Want to make free international calls? Simply download Otubio and ask your friends and family to also download the app. All calls made between Otubio app users are free. You get free, high quality international calls between Otubio Users
Calls between Otubio users are connected via VOIP. Otubio uses high quality connections to connect the calls so there is no lag or depreciation in call quality. Otubio users can continue enjoying free calls as long as they have the app installed.
