Apps like Duo: Wi-Fi Walkie Talkie

Here are some great alternatives to Duo: Wi-Fi Walkie Talkie by Taras Huliaiev :
Walkie Talkie - Slide2Talk
Walkie Talkie - Slide2Talk
★4.0
Walkie Talkie Radio
Walkie Talkie Radio
★3.3
PTT walkie talkie - wifi Call
PTT walkie talkie - wifi Call
★3.7
Walkie Talkie, Wifi Intercom
Walkie Talkie, Wifi Intercom
★3.9
Walkie Talkie - Bluetooth
Walkie Talkie - Bluetooth
★4.4
Two Way : Walkie Talkie
Two Way : Walkie Talkie
★3.8
Professional Walkie Talkie
Professional Walkie Talkie
★4.2
Walkie Talkie
Walkie Talkie
★3.4
Voice and Video Walkie Talkie
Voice and Video Walkie Talkie
★4.2
Walkie Talkie, Push to Talk
Walkie Talkie, Push to Talk
★4.6
eZierCall Online Walkie Talkie
eZierCall Online Walkie Talkie
★4.4
Walkie Talkie - All Talk
Walkie Talkie - All Talk
★3.9
Online Walkie Talkie Lite
Online Walkie Talkie Lite
★4.1
Group Talks: Walkie Talkie Ptt
Group Talks: Walkie Talkie Ptt
★4.2
Walkie Talkie App: VoicePing
Walkie Talkie App: VoicePing
★3.6
Zello PTT Walkie Talkie
Zello PTT Walkie Talkie
★4.2