Apps like RSL Central

Here are some great alternatives to RSL Central by ON Semiconductor Corp :
GATTBrowser
GATTBrowser
★3.6
Serial Bluetooth Terminal
Serial Bluetooth Terminal
★4.6
Bluetooth Terminal (BT Serial)
Bluetooth Terminal (BT Serial)
★5.0
BLE Analyser
BLE Analyser
★3.7
Arduino Bluetooth Control
Arduino Bluetooth Control
★3.7
nRF Connect for Mobile
nRF Connect for Mobile
★4.2
u-blox BLE
u-blox BLE
★4.2
BLE Checker - Check Bluetooth
BLE Checker - Check Bluetooth
★4.3
Bluetooth Terminal HC-05 Pro
Bluetooth Terminal HC-05 Pro
★4.3
Toyota COMFORT+
Toyota COMFORT+
★3.9
Voice of the Machine SensoNODE
Voice of the Machine SensoNODE
★3.3
BLE Scanner (Connect & Notify)
BLE Scanner (Connect & Notify)
★4.1
Bluetooth LE Scanner
Bluetooth LE Scanner
★4.0
BlueTooth Terminal eDebugger
BlueTooth Terminal eDebugger
★3.7
PowerMon
PowerMon
★4.6
nRF Toolbox for Bluetooth LE
nRF Toolbox for Bluetooth LE
★3.5