This App works with JBT24M:UART+RSS131 Geiger meter runs on new iPad/iPad mini/iPhone 4S/iPhone 5.
Features:
(1)Display Radiation, Temperature & Battery data.
(2)Control and setting RSS131
notes:JBT24M is a bluetooth 4.0 (BLE) module
"Continued use of GPS running in the background can dramatically decrease battery life."