The most used golf app can vary depending on factors such as region, user preferences, and device type. However, some of the most popular golf apps available for download on both iOS and Android devices include:

  1. Golfshot: Golf GPS + Scorecard
  2. GolfNow: Tee Time Deals at Golf Courses
  3. 18Birdies: Golf GPS App
  4. GolfLogix GPS + Putt Breaks
  5. TheGrint | Your Golferhood

These apps offer features such as GPS tracking, scorekeeping, tee time booking, and golf course information and reviews. It’s worth noting that there are many other golf apps available that may better suit specific needs or preferences, so it’s worth exploring a few different options to find the right app for you.