Turkey Calls HD is a free Android app developed by AD Research that produces 18 high-quality turkey calls for hunters. This app is a great tool for those who enjoy hunting and want to increase their chances of success. With its tried and true turkey calls, you will have all the sounds you need to attract turkeys in the area.

One of the best features of Turkey Calls HD is that you can use a Bluetooth speaker placed away from you to one side or the other, which will draw the turkey's attention away from you. Moreover, all sound files in this app are open source files, and on most phones, you can long-press the sound and make it a ringtone or notification. Overall, Turkey Calls HD is a great app for hunters of all levels, and with its user-friendly interface, it's easy to use and navigate.