Circuitry vs Engineering & FE Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Circuitry
Build and simulate electronic circuits in an intuitive 3D environment. This app offers lightning-fast analysis and a user-friendly interface, making complex engineering accessible. Circuits are saved as documents for easy sharing and management across devices.
- 3D circuit building
- GPU-accelerated analysis
- Intuitive 3D interface
- Document-based circuit files
- Component placement and connection
- Resistor, voltage source, light bulb components
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Welcome to Circuitry - the world's first and only 3D circuit builder! INSANELY FAST Circuitry uses an optimized, GPU-accelerated network analysis algorithm that will blow your mind. It can calculate the voltages and currents of even the largest circuits in the blink of an eye - an insanely fast blinking eye! SUPER DUPER EASY TO USE While most circuit simulators are stuck in the stone age when it comes to usability, Circuitry takes you on a time-travel journey to the future. Its' 3D interface and intuitive controls will instantly feel familiar - no lengthy tutorials required. DOCUMENT-BASED Every circuit you build in Circuitry is a file. That way, they integrate perfectly into your existing files and can be used exactly the same way: you can duplicate and modify them, share them, and they are available to you on all your devices. HOW TO USE: 1. Place components by dragging from the toolkit to the canvas. 2. Connect components by tapping the sides of the components in cabling mode. 3. Delete or modify components by long pressing on them. AVAILABLE COMPONENTS: - Resistor - Voltage source - Light bulb
Engineering & FE Prep
Prepare for your Fundamentals of Engineering (FE) exam with this comprehensive study tool. Review key engineering topics, practice with quizzes and exams, and analyze your performance to identify areas for improvement. Tailored for various engineering disciplines, it offers on-the-go learning to help you pass with confidence.
- 10+ Engineering topics reviewed
- Practice exams
- Test analysis with score and missed questions
- Flashcards
- Review over 15+ Engineering topics and quizzes
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Worried about your Fundamentals of Engineering exam? Need to quickly review and prep for Engineering exams or specific subjects? EnginPeer's Prep app will help you pass with flying colors - all on the go! Everything you need to know to ace your FE, right at your fingertips. Some topics are tailored for the Civil FE Exam, however, most subjects are found on other exams as well, such as Mechanical, Environmental, Chemical, Industrial, and more! Install the free version to get started on studying over 15+ Engineering topics and quizzes, all covered in the FE. Unlock more content and quizzes as you go. EnginPeer's FE Review app includes: - 10+ Engineering topics, thoroughly broken into manageable sections to review. - Practice exams to perfect your knowledge. - Test analysis after each attempt - View your score, which questions you missed, and review them! - and Flashcards! Reviewed categories include: - Engineering Ethics and Practices - Mathematics - Probability and Statistics - Engineering Economics - Statics - Dynamics - Fluid Mechanics - Hydraulics - Mechanics of Materials - Geotechnical Engineering - Structural Engineering - Surveying - Transportational Engineering - Construction Engineering
Screenshots
Verdict
The clearest difference is rating: Engineering & FE Prep at 4.5 against Circuitry's 3.9. Engineering & FE Prep also leads on update cadence (every 2 weeks vs every 4 months). Circuitry's advantage is in-app purchases (none vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Engineering & FE Prep sells 1 one-off in-app purchase. Circuitry asks for nothing beyond the download.
Engineering & FE Prep holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 155 and 171 respectively. Written reviews point the same way: 54% of Circuitry's written reviews are positive against 62% of Engineering & FE Prep's.
Circuitry ships an update every 4 months, Engineering & FE Prep every 2 weeks. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.
| Parameter | Circuitry | Engineering & FE Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (155 ratings) | 4.5 (171 ratings) — better |
| Positive reviews | 54.3% of reviews | 61.5% of reviews — better |
| Number of ratings | 155 | 171 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Raffael Kaehn | EnginPeers LLC |
Customer experience
Circuitry
Engineering & FE Prep
Bugs and requests
Circuitry
Reported bugs
6 issues- App crashes on launch
- App doesn't work after download
- Blank white screen on opening
- App won't open, only shows a folder
- Lights won't turn on
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- Cannot close circuits properly
Requested features
14 requests- Add more components (diodes, transistors, capacitors, inductors, speakers, microphones, resistors, switches, LEDs, displays, transformers)
- Add labels/names for components
- Add intensity and voltage for cables
- Add undo/redo buttons
- Add tutorials or guidance videos
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- Allow moving placed components
- Add polarity for components
- Add graphical representation of current flow
- Add export of 2D schematic
- Support DC and AC circuits
- Allow use of virtual meters
- Add oscilloscope function (graph vs time)
- Improve UI intuitiveness
- Add sample circuits
Engineering & FE Prep
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Circuitry
No in-app purchases
Engineering & FE Prep
- Premium Content$4.99
Questions
Is Circuitry free?
Is Engineering & FE Prep free?
Which has better reviews, Circuitry or Engineering & FE Prep?
Do Circuitry or Engineering & FE Prep have ads?
Which is updated more often, Circuitry or Engineering & FE Prep?
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