Apps like FDM

Here are some great alternatives to FDM by Freelap SA :
NanoBeacon BLE Scanner
NanoBeacon BLE Scanner
★3.5
BLE Scanner (Connect & Notify)
BLE Scanner (Connect & Notify)
★4.0
Bluetooth Terminal (BT Serial)
Bluetooth Terminal (BT Serial)
★4.9
nRF Connect for Mobile
nRF Connect for Mobile
★4.3
ST BLE Toolbox
ST BLE Toolbox
★4.0
BLE Checker - Check Bluetooth
BLE Checker - Check Bluetooth
★4.3
FluvalSmart
FluvalSmart
★3.5
BLE Tool
BLE Tool
★4.4
DataLogger
DataLogger
★3.3
Sonim BLE Connect
Sonim BLE Connect
★3.7
ST BLE Mesh
ST BLE Mesh
★3.8
Bluetooth Terminal
Bluetooth Terminal
★4.0
Microchip Bluetooth Audio
Microchip Bluetooth Audio
★4.6
VESC Tool
VESC Tool
★4.2
Microchip Bluetooth Data
Microchip Bluetooth Data
★3.6
MakeApp for Blebricks
MakeApp for Blebricks
★4.0