Hunting Calls: Duck

Hunting Calls: Duck is an app with various high quality duck calls. Get hunting calls and harvest a productive season.
App equipped with the ability to combine calls and set delay for each one, so you can pick and choose which calls and how many calls you want to play. Works offline and with locked screen.
Includes such calls:
Call 1
Call 2
Call 3
Call 4
Chatter 1
Chatter 2
Chatter 3
Comeback 1
Comeback 2
Duckling 1
Duckling 2
Feeding
Greeting 1
Greeting 2
Greeting 3
Greeting 4
Hiss & Quack
Lonesome Hen
Quack 1
Quack 2
Quack 3
Quack 4
Quack 5