GizmoHub app not staying open on iphone7 plus

[Dwade2]

My GizmoHub app won’t stay open to use gps or to text my child. When I open application it opens for a second than blanks out

[vzw_customer_support]

Dwade2

The safety of your child is our first priority. When did this issue start? Did you recently update the software on your phone or download a new application to it? Have you powered your device off/on since this issue started? 

There is a new software update for that application. Click the link below for the details regarding this update: 

https://www.verizonwireless.com/support/verizon-smarthub-update/