🪙 Coin Identifier

AI-Powered Coin Identification at Your Fingertips

Download for iOS Privacy Policy Terms of Use

About

Coin Identifier is a mobile application built with React Native and Expo that uses artificial intelligence to identify coins from photographs. Perfect for collectors, numismatists, and anyone curious about different coins and their value.

Simply point your camera at a coin, take a photo, and get instant detailed information about the coin, including its country, year, denomination, material, condition, and estimated value.

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Camera Scanning

Capture coins directly using your device's camera with an intuitive scanning interface.

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Photo Library

Select existing photos from your gallery for analysis - no need to take a new photo every time.

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AI-Powered Analysis

Utilizes OpenAI's GPT-4o-mini vision model to analyze coin designs, inscriptions, and details with high accuracy.

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Detailed Information

Get comprehensive details including country, year, denomination, material, condition, and estimated value.

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Interactive Chat

Ask questions about coin characteristics, history, value, and more with our AI chat interface.

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Scan History

View all your past coin identifications with timestamps and save your favorite coins to your collection.

Privacy & Security

Your privacy is important to us. All coin images and scan data are stored locally on your device. Images are sent to OpenAI's API only for analysis purposes and are not stored by OpenAI beyond the API request.

Read our full Privacy Policy to learn more about how we handle your data.

Read our Terms of Use to understand the terms and conditions of using the app.

Technology

Built with modern technologies for a smooth, reliable experience:

React Native Expo TypeScript OpenAI API Expo Router AsyncStorage

Requirements