I live in a place where i could barely listen to the adhan. So, i chose an alternative app for my prayer timings. I completely follow my mobile adhan like mosque. Also, I have verified the timing as both mosque and my mobile adhan ring at same time at magrib. As we know for magrib there should be accuracy in timing. So, on the basis of this,"i consider it's timing to be perfect".
Do i have to silent my app adhan when I'm able listen mosque adhan ?
Do i have to wait for the mosque adhan for my prayer if at zhuhr my app rings first ?