وَمَا تَسْـَٔلُهُمْ عَلَيْهِ مِنْ أَجْرٍ ۚ إِنْ هُوَ إِلَّا ذِكْرٌ لِّلْعَـٰلَمِينَ ١٠٤
And you do not ask of them for it any payment. It is not except a reminder to the worlds.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.