# Pen15! vs Sketchbook Studio

The clearest difference is update cadence: Sketchbook Studio at daily against Pen15!'s fortnightly. 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.

Pen15! ships an update fortnightly, Sketchbook Studio daily. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pen15! | Sketchbook Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pen15/id6758732596/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 4 MB | 3 MB |
| Requires iOS | 18.4 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Collins](https://appshunter.io/developer/1874651756) | [Alfred Ang](https://appshunter.io/developer/1880940227) |

## What reviewers say

### Pen15!

[App page](https://appshunter.io/ios/app/pen15/id6758732596)

Unleash your creativity with a digital sketchbook designed for fun. Explore a variety of unique pens to bring your artistic visions to life.

**Highlights:** Digital sketchbook, Variety of fun pens, Creative sketching tool, Intuitive interface

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

**In-app purchases:** none


### Sketchbook Studio

[App page](https://appshunter.io/ios/app/sketchbook-studio/id6782660312)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pen15! free?

Pen15! is free to download, with no in-app purchases.

### Is Sketchbook Studio free?

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

### Do Pen15! or Sketchbook Studio have ads?

Neither Pen15! nor Sketchbook Studio shows ads.

### Which is updated more often, Pen15! or Sketchbook Studio?

Pen15! ships an update fortnightly, and Sketchbook Studio daily. Most recently, Pen15! was updated on October 16, 2026 and Sketchbook Studio 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.*