# Twinin vs Ardoise Simple

The clearest difference is price: Twinin at Free against Ardoise Simple's $0.99. Ardoise Simple's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Twinin is free to download; Ardoise Simple costs $0.99 up front. Twinin sells 1 one-off in-app purchase. Ardoise Simple asks for nothing beyond the download.

Twinin ships an update fortnightly, Ardoise Simple weekly. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Twinin | Ardoise Simple |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Paid |
| Size | 9 MB | 7 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [YUUSUKE HARASAWA](https://appshunter.io/developer/664328221) | [JULIEN GEORGES FRANCIS FONTANA](https://appshunter.io/developer/1819916903) |

## What reviewers say

### Twinin

[App page](https://appshunter.io/ios/app/twinin/id6746599165)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twinin pro | $1.99 | one-time |


### Ardoise Simple

[App page](https://appshunter.io/ios/app/ardoise-simple/id6747117461)

A digital slate designed for seamless drawing, writing, and sketching with unparalleled precision and fluidity. Offers intuitive tools like a color palette, adjustable transparency, and a ruler mode for creative expression and efficient note-taking.

**Highlights:** Precise drawing and writing, Intuitive color palette, Adjustable transparency, Smart eraser, Ruler mode for straight lines, Minimalist interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Twinin free?

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

### Is Ardoise Simple free?

Ardoise Simple costs $0.99, with no in-app purchases.

### Do Twinin or Ardoise Simple have ads?

Twinin shows ads; Ardoise Simple does not.

### Which is updated more often, Twinin or Ardoise Simple?

Twinin ships an update fortnightly, and Ardoise Simple weekly. Most recently, Twinin was updated on October 30, 2026 and Ardoise Simple on October 26, 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.*