Telidoo is an Android application developed by Telidoo a.s. that offers a comprehensive communication solution in a single app. It provides users with the opportunity to save money on phone bills while enjoying high-quality international calls and messaging services.

The app offers several features for international calls, including best rates, no hidden fees, and no contracts. It connects calls over the phone network, even without an internet connection, and uses no data consumption, ensuring the same quality as local calls. Telidoo also offers messaging services, including free messaging within the app, SMS gateway for cheap messages outside the app, and mass messages and group chats, even for participants without the app.

The app also includes advanced features such as password protection for encrypted messages, cloud backups to avoid losing SMS history, and the ability to import incoming messages from other messaging apps. Users can download the app for free, and a bonus credit is available upon sign up. Telidoo is a useful app for anyone looking for a comprehensive communication solution at an affordable price.