Apps like SoniTalk

Here are some great alternatives to SoniTalk by FHSTP :
UltraSound Detector
UltraSound Detector
★3.8
Ultrasonic
Ultrasonic
★4.1
Skewy - anti eavesdropping
Skewy - anti eavesdropping
★4.0
Ultrasonic Emitter
Ultrasonic Emitter
★3.4
Waver
Waver
★4.7
Sound Blaster Services
Sound Blaster Services
★4.0
Sonim Contact Transfer
Sonim Contact Transfer
★3.9
Simple LAN Chat
Simple LAN Chat
★3.6
StealthTalk: Private Messenger
StealthTalk: Private Messenger
★4.1
Send sound files to Messanger
Send sound files to Messanger
★3.7
SonoBus
SonoBus
★4.3
Jammer Detector
Jammer Detector
★3.9
FT8 Radio
FT8 Radio
★3.9
TouchOSC Mk1
TouchOSC Mk1
★3.9
T&N White Noise
T&N White Noise
★4.9
The Headset App
The Headset App
★4.2