Apps like nRF Cloud Gateway

Here are some great alternatives to nRF Cloud Gateway by Nordic Semiconductor ASA :
Serverless Bluetooth Gamepad
Serverless Bluetooth Gamepad
★3.2
GATTBrowser
GATTBrowser
★3.6
Bluetooth LE Scanner
Bluetooth LE Scanner
★3.9
BLE Scanner (Connect & Notify)
BLE Scanner (Connect & Notify)
★3.8
Bluetooth Chat
Bluetooth Chat
★4.4
Bluetooth Scanner
Bluetooth Scanner
★3.2
BLE Tool
BLE Tool
★4.3
u-blox BLE
u-blox BLE
★4.2
Network Info II (Donate)
Network Info II (Donate)
★4.6
Network Info II
Network Info II
★4.2
Mobile Reach
Mobile Reach
★3.4
GENNECT Cross for Android
GENNECT Cross for Android
★4.2
atMyHomeLE
atMyHomeLE
★5.0
atMyHome
atMyHome
★4.0
Mastercool® Connect
Mastercool® Connect
★3.7
Bluetooth settings & shortcut
Bluetooth settings & shortcut
★3.5