# Pencil Pull vs Sync Duo

The clearest difference is in-app purchases: Sync Duo at none against Pencil Pull's 1. Sync Duo also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Pencil Pull sells 1 one-off in-app purchase. Sync Duo asks for nothing beyond the download.

## The numbers

| Metric | Pencil Pull | Sync Duo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | — |
| Size | 13 MB | 36 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Ekrem MUTLU](https://appshunter.io/developer/6818813962) | [Murat Erdem Bostancioglu](https://appshunter.io/developer/1454618949) |

## What reviewers say

### Pencil Pull

[App page](https://appshunter.io/ios/app/pencil-pull-logic-puzzle/id6820866050)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Sync Duo

[App page](https://appshunter.io/ios/app/sync-duo/id6821461669)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pencil Pull free?

Pencil Pull is free to download, with in-app purchases available.

### Is Sync Duo free?

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

### Do Pencil Pull or Sync Duo have ads?

Both Pencil Pull and Sync Duo show ads.

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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.*