4/5 rating based on 88 reviews. Read all reviews for Callbacker: Calling App & SMS for iPhone.
Callbacker: Calling App & SMS is free iOS app published by DemandVoIP Inc.
kandarklay68
i use this application all time to call my family. I am saving more money.thank to this app. The Quality is also good
rondeptrai
callbacker is an application that directly calls when connected to the internet, where you want to connect to, phone calls easily inexpensive, simple application easy to use, attractive and harmonious color, try me do you????
Starsworld21
I have tried other apps but they didn't work. But then I found this a few days ago and I love it. With it, I can save a lot of time and expenses.
Dario Bartlett
Really impressed with the app. This gives me free calls and better than any other similar app I've used. This is a must have app for everyone.
Brilliant Teo
When I need to make calls to my friends, this would be my first choice because it's free and great quality. I really appreciate it.
Ichinosejs
Much better than other apps and I've had no issues with it. It gives me clear calls with no lag, no crashed. Get it now and you'll love it!