Dessin Scale vs PerScaler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dessin Scale
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.
- Camera overlay scale
- Composition planning tool
- Save captured images
- Supports B size paper
- Supports charcoal paper size
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This application allows you to display a drawing scale on the camera. It also supports saving of captured images. Please use it to determine the composition of your drawing. ■Supported sizes B size Charcoal paper size
PerScaler
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Turn your photos into drawing references. PerScaler is a camera app designed to help you prepare photos for drawing and sketching. Crop your images, adjust perspective, and refine the composition to create references that are easier to draw from. Built with simplicity and speed in mind, PerScaler is a photo tool made specifically for artists. Key Features - Import photos from your library - Cropping - Transform (perspective & skew correction) - Composition adjustment Perfect for - Figure drawing references - Gesture drawing (croquis) - Adjusting composition for landscape sketches - Preparing images for illustration PerScaler simplifies your preparation process—so you can focus on drawing.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Dessin Scale | PerScaler |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 8 months | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 140 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruki Sugaya | 12px, LLC |
In-app purchases
Dessin Scale
No in-app purchases
PerScaler
- Buy me a coffee$0.49
