# Circuitry vs Engine Visualization 3D & AR

Circuitry and Engine Visualization 3D & AR both sit at 3.9 stars, but that hides the real split: 83% of Engine Visualization 3D & AR's written reviews are positive against 51% of Circuitry's. Engine Visualization 3D & AR also leads on update cadence (every 4 weeks vs every 4 months). Circuitry's advantage is ratings volume (155 vs 7). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.9 for Circuitry against 3.9 for Engine Visualization 3D & AR. That said, the two scores are not equally well evidenced: Circuitry has 155 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 51% of Circuitry's written reviews are positive against 83% of Engine Visualization 3D & AR's.

Circuitry ships an update every 4 months, Engine Visualization 3D & AR every 4 weeks. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Circuitry | Engine Visualization 3D & AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (155 ratings)](https://appshunter.io/ios/app/circuitry-3d-circuit-builder/id1476733898/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/engine-visualization-3d-and-ar/id1477436315/reviews) |
| Number of ratings | **155** | 7 |
| Positive reviews | 51.4% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 35 MB | 68 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raffael Kaehn](https://appshunter.io/developer/1234032836) | [DEVDEN CREATIVE SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1459843671) |

## What reviewers say

### Circuitry

[App page](https://appshunter.io/ios/app/circuitry-3d-circuit-builder/id1476733898)

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.

**Highlights:** 3D circuit building, GPU-accelerated analysis, Intuitive 3D interface, Document-based circuit files, Component placement and connection, Resistor, voltage source, light bulb components

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Cool game idea
- 👍 Nice and 3D interface
- 🚀 Easy to use and perfect 3D
- 👍 Fun and simple
- 👍 Beautifully visual and interactive

**What reviewers complain about**

- 😞 Missing many components
- 😞 Limited functionality
- 😞 Not useful for professional work
- 😞 Inaccurate electrical simulation
- 😞 App is broken/crashes

**Reported bugs**

- 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

**Requested features**

- 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


### Engine Visualization 3D & AR

[App page](https://appshunter.io/ios/app/engine-visualization-3d-and-ar/id1477436315)

Explore engine mechanics in 3D and augmented reality. Visualize internal components, understand functions, and interact with a realistic engine model. Features include X-ray view, RPM control, and voice assistance for pronunciation.

**Highlights:** 3D engine visualization in AR, X-ray view of internal parts, Interactive scale, position, and rotation, RPM control with sound replication, Voice assistance for part identification, Non-AR mode available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circuitry free?

Circuitry is free to download, with no in-app purchases.

### Is Engine Visualization 3D & AR free?

Engine Visualization 3D & AR is free to download, with no in-app purchases.

### Which has better reviews, Circuitry or Engine Visualization 3D & AR?

Circuitry is rated higher. Circuitry averages 3.9 out of 5 from 155 ratings, while Engine Visualization 3D & AR averages 3.9 from 7 ratings.

### Do Circuitry or Engine Visualization 3D & AR have ads?

Neither Circuitry nor Engine Visualization 3D & AR shows ads.

### Which is updated more often, Circuitry or Engine Visualization 3D & AR?

Circuitry ships an update every 4 months, and Engine Visualization 3D & AR every 4 weeks. Most recently, Circuitry was updated on September 25, 2026 and Engine Visualization 3D & AR on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*