# Coretin: AI Co-Drawing — Your AI Sketching Partner

> Your AI Sketching Partner (iPhone/iPad app by Muhammad Hanif Sugiyanto.)

- Source: https://appshunter.io/ios/app/coretin-ai-co-drawing/id6743965846 (this page in markdown: same URL + `.md`)
- Developer: [Muhammad Hanif Sugiyanto](https://appshunter.io/developer/1805376574)
- Category: Graphics & Design, Education
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 18.0 · 34 MB
- Languages: English
- Released: 2025-04-08
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/coretin-ai-co-drawing/id6743965846/reviews.md

## What is Coretin?

Sketch Fast. Create Smart.
Meet Coretin – The Lightweight AI Co-Drawing App for Instant Visual Ideas.

Coretin is a lightweight, AI-assisted sketching app designed for fast idea visualization. Just start drawing, elaborate a little, and watch Coretin complete your sketches in real time. Whether you're capturing quick concepts, doodling for fun, or refining a creative spark, Coretin helps you bring your ideas to life effortlessly.

Main Features:

Draw and collaborate with fast AI – Start with a rough idea and let Coretin intelligently enhance and evolve your drawing.

Explore multiple changes – Instantly generate and preview different visual takes on your sketch.

Powered by cutting-edge AI – Enjoy a seamless, lightweight drawing experience supported by fast, responsive machine intelligence.

Perfect for creative play, prototyping, or visual storytelling on the go.

Bring Your Concepts to Life – Instantly.
Download Coretin and co-draw with AI in seconds.

In-App Purchase Options:
To use the AI inference model features, users need to purchase a premium subscription.

a. We offer two subscription models:

$4.99 USD per month: This subscription provides premium access with auto-renewal.

$39.99 USD per year: This subscription provides premium access for 1 year. The renewal price is the same.

While premium users enjoy full access to AI-powered drawing features, fair usage policies may apply to maintain a high-quality experience for all users.

b. We reserve the right to change pricing, subscription terms, or in-app benefits. Any changes will be communicated via the app or website.

For more details on our policies, please visit:

Terms of Service: https://coretin-site.vercel.app/terms
Privacy Policy: https://coretin-site.vercel.app/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Coretin Pro Annual | $39.99 | per year |
| Coretin Pro | $4.99 | per month |



## Version history (last 2 releases)

### 1.1 — 2025-06-25

Bug fixing and performance improvements

### 1.0 — 2025-04-08

No release notes.

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## More apps by Muhammad Hanif Sugiyanto

- [3Dify: Image to 3D Model](https://appshunter.io/ios/app/3dify-image-to-3d-model/id6747961434)
- [My Alchemy Lab](https://appshunter.io/ios/app/my-alchemy-lab/id6757759798)
- [Flare: Pain Tracker & Body Map](https://appshunter.io/ios/app/flare-pain-tracker-and-body-map/id6761057872)
- [Karavoke: Dynamic Lyrics](https://appshunter.io/ios/app/karavoke-dynamic-lyrics/id6767883944)

All apps by Muhammad Hanif Sugiyanto: https://appshunter.io/developer/1805376574

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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 2026-06-10.*