# Shape Sketch — Shape Simplify / Notan Study

> Shape Simplify / Notan Study (iPhone/iPad app by 川 丁.)

- Source: https://appshunter.io/ios/app/shape-sketch/id6755219454 (this page in markdown: same URL + `.md`)
- Developer: [川 丁](https://appshunter.io/developer/1852666309)
- Category: Graphics & Design
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 5 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-11-25
- Data updated: 2026-09-03
- User reviews in markdown: https://appshunter.io/ios/app/shape-sketch/id6755219454/reviews.md

## What is Shape Sketch?

Designed specifically for artists, illustrators, and art enthusiasts to help you master the art of shape simplification. Shape Sketch instantly transforms complex scenes into clear value structure diagrams, allowing you to observe how light influences form definition and enhance your painting and compositional reference skills.

Core Features:
① Generate 2-5 step Notan compositions in real-time from camera preview with customizable colors  
② Import and analyze images from your photo library  
③ Customize precise threshold ranges and apply coloring to individual value levels  
④ Desaturation and horizontal flip functions to assist compositional observation  
⑤ Intuitive professional interface, and all processes completed offline on your device  

Use Cases:
① Composition studies and value planning before painting  
② Shape analysis tool for visual art education  
③ Reference for painting material collection, photography framing, and composition  

Support Email: hi@fuercat.com

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Shape Sketch Pro | $3.99 | one-time |



## Version history (last 2 releases)

### 1.0.2 — 2026-08-29

1.0.2
Updated app content and information.

### 1.0.1 — 2025-11-25

No release notes.

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## Related topics

[notan](https://appshunter.io/ios/topics/notan)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*