# Pen15! vs Lucida Studio Mobile

The clearest difference is price: Pen15! at Free against Lucida Studio Mobile's $0.99. Pen15! also leads on iOS requirement (18.4 vs 26.4). Lucida Studio Mobile's advantage is update cadence (every 5 days vs fortnightly) and chart position (#58 vs unranked). On rating, review sentiment, ratings volume and ads there is nothing between them.

Pen15! is free to download; Lucida Studio Mobile costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Pen15! against 5.0 for Lucida Studio Mobile. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Pen15! ships an update fortnightly, Lucida Studio Mobile every 5 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pen15! | Lucida Studio Mobile |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pen15/id6758732596/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lucida-studio-mobile/id6760478801/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#58** |
| Size | 4 MB | 17 MB |
| Requires iOS | **18.4** | 26.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Collins](https://appshunter.io/developer/1874651756) | [Joseph Shoop](https://appshunter.io/developer/1881801730) |

## 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


### Lucida Studio Mobile

[App page](https://appshunter.io/ios/app/lucida-studio-mobile/id6760478801)

**Currently charting:** #58 Top Paid · Graphics & Design (US App Store)

This app uses augmented reality to overlay images onto your drawing surface, acting as a modern digital camera lucida. It helps artists improve perspective and proportion by allowing them to trace scenes and portraits with greater accuracy. Ideal for intuitive artistic endeavors.

**Highlights:** Augmented reality image overlay, Digital camera lucida functionality, Assists with perspective and proportion, Intuitive artistic tracing, Overlay images on surfaces

**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 Lucida Studio Mobile free?

Lucida Studio Mobile costs $0.99, with no in-app purchases.

### Which has better reviews, Pen15! or Lucida Studio Mobile?

Pen15! and Lucida Studio Mobile are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Pen15! or Lucida Studio Mobile have ads?

Neither Pen15! nor Lucida Studio Mobile shows ads.

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

Pen15! ships an update fortnightly, and Lucida Studio Mobile every 5 days. Most recently, Pen15! was updated on October 16, 2026 and Lucida Studio Mobile 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.*