I've been using this app for awhile and it worked great, I switched from ATT to Verizon and got a new phone. Now the alert only sounds once, and does not repeat as it did before.
The old device, where it worked was a:
SAMSUNG-SM-G890A (Galaxy 6 Active)
Android version 5.0.2
Build LRX22G.G890AUCU2AOF4
The new device
SM-G920V (Galaxy S6)
Android 5.1.1
Build LMY47X.G920VVRU4BOG9
Any ideas on how to fix this?