Calls Translator is a free Android application developed by Calls Translator Corp that allows you to make national and international calls with simultaneous translation in more than 25 available languages. This app is ideal for travellers, people doing business in different parts of the world, or anyone who wants to keep in touch with friends who speak a different language.

With Calls Translator, you can have your own US phone number that works no matter where you are in the world. The app lets you make national and international calls with your own number, even if your caller does not have the app installed. You can also make video calls from within the application with simultaneous translation, and customize the translator's voice to a male or female tone.

The simultaneous translation functionality is clear and fluid, with no more robotic voices. You can use this app to communicate in more than 25 available languages. Additionally, you can try the app for free with five minutes of call time. To use the app, simply download it from Google Play, register your main phone number, and sign up for any plan of your choice.