Dry Practice Drill is the best dry practice timer for the the iPhone or iPad. It is simple to use, and wrapped in a beautiful interface. The app includes all the drills from Front Sights handgun training course. but the drill list is yours to customize. Add and remove drills, or tweak times as your skills improve. For each drill you are given a few seconds to prepare, then an audible "Ready" call. After a random pause, a short tone marks the drill start. You should complete the drill before you hear the whistle. Use the strings feature to automatically decrease drill time as you practice. We Include basic instructions how to complete each drill. This is especially helpful for complex drills like malfunction clearing. This is the perfect companion for your trip to Front Sight, and a great way to keep the momentum going afterwards. Hint: If you cannot hear the sounds, check your devices mute switch. ;-)