# Motion Start vs iCircuit 3D

The clearest difference is price: Motion Start at Free against iCircuit 3D's $12.99. Motion Start also leads on rating (5.0 vs 4.1) and update cadence (monthly vs every 8 months). iCircuit 3D's advantage is ratings volume (72 vs 1). On ads, in-app purchases and device support there is nothing between them.

Motion Start is free to download; iCircuit 3D costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Motion Start holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: iCircuit 3D has 72 ratings behind it against 1, so its average is the more settled of the two.

Motion Start ships an update monthly, iCircuit 3D every 8 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Motion Start | iCircuit 3D |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/motion-start/id1217855314/reviews)** | [4.1 (72 ratings)](https://appshunter.io/ios/app/icircuit-3d/id1539977373/reviews) |
| Number of ratings | 1 | **72** |
| Positive reviews | — | 40.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | **Free** | Paid |
| Size | 284 MB | 142 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [T-Mobile Czech Republic a.s.](https://appshunter.io/developer/483686347) | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) |

## What reviewers say

### Motion Start

[App page](https://appshunter.io/ios/app/motion-start/id1217855314)

Experience the ease of connecting a car to a smart car service through virtual reality. This app simulates the connection of a smart car device to the OBD port and logging into the smart car service for use while driving. Requires VR glasses for operation.

**Highlights:** Virtual reality simulation, Smart car service connection, OBD port integration simulation, In-car driving experience, VR headset compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### iCircuit 3D

[App page](https://appshunter.io/ios/app/icircuit-3d/id1539977373)

Design, build, and test electronic circuits in a realistic 3D environment. This app offers a virtual workbench with over 150 simulated parts and tools to experiment with circuits, diagnose issues, and visualize component behavior.

**Highlights:** 3D virtual workbench, Real-time circuit simulation, 150+ physically simulated parts, Realistic component behavior, Magic smoke failure simulation, Import custom 3D models, Symbolic component library

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Motion Start free?

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

### Is iCircuit 3D free?

iCircuit 3D costs $12.99, with no in-app purchases.

### Which has better reviews, Motion Start or iCircuit 3D?

Motion Start is rated higher. Motion Start averages 5.0 out of 5 from 1 ratings, while iCircuit 3D averages 4.1 from 72 ratings.

### Do Motion Start or iCircuit 3D have ads?

Neither Motion Start nor iCircuit 3D shows ads.

### Which is updated more often, Motion Start or iCircuit 3D?

Motion Start ships an update monthly, and iCircuit 3D every 8 months. Most recently, Motion Start was updated on October 7, 2026 and iCircuit 3D on October 14, 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.*