Hello, this is OTO Service Team. We are pleased to inform you that it is currently difficult to use the OTO Global App. As the problem of illegal use abroad increased excessively through our app, the load on the server was inevitably restricted.
The antivirus report shows that the app is safe. Openvacs created OTO Global International Calls that falls into the Communication category. According to the latest information, this application is rated 3.6 on Google Play.
Over 1M users downloaded and installed the app and its latest release was on Oct 1, 2020. OTO Global International Calls displays adverts. A lot of users set up this application on their Samsung and HTC devices.
You can get the .apk installer of OTO Global International Calls 4.1.4 for free and check out users' reviews on Droid Informer. This file size doesn't exceed 21 MB and the app runs flawlessly on Android 4.1 and above.
As users see it, the advantage of the app is a good design.