Smog Test History
Instantly look up California vehicle emissions history using your iPhone camera.
A native iOS utility that leverages on-device OCR to read license plates and retrieve complete smog test records from California DMV databases — no typing required.
Key Features
Built with a focus on performance, privacy, and user experience.
On-Device OCR
Uses Apple's Vision framework to perform real-time license plate recognition directly on the device — no server round-trips needed.
DMV Data Integration
Queries official California DMV databases to retrieve complete vehicle emissions testing history and results.
Privacy-First Design
No license plates or vehicle data are stored. All lookups are ephemeral, respecting user privacy by default.
Universal iOS App
Runs natively on iPhone, iPad, iPod touch, Apple Silicon Macs, and Apple Vision Pro with a single codebase.
Instant Results
Retrieves and displays smog test history in seconds with a clean, scannable interface for quick decision-making.
Free & Ad-Free
Completely free with no advertisements, in-app purchases, or hidden costs. Built as a public utility.
App Screenshots
A clean, intuitive interface designed for quick lookups.

License plate capture screen

Smog test results view

Vehicle history details
Tech Stack
Built with native iOS technologies for optimal performance and platform integration.