Drawing Competition
Swift Student Challenge 2025 Winning Project
Overview
Drawing Competition is a game where you and your friends have to draw a given animal and a custom, on-device AI will judge the drawing independently to define the score. Whoever gets the highest score accross all rounds wins the game.
Key Features
- Drawing with Apple Pencil or your finger
- AI-powered drawing assessment
- Local Multiplayer mode
- Customizable categories, round time and round amount
- Selection of more than 20 animals to draw
- Premium version to unlock everything
Technical Details
Drawing Competition was built using SwiftUI and UIKit for a native iOS experience. The app uses PencilKit for drawing the animals and CoreML to classify the images. The UI was designed with a focus on simplicity and usability, with smooth animations and transitions.
Development Challenges
Drawing Competition was developed for the Swift Student Challenge 2025. The main challenge was training a custom machine learning model for the AI drawing assessment feature, which required a large dataset of drawings. Most of the app was developed in a short time frame of 10 days, with updates following to make it ready for the AppStore.