With an app like NextPlus you can log out of your account when not in use.
Login to the app. Use it. Make appointment. Logout.
Login. Call/text you are in parking area. Wait for reply. Logout.
As long as you are not logged in no one can tell what you use it for. If anyone asks about app, say old app you use to use or it was an app that was on the phone.
The most important part. Make up a userid and password no one will guess.
Beats having to worry about a 2nd phone. Even if you lose this phone, no one can get into your app without your userid and password as long as you logged out.
Also airtime (calls onky since txting is free) are :
$2 for 100 mins.
$5 for 250 mins.
There are other pricing.
Login to the app. Use it. Make appointment. Logout.
Login. Call/text you are in parking area. Wait for reply. Logout.
As long as you are not logged in no one can tell what you use it for. If anyone asks about app, say old app you use to use or it was an app that was on the phone.
The most important part. Make up a userid and password no one will guess.
Beats having to worry about a 2nd phone. Even if you lose this phone, no one can get into your app without your userid and password as long as you logged out.
Also airtime (calls onky since txting is free) are :
$2 for 100 mins.
$5 for 250 mins.
There are other pricing.