# sketchbook 2 touch vs CN

The clearest difference is update cadence: sketchbook 2 touch at every 3 weeks against CN's every 2 months. sketchbook 2 touch also leads on iOS requirement (9.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

sketchbook 2 touch ships an update every 3 weeks, CN every 2 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | sketchbook 2 touch | CN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/sketchbook-2-touch/id1159545792/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 121 MB | 6 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tocho Marking Systems, Inc.](https://appshunter.io/developer/1159545791) | [CN-Seamless Inc.](https://appshunter.io/developer/1864413499) |

## What reviewers say

### sketchbook 2 touch

[App page](https://appshunter.io/ios/app/sketchbook-2-touch/id1159545792)

Control pin markers wirelessly from your handheld device. Save, retrieve, and mark files without needing a laptop in your workshop.

**Highlights:** Wireless operation via Wi-Fi, Control pin markers, File retrieval and saving, Marking file functionality, Tablet and phone compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### CN

[App page](https://appshunter.io/ios/app/cn-seamless/id6757765218)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sketchbook 2 touch free?

sketchbook 2 touch is free to download, with no in-app purchases.

### Is CN free?

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

### Do sketchbook 2 touch or CN have ads?

Neither sketchbook 2 touch nor CN shows ads.

### Which is updated more often, sketchbook 2 touch or CN?

sketchbook 2 touch ships an update every 3 weeks, and CN every 2 months. Most recently, sketchbook 2 touch was updated on November 2, 2026 and CN on October 25, 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.*