iPhone Screenshots


Otubio is an app that lets you make cheap international calls to any user in any location around the world. Otubio helps you save on your international phone call bills. Otubio eliminates the need for conventional phone calling cards because you no longer have to remember long pin numbers. You can call your contacts directly from the Otubio app. Otubio is easy to use and allows people to connect to friends and family all over the world. With Otubio, there are no hidden charges. Otubio has one of the cheapest rates to several countries.

Otubio uses either the internet or local access numbers to connect the calls. Otubio also lets you make free calls to other Otubio users. Simply ask friends and family to download the app so you can call them for free. Some of the countries that Otubio provides cheap and unlimited calling to include : India, Nigeria, Bangladesh etc

What's New

Version 1.4

- Verification issue fixed

Ratings and Reviews

4.6 out of 5
10 Ratings
10 Ratings

Otubio is a good working application

"sound quality is very good. Almost like you are using your cellphone provider directly"


Very good app.

I have tried Otubio a couple of times and it connected really quick.


Clear to Naija

Call quality to Nigeria is loud and clear. Also shows my caller if too. Awesome.


Tbass, LLC
54.5 MB
Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
Copyright © 2018 Tbass, LLC. www.otubio.com. All Rights Reserved.
In-App Purchases
  1. Otubio Credit 5 $7.99
  2. Otubio Credit 10 $14.99
  3. Otubio Credit 15 $21.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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