Apps like GroupTalk

Here are some great alternatives to GroupTalk by GroupTalk Sweden AB :
Voice and Video Walkie Talkie
Voice and Video Walkie Talkie
★4.2
Walkie Talkie, Wifi Intercom
Walkie Talkie, Wifi Intercom
★4.0
Group Talks: Walkie Talkie Ptt
Group Talks: Walkie Talkie Ptt
★4.3
ProPTT2 Video Push-To-Talk
ProPTT2 Video Push-To-Talk
★3.3
Zello PTT Walkie Talkie
Zello PTT Walkie Talkie
★4.2
PTT walkie talkie - wifi Call
PTT walkie talkie - wifi Call
★3.7
Bell Push-to-talk
Bell Push-to-talk
★3.7
ESChat (Push-to-Talk)
ESChat (Push-to-Talk)
★3.7
WalkieTalkie:Two Way Radio-PTT
WalkieTalkie:Two Way Radio-PTT
★3.7
Orion Push to Talk
Orion Push to Talk
★4.0
Zello PTT Custom Button - Fast
Zello PTT Custom Button - Fast
★3.6
Walkie Talkie - Slide2Talk
Walkie Talkie - Slide2Talk
★4.1
skEYEwatch Push To Talk (PTT)
skEYEwatch Push To Talk (PTT)
★5.0
Tango Tango
Tango Tango
★3.3
AT&T Enhanced PTT/ FirstNet RR
AT&T Enhanced PTT/ FirstNet RR
★3.6
BiPTT - push to talk PTT
BiPTT - push to talk PTT
★3.8