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Great! Spice on iOS.
This is a very well done full fledged spice frontend that has remarkably good performance despite being on a mobile platform. This may not include real part models (LM324 op amps or IRZ44 mosfets) though you can add your own subcircuit parts easily. The live current flow works great, though you need to adjust the time step to a much smaller interval than what the simulation otherwise needs to get it to work really well - which is to be expected. It's great for teaching or visualizing filters or switching circuits. Just remember to use electron flow - it actually reflects reality and the pin names of semiconductors only make sense in this context. The "convention" is looking at the flow bubbles instead of the flow of the water itself.Show lessMetacollin
Amazingly great
The developer listens to the users and this app just keeps getting better and better always fun to play around with a few circuit ideas or even for fault finding existing circuitsBroadbent30
Very useful app
I use this app quite often for design of simple circuits. It's much easier to use iCircuit instead of PC based solutions and much cheaper too! Sure, it doesn't do absolutely everything, but it covers all the basics well.I'mAReviewer
Great app
Well since this update I thought it might improve, but the amount of bugs is just so high. The fact that half the time the components act differently than they should prevents this app from being useful on even the simplest of circuits. Once those bugs are fixed though, this app will be great.Someone who loves this app #2
Good but not great
Roughy around the edges, is it worth the money?... Yes if you take it out of context of what apps should cost.old greg gregson
Very Good
Not perfect but very good. Works well and is intuitive to use. Have been using for 2 years. Good for quickly trying out things before getting out hardware.
Well done and thanks.Grubster999
Excellent app for a little basic electronics fun.
I enjoy this app a lot, a few tutorials would not go a stray though, I still haven't
Worked out the PORT component. I would also like to see some interaction
Between two devices like an iPad and an iPhone, Example : A timer circuit
On the iPad and the digital readout (Seven segment display) on the iPhone
Even a type of receiver circuit on the iPad and the audio circuit running on
The iPhone. Looking forward to an update. Well done, keep going !Show lessArt scence
Overall excellent!
This app is very well constructed. I am teaching a Circuits Course at a US university, and plan to integrate the app into my class room instruction. I like the current flow animation a lot. As many reviews have stated, this is a very intuitive app to run. They all should be like this!
The only reason I did not give 5 stars is that I have found some cases with dependent sources where it does not work (I think I have the syntax correct). If this were updated I would give this 5+ stars in a heartbeat. I even plan to draw all circuits schematics for HWs via this software. MUCH better than anything Microsoft has constructed. Well worth $10 for an instructor, and I would imagine also for students.Show lessslrommel
Pretty great app, probably blows away the competition, could still use some basic improvements
This app has most of the basic passive and active components you might need, plus some more complex parts like digital gates, op amp, and some larger packages. The simulation aspect also seems pretty accurate, I've built a working joule thief so it does inductive coupling in transformers accurately.
Some of my cons:
1 - Needs a delete button. I want to be able to quickly click on a part and then click the delete button, not hover for a second and wait for the bar to pop up, and sometimes it doesn't register.
2 - Needs discrete scope probes as parts you can add to the circuit. Maybe even voltmeter and ammeter parts that can be added. Like some SPICE sims have, it's more intuitive. And also the support for the probe itself to display whatever it's measuring right there on the circuit, maybe in a text label, so I don't have to switch back and forth from circuit to scope.
3 - The scrolling through parts could be better implemented. Sometimes it gets hung up because it doesn't know if I'm trying to scroll or drag a part. Maybe a separate bar to scroll with.
4 - More parts, of course, and also part folders with some kind of organization.
Overall though, it's a great app, the highest quality circuit sim you'll find. If you need to simulate, fork out the 10 bucks. It's worth it.Show lessKrb686
Exactly as the reviews say
So close to being good, but the bugs are pretty frustrating. And judging by how long reviews have said that, I doubt there are any plans to fix them.
Buy it if you want a super basic tool for playing with simple circuits on the go, but don't expect miracles or bulletproof operation.David Aurora
