QED is a lifestyle app developed by 큐이디골프 for Android users. It offers golf enthusiasts access to the world's most accurate data from high-speed sensors installed in QED stores. With this app, users can conveniently check practice information from anywhere.

The main features of QED include providing diverse and accurate data, offering club-specific average distance data, presenting shot distribution data for objective analysis of shot skills, and providing trend data by date to track improvement progress.

The app requires certain access permissions. Essential permissions include device and app history for error correction and usability improvement. Optional permissions include location information for store search, camera access for reading QR codes/barcodes and uploading profile photos, and photo/media/file access for uploading profile photos and downloading swing videos.

QED is a free app that offers golfers access to precise data for improving their skills. It is a must-have tool for golf enthusiasts looking to enhance their game.