# Circuit Laboratory

> Electronic circuit analysis and simulation tool with graphical drawing capabilities. (iPhone/iPad app by Fabrizio Boco.)

- Source: https://appshunter.io/ios/app/circuit-laboratory/id1042205580 (this page in markdown: same URL + `.md`)
- Developer: [Fabrizio Boco](https://appshunter.io/developer/466239616)
- Category: Productivity, Education
- Price: $5.99
- Rating: 3.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 128 MB
- Languages: American English, Italian
- Released: 2015-10-03
- Data updated: 2026-08-23
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/circuit-laboratory/id1042205580/reviews.md

## What is Circuit Laboratory?

Circuit Lab is an electronic circuit analysis tool based on the modified node analysis method. 

Four kind of analysis may be conducted: 

- DC: linear and non linear circuits with continuous voltage and current sources; 
- AC: linear e non linear circuits with sinusoidal voltage and current sources; 
- Multifrequency AC Analysis: linear and non linear circuits with sinusoidal voltage and current sources. It allows to analyze the circuit behavior in a range of frequencies. Useful to study the bandwidth of the circuit; 
- Transient: linear and non linear circuits, with sinusoidal and pulse voltage sources (available as In App Purchases). 

User can graphically draw the circuit and then the circuit can be analyzed. 

Circuit may be controlled by means of the following gestures: 

- Drag: to move the circuit into the desired position 
- Tap on a component: to modify the component's parameters 
- Pinch: to zoom in and out 
- Double Finger Double Tap: to reset position and zoom level to the original values 

Tapping DC button, user gets voltage at each circuit's node. 

Tapping AC button, user gets voltage phasors at each circuit node or the bode graph of the voltage at each circuit node (see BJT 16 - Common Emitter).

Phasor graphs may be controlled by means of the following gesture: 

- Drag: to move the graph into the desired position 
- Pinch: to zoom in and out 
- Double Finger Double Tap: to reset position and zoom level to the original values 

Pressing Transient button, user can analyze circuit's behavior during time and get graphs of voltages and currents function of time. 

Each circuit can contain: 

- Resistors 
- Capacitors 
- Inductors 
- Mutual Coupled Inductors 
- Independent sinusoidal voltage generators 
- Independent pulse voltage generators 
- Independent sinusoidal current generators 
- Controlled voltage generators 
- Controlled current generators 
- Operation Amplifier 
- Diodes 
- Zener Diodes 
- Bjt NPN and PNP 
- Channel-N and Channel-P JFet
- Channel-N and Channel-P Mosfet

For each component, a short video is available to demonstrate how to insert it into the circuit and edit it's characteristics. 

Circuits may be easily stored and reused. 

User can print: 

- Circuits and component's list 
- Transient Analysis graphs 

Circuits can be easily shared through iCloud, by mail in the internal format so that can be reused by other users (on iPad too) and in PDF format. 

Visit my site for video tutorials and details about operational amplifier's internal model and diode's internal model.

## Key features

- DC, AC, Multifrequency AC, and Transient Analysis
- Graphical circuit drawing
- Component parameter editing
- Voltage and current graphing
- Support for diverse electronic components
- Circuit saving and sharing
- Video tutorials for components

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/circuit-laboratory/id1042205580/reviews.md

### 3/5 — Cannot use widescreen mode on I-pad

*2020-02-20*

When selecting items to put on the board it will not allow you to add it unless you rotate the iPad upright.

## Frequently asked questions about Circuit Laboratory

### What types of circuit analysis does Circuit Laboratory offer?

Circuit Laboratory offers DC analysis for linear and non-linear circuits, AC analysis for sinusoidal sources, multifrequency AC analysis to study bandwidth, and transient analysis for behavior over time with sinusoidal and pulse sources.

### Can I draw and edit circuits within Circuit Laboratory?

Yes, you can graphically draw circuits and then tap on individual components to modify their parameters. Gestures like drag and pinch are supported for navigation and zooming.

### What electronic components are supported in Circuit Laboratory?

The app supports a wide range of components including resistors, capacitors, inductors, various voltage and current generators, operational amplifiers, diodes, BJTs, JFETs, and MOSFETs.

### How can I share my circuits or analysis results?

Circuits can be easily shared through iCloud or email in the internal format for reuse by others, or exported as a PDF. Transient analysis graphs can also be printed.

### Does Circuit Laboratory have ads?

No, Circuit Laboratory does not contain advertisements.

### What is the price of Circuit Laboratory?

Circuit Laboratory is a paid application priced at $5.99.

### What devices is Circuit Laboratory compatible with?

Circuit Laboratory is available for iPhone and iPod devices.

### How often is Circuit Laboratory updated?

The latest version is 8, and the app was last updated on November 17, 2021.

## Version history (last 5 releases)

### 9.0.0 — 2026-06-23

Bug Fixing and performance improvements

### 8 — 2021-11-17

Bug Fixing and performance improvements

### 7 — 2018-09-24

New and more usable user interface
New video tutorials
Stability Improved
Bug fixed
Updated to work with iPhone Xs / Xs Max
Updated to iOS 12

### 6.1 — 2017-09-12

Pulse Voltage Generator: Added a reference waveform to help user to enter signal information

### 6.0 — 2017-06-07

- Designing new circuits is made easier and faster by dragging and dropping components
- New and more useful example circuits

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## More apps by Fabrizio Boco

- [Matrix Lab](https://appshunter.io/ios/app/matrix-lab/id337754158)
- [DCircuit Lab](https://appshunter.io/ios/app/dcircuit-lab/id382544208)
- [DCircuit Lab HD](https://appshunter.io/ios/app/dcircuit-lab-hd/id392966166)
- [Bode & Nyquist](https://appshunter.io/ios/app/bode-and-nyquist/id445573307)
- [Arduino Manager](https://appshunter.io/ios/app/arduino-manager/id497240094)
- [Logic Analyzer](https://appshunter.io/ios/app/logic-analyzer/id980880317)

All apps by Fabrizio Boco: https://appshunter.io/developer/466239616

## Related topics

[voltage lab](https://appshunter.io/ios/topics/voltage-lab) · [circuit go](https://appshunter.io/ios/topics/circuit-go)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*