It works completely offline and even without the antenna of your phone.
A very functional application ... Download this app and find the Qibla to always be yours.
Offline, No need for GPS!
First, make sure your phone has compass capabilities. If the compass is not supported, the Qibla Face will also not work.
Try not to use magnet in magnetic environments or close to the magnet when using the Qibla.
To install the Qibla Face, place the phone on a flat surface and then rotate it. If your handset supports this function, the circle of the Qiblah will move and will show the Qibla path. Otherwise, the circle of the Qibla Face will be like a still picture.