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
★4.1
PTT walkie talkie - wifi Call
PTT walkie talkie - wifi Call
★3.8
Walkie Talkie - Bluetooth
Walkie Talkie - Bluetooth
★5.0
Push To Talk Walkie Talkie
Push To Talk Walkie Talkie
★3.4
Walkie Talkie App: video call
Walkie Talkie App: video call
★3.3
Walkie Talkie for All Android
Walkie Talkie for All Android
★4.4
Walkie Talkie: Call & Video
Walkie Talkie: Call & Video
★4.2
Two Way : Walkie Talkie
Two Way : Walkie Talkie
★3.7
Walkie Talkie
Walkie Talkie
★3.4
Professional Walkie Talkie
Professional Walkie Talkie
★4.1
Walkie talkie- wifi intercom
Walkie talkie- wifi intercom
★3.6
WiFi Calls and Walkie Talkie
WiFi Calls and Walkie Talkie
★3.2
Walkie Talkie, Wifi Intercom
Walkie Talkie, Wifi Intercom
★4.0
Walkie Talkie, Push to Talk
Walkie Talkie, Push to Talk
★4.3
Voice and Video Walkie Talkie
Voice and Video Walkie Talkie
★4.2
eZierCall Online Walkie Talkie
eZierCall Online Walkie Talkie
★4.4