Callown

Callown is an innovative mobile app that uses cutting-edge "Voice over IP" technology for high-quality calling using Wi-Fi, 3G, or 4G. Callown has the popular calling features you need. Unlike many other calling apps, Callown is specially designed to avoid draining your phone's battery.

Callown is a smart mobile application that facilitates VoIP calling over the internet to any landline or mobile device around the world. The application is most beneficial for making long distance or international calls at low rates.

Just download the Callown app and make international calls straight from your mobile device. Our rates are very cheap for international calls.

Callown key features include:

- Low battery usage with high reliability / stability

- Low latency

- Excellent audio quality, even on older devices

- Supports calling over 3G, 4G and Wi-Fi

- Speakerphone mute and hold

- Bluetooth calling

- Confernce call feature.

- Call Transfering feature