Yes, you need to download the Garmin Golf app from either Google Play or the Apple App Store to use the Approach R10. The app allows you to see detailed analysis of your shots, performance stats, save driving range sessions and more that are recorded on the Approach R10. When you purchase your R10 you also get a 30-day free trial of Garmin Golf Membership that allows you to play virtual rounds on 42,000 worldwide courses. The Garmin Golf Membership subscription is either €9.99 monthly or €99.99 annually.