# Dessin Scale vs PerScaler

The clearest difference is in-app purchases: Dessin Scale at none against PerScaler's 1. PerScaler's advantage is ads (none vs shown) and update cadence (every 11 days vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PerScaler sells 1 one-off in-app purchase. Dessin Scale asks for nothing beyond the download.

Dessin Scale ships an update every 8 months, PerScaler every 11 days. The most recent releases landed on August 30, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Dessin Scale | PerScaler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dessin-scale/id1398684937/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 3 MB | 140 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haruki Sugaya](https://appshunter.io/developer/1395708904) | [12px, LLC](https://appshunter.io/developer/306578083) |

## What reviewers say

### Dessin Scale

[App page](https://appshunter.io/ios/app/dessin-scale/id1398684937)

Overlay a drawing scale onto your camera view to help plan your artwork's composition. Save your scaled images for later reference. Supports standard paper sizes like B and charcoal paper.

**Highlights:** Camera overlay scale, Composition planning tool, Save captured images, Supports B size paper, Supports charcoal paper size

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

**In-app purchases:** none


### PerScaler

[App page](https://appshunter.io/ios/app/perscaler/id6760159037)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.49 | one-time |


## Frequently asked questions

### Is Dessin Scale free?

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

### Is PerScaler free?

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

### Do Dessin Scale or PerScaler have ads?

Dessin Scale shows ads; PerScaler does not.

### Which is updated more often, Dessin Scale or PerScaler?

Dessin Scale ships an update every 8 months, and PerScaler every 11 days. Most recently, Dessin Scale was updated on August 30, 2026 and PerScaler on August 13, 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.*