Apps like RSL Central

Here are some great alternatives to RSL Central by ON Semiconductor Corp :
GATTBrowser
GATTBrowser
★3.6
Custom Bluetooth Controller
Custom Bluetooth Controller
★4.3
Bluetooth Commander
Bluetooth Commander
★3.3
Serial Bluetooth Terminal
Serial Bluetooth Terminal
★4.7
Arduino Bluetooth Controller
Arduino Bluetooth Controller
★3.8
Bluetooth Terminal
Bluetooth Terminal
★5.0
Bluetooth Commander Pro
Bluetooth Commander Pro
★4.1
nRF Cloud Gateway
nRF Cloud Gateway
★3.2
BLE Analyser
BLE Analyser
★3.7
Bluetooth SPP Manager
Bluetooth SPP Manager
★3.8
nRF Connect for Mobile
nRF Connect for Mobile
★4.1
Arduino Bluetooth Control
Arduino Bluetooth Control
★3.6
BLE Checker - Check Bluetooth
BLE Checker - Check Bluetooth
★4.4
u-blox BLE
u-blox BLE
★4.2
BLE Scanner (Connect & Notify)
BLE Scanner (Connect & Notify)
★3.8
Bluetooth Scanner
Bluetooth Scanner
★3.2