# Sketch Chain vs デュオパーク

The clearest difference is in-app purchases: デュオパーク at none against Sketch Chain's 4. Sketch Chain's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Sketch Chain sells 4 one-off in-app purchases. デュオパーク asks for nothing beyond the download.

Sketch Chain ships an update every 3 days, デュオパーク every 2 days. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Sketch Chain | デュオパーク |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 66 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Yanamoto](https://appshunter.io/developer/1721292844) | [Rin Shimizu](https://appshunter.io/developer/6776107513) |

## What reviewers say

### Sketch Chain

[App page](https://appshunter.io/ios/app/sketch-chain/id6766871529)

This is a drawing and guessing party game where players create hilarious chains of prompts and drawings. It's perfect for playing with friends over video calls or with random players worldwide, and you don't need to be an artist to play.

**Highlights:** Draw-and-guess gameplay, Play with friends via room code, Random matchmaking, Daily prompts, Customizable avatars, Shareable game results

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Party Pack | $2.99 | one-time |
| Twist Pack | $2.99 | one-time |
| Art Pack | $2.99 | one-time |
| SketchEcho Plus | $5.99 | one-time |


### デュオパーク

[App page](https://appshunter.io/ios/app/2/id6776107510)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sketch Chain free?

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

### Is デュオパーク free?

デュオパーク is free to download, with no in-app purchases.

### Do Sketch Chain or デュオパーク have ads?

Both Sketch Chain and デュオパーク show ads.

### Which is updated more often, Sketch Chain or デュオパーク?

Sketch Chain ships an update every 3 days, and デュオパーク every 2 days. Most recently, Sketch Chain was updated on October 3, 2026 and デュオパーク on September 28, 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.*