# Crazy Contraptions DRAW! vs Chain Reaction

The clearest difference is update cadence: Chain Reaction at every 2 days against Crazy Contraptions DRAW!'s fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Crazy Contraptions DRAW! sells 1 one-off in-app purchase and Chain Reaction sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Crazy Contraptions DRAW! ships an update fortnightly, Chain Reaction every 2 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Crazy Contraptions DRAW! | Chain Reaction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 367 MB | 206 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dave Shworan](https://appshunter.io/developer/1835045839) | [Abdul Aleem Allie](https://appshunter.io/developer/6794744988) |

## What reviewers say

### Crazy Contraptions DRAW!

[App page](https://appshunter.io/ios/app/crazy-contraptions-draw/id6802185694)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Chain Reaction

[App page](https://appshunter.io/ios/app/chain-reaction-machine-puzzle/id6817857268)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pouch of Coins | $0.99 | one-time |
| Handful of Sparks | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Golden Hour Theme | $3.99 | one-time |
| Sack of Coins | $4.99 | one-time |
| Jar of Sparks | $4.99 | one-time |
| Tesla Coil Pack | $4.99 | one-time |
| Premium Event Pass | $4.99 | one-time |
| Chest of Coins | $9.99 | one-time |
| Crate of Sparks | $14.99 | one-time |


## Frequently asked questions

### Is Crazy Contraptions DRAW! free?

Crazy Contraptions DRAW! is free to download, with in-app purchases available.

### Is Chain Reaction free?

Chain Reaction is free to download, with in-app purchases available.

### Do Crazy Contraptions DRAW! or Chain Reaction have ads?

Both Crazy Contraptions DRAW! and Chain Reaction show ads.

### Which is updated more often, Crazy Contraptions DRAW! or Chain Reaction?

Crazy Contraptions DRAW! ships an update fortnightly, and Chain Reaction every 2 days. Most recently, Crazy Contraptions DRAW! was updated on October 31, 2026 and Chain Reaction 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.*