# Contraptor vs Things In Motion

The clearest difference is in-app purchases: Contraptor at none against Things In Motion's 3. Things In Motion's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Things In Motion sells 3 one-off in-app purchases. Contraptor asks for nothing beyond the download.

Contraptor ships an update every 5 days, Things In Motion every 4 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Contraptor | Things In Motion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/contraptor/id6772646468/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 41 MB | 26 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [John Coumerilh](https://appshunter.io/developer/1157188388) | [Mitali Pandey](https://appshunter.io/developer/6816730273) |

## What reviewers say

### Contraptor

[App page](https://appshunter.io/ios/app/contraptor/id6772646468)

Create intricate machines to solve physics-based puzzles. Design your own challenges, share them with the community, and compete on leaderboards. Learn physics principles through hands-on tutorials.

**Highlights:** Build with real 2D physics, Solve community challenges, Design and share custom puzzles, Climb leaderboards, Hands-on tutorials, Universal app for iPhone and iPad

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Things In Motion

[App page](https://appshunter.io/ios/app/things-in-motion/id6816730271)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Magnet Pack | $2.99 | one-time |
| Boom & Bang Pack | $2.99 | one-time |
| Full Workshop | $4.99 | one-time |


## Frequently asked questions

### Is Contraptor free?

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

### Is Things In Motion free?

Things In Motion is free to download, with in-app purchases available.

### Do Contraptor or Things In Motion have ads?

Neither Contraptor nor Things In Motion shows ads.

### Which is updated more often, Contraptor or Things In Motion?

Contraptor ships an update every 5 days, and Things In Motion every 4 days. Most recently, Contraptor was updated on October 31, 2026 and Things In Motion on October 24, 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.*