Took this to the deer stand on 3/1/14 about dusk. Didnt plan on hunting, just remembered I had this app on my phone and figured Id give it a try. No external speaker, just used the phone speaker. Made no attempt to hide the brightly lit phone screen.
Tried a combination of coyote calls, got song dogs howling nearby within minutes. I believe if Id spent more time Id have called em up within range.
Used the chicken and cottontail in distress and had owls showing up in less than a minute - one did a fly-by closer than 20 feet. Continued to use the chicken in distress and had a huge Great Horned Owl show up to investigate and land in a tree 30 feet from me.
Ill be using an amplified Bluetooth speaker next time and will put something over the phone screen for better light discipline.
Random clever name about Predator Calls Pro