I have used both apps before. SnoopSnitch only works on specific Qualcomm chipsets. If you want to use IMSI-catcher detectors, make sure it actually works with

I have used both apps before. SnoopSnitch only works on specific Qualcomm chipsets. If you want to use IMSI-catcher detectors, make sure it actually works with your specific chipset. AIMSICD eats a decent amount of battery as it really needs GPS to be useful as a historical data source.