but it stil does it,it anrca tablet

Mik. T. Aug 17, 2021     

The application do not have a 4-way switch why.

Joh. P. Dec 30, 2015     

And loved it for a long time, until something screwed it up on the S5, where I can't type or change any values. PLS FIX T_T..... wait bumping it up to a 4 star, ut works with the free floating keyboard but not the normal one, but yeah other than that this app is the best one you'll find on any phone

Ter. T. Jul 5, 2016     

This app is a great tool. But on my new model android tablet I always have trouble naming a component and manually typing in a new value on a component. I can tap on the area where the value goes in many, many times and it still won't bring up the cursor for me to type a component name or value. It can get very frustrating at times. My iPhone, no problems. Please fix this or if there is a fix already, please advise. Cheers.

Sai. M. Sep 3, 2015     

Had this app on my iPhone and it worked wondrously, got a galaxy S5 and now I can't change any values by typing. I tried changing an opamp rail voltage to + and -5V but it won't let me type, keyboard shows up but typing does nothing, please fix!

Nic. Z. Apr 19, 2015     

Coming out of wire laying mode in the new version doesn't always work.

Eri. S. May 18, 2015     

Emailed developer who said it would be fixed in a future update but that was a long time ago.

Joe. C. May 4, 2016     

The height and width of the grid seems to be fixed at 1024x1024. Changed many times but still goes back to 1024x1024 on its own.

Ant. M. May 4, 2017     

Issues galore If there had been a trial version of this app for Android, I would not have bought the paid version. It is definitely lacking. No consistent between Android and iOS. Android is very by. Do not recommend until fixed. When fixed, will add more stars.

Mik. L. Aug 14, 2015     

If you are trying to evaluate a rise time or something, look elsewhere. This is more of a basic teaching tool than a real useful sim. Nice for what it is. Easy to use and decent results. But what it is is very limited. If you are just learning, go for it. It's fun and the animated current flows help visualize what's happening.

Ste. F. Apr 15, 2016     

Useless anymore for over a year. Samsung Note 4

Dan. A. Apr 19, 2016     

This was a really good concept. Development has been stalled for over a year. Sub-circuits break the app several UI functions do nothing. Many random crashes.

Jef. V. Jan 19, 2018     

Much better on the iPhone. This Android version is okay, but there needs to be a way to change names of parts, voltage of AC sources, etc. Needs a lot of work.

Hug. B. Mar 19, 2016     

I am unable to change the values of components or name the components using the keyboard. Please advise!

and. m. May 18, 2016     

Can you add some more components for example a overload

Wil. F. May 4, 2016     

Lots of elements to fiddle around with.

Thu. May 19, 2016     

Andriod download = crap. Iphone download = ?. Windows version = even bigger crap. Mac version = excellent. ( hence icircuit ) ( probably first built with swift then lazynes kicked in)(hence the miss spelling of laziness)

Dav. Y. Apr 10, 2015     

The lollipop update is awesome. Keep up the good work.

Reh. G. May 4, 2015     

So far the best app I found for simulating circuits. Keep it up.

Jos. P. Apr 30, 2015     

Best Circuit App on android. I love the ability to use real sensors on the device.

Mak. L. Apr 15, 2015     

Very nice now that its been updated for L

Nat. F. Sep 4, 2015     

The best mobile circuit app

Isa. D. Aug 6, 2015     

Subcircuits need to be fixed. Otherwise, great simulator!

Isa. E. Dec 29, 2017     

It has been over a year and no sign of progress on subcircuits.

A. G. u. Sep 21, 2012     

Forced full screen (i.e. no system status bar). No time reset. Various other UI faults. Still the best one on Android that I've used. A transmission line element would be nice. CORRECTION: tap one node, then another to add wire. Convenient.

A. G. u. Sep 20, 2012     

Fun way to learn about circuits. This app has a lot of potential. Some brief onboarding instructions would make the initial interaction smoother. Commonly used buttons could appear around the edges instead of being buried in a menu. Please keep revising and polishing this useful app.

KLR. Dec 9, 2012     

App will not run on any tablet I own except the Nexus 7. On all others it crashes as soon as you try to do something with it. Crashes often on the Nexus also. I haven't really been able to do anything with it due to the crashing problem. Vendor does not respond to questions for help.