# Contraptor — Build & Solve Physics Puzzles

> Physics puzzle game where players build machines to solve challenges and create their own. (iPhone/iPad app by John Coumerilh.)

- Source: https://appshunter.io/ios/app/contraptor/id6772646468 (this page in markdown: same URL + `.md`)
- Developer: [John Coumerilh](https://appshunter.io/developer/1157188388)
- Category: Games, Puzzle, Simulation
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 18.0 · 36 MB
- Languages: American English
- Released: 2026-09-15
- Data updated: 2026-09-18
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/contraptor/id6772646468/reviews.md

## What is Contraptor?

Contraptor is a physics playground where you build machines to solve hand-crafted puzzles. Drop in rods, wheels, pins, motors, and welds, wire up a contraption, hit Play, and let real physics decide how it works.  

Every challenge is a puzzle: get the payload (or many payloads) to the target(s) using whatever that challenge allows. Some let you shove pieces around, some ration your parts, some bend the rules with wormholes and moving hazards. Solve it and you've earned bragging rights. Then flip it around — design your own challenge, prove it's actually solvable if you'd like, and dare the community to crack it.

• Build with real 2D physics — mass, gravity, momentum, friction, bounce, damping, and even motors.
• Solve a growing library of community challenges
• Design your own, optionally prove they're solvable, and post them
• Rate and follow other builders, and climb the leaderboards
• Hands-on tutorials that teach every tool
• Universal — iPhone and iPad

Seeing a solution isn't the same as building one. That skill gap is the whole game.

Contraptor uses your iCloud account for community features (posting, rating, following, leaderboards, usernames). You can build, follow the tutorials, and browse and play everything in the Community without iCloud — it's only needed to post or interact. iCloud is free.

Designed by JohnCowMilk · Built in Xcode with Apple's Coding Intelligence and Claude · Physics by Box2D

## Key features

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


## Frequently asked questions about Contraptor

### What kind of gameplay does Contraptor offer?

Contraptor is a physics playground where you build machines using various components like rods, wheels, and motors to solve hand-crafted puzzles. It emphasizes real 2D physics simulation, allowing players to experiment with mass, gravity, momentum, and more.

### Can I play Contraptor offline?

You can build, follow tutorials, and browse/play community puzzles without an internet connection. iCloud is only required for posting your own creations, rating others, or interacting with leaderboards.

### Does Contraptor have multiplayer modes?

Contraptor focuses on a single-player experience for solving and creating puzzles. However, it features community interaction through leaderboards, rating other builders, and sharing custom challenges.

### How does Contraptor handle user-created content?

Players can design their own physics puzzles, optionally proving they are solvable, and then post them for the community to tackle. You can also rate and follow other builders.

### Is Contraptor suitable for younger players?

Contraptor is rated 4+ and is designed with hands-on tutorials that teach every tool, making it accessible. The physics-based gameplay can also be educational.

### How often is Contraptor updated?

The app was last updated on 2026-09-16, indicating active development. The description mentions a 'growing library of community challenges,' suggesting ongoing content additions.

### What devices does Contraptor support?

Contraptor is a universal app, meaning it is designed to work on both iPhone and iPad devices.

### Does Contraptor have ads?

No, Contraptor does not contain advertisements. The app is completely free to download and play without any ad interruptions.

## Version history (last 2 releases)

### 1.0.1 — 2026-09-16

Contraptions make sounds now! Pieces clack and thud as they collide — deeper for heavier parts, louder for harder hits. A new Collision Sounds control in Settings lets you set the volume or turn it off, separate from your win sound.

The Community tab now shows how many Challenges are still waiting for a solver — and how many are proven winnable. Be the first to crack one!

Report a Problem: hit a snag? Send it to the developer in one tap from Settings — no name, email, or personal info.

Notes from the developer now stick around in your Activity feed, so you can read them again anytime.

Copy & paste Wormholes: pasted Wormholes keep their settings, and a link between two holes you copy together comes along too. You can also Clone or Copy a single Wormhole.

Fixed: editing a name no longer jumps the cursor to the end when you type in the middle.

Fixed a rare crash when a contraption became wildly unstable, and another when saving a Challenge you'd just deleted.

Various stability and polish improvements.

### 1.0 — 2026-09-16

No release notes.

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## More apps by John Coumerilh

- [Cash Drawer Keeper](https://appshunter.io/ios/app/cash-drawer-keeper/id6451430691)

All apps by John Coumerilh: https://appshunter.io/developer/1157188388

## Related topics

[fantastic contraption](https://appshunter.io/ios/topics/fantastic-contraption)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-18.*