Explain 3D FREE vs Circuitry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Explain 3D FREE
Explore interactive 3D simulations to understand how various systems and objects function. This free version includes a 4-stroke engine simulation, with more available in the full version. It aims to make learning engaging and fun through detailed models and animations.
- Interactive 3D simulations
- Understand how things work
- Car engine simulation (free)
- Detailed 3D models and animations
- Engaging educational content
- Intuitive interface
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Explain3D success: ***TOP 25 GEW - Global start up competition finalist 2013 (http://www.cnbc.com/id/101168347/page/6)*** Explain3D is system of interactive simulations, that can help you to explain, how things work. Simulations are built in interactive 3D environment, which brings fun to education and helps understand the stuff. Simulations in FREE version: - Car workshop - 4 stroke engine, Simulations in FULLversion: - Car workshop - 4 stroke engine, Car clutch, Manual transmission, Disc brakes, Ignition system - Discover the Universe - ISS space station, Space shuttle, Solar system - Electricity around us - Hydroelectric dam, Wind turbine, Nuclear power plant - Transport simulations - Railroad switch, Submarine, Jet engine - Our homes - Lock and key, Elevator, Toilet, Desk Lamp - Tools - Jackhammer, Hand pump Features: - Interactive 3D environment - simple and intuitive interface - description of main parts of simulations / objects - nice 3D models and animations - great to make education more engaging and interesting
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
Screenshots
Verdict
The clearest difference is rating: Circuitry at 3.9 against Explain 3D FREE's 2.0. Circuitry also leads on review sentiment (51% vs 14%) and ratings volume (156 vs 5). Explain 3D FREE's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Circuitry holds the better App Store score, 3.9 against 2.0. That said, the two scores are not equally well evidenced: Circuitry has 156 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 14% of Explain 3D FREE's written reviews are positive against 51% of Circuitry's.
Explain 3D FREE ships an update every 6 weeks, Circuitry every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Explain 3D FREE | Circuitry |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (5 ratings) | 3.9 (156 ratings) — better |
| Positive reviews | 14.3% of reviews | 51.4% of reviews — better |
| Number of ratings | 5 | 156 — better |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 84 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Explain 3D | Raffael Kaehn |
Customer experience
Explain 3D FREE
Circuitry
Bugs and requests
Explain 3D FREE
Not enough reviews yet to summarise bugs or 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
In-app purchases
Explain 3D FREE
No in-app purchases
Circuitry
No in-app purchases
Questions
Is Explain 3D FREE free?
Is Circuitry free?
Which has better reviews, Explain 3D FREE or Circuitry?
Do Explain 3D FREE or Circuitry have ads?
Which is updated more often, Explain 3D FREE or Circuitry?
Other comparisons
