New Delhi, July 29 -- Bitchat, Jack Dorsey's new project, is now officially live for Apple users. It is available on the App Store and brings a refreshing change to messaging apps. You do not need mobile data, a Wi-Fi connection, or even a registered account to use it.

The app runs on a Bluetooth-based mesh network system. If your phone has Bluetooth on, it will automatically connect with others running Bitchat nearby. As people move, their phones relay messages across short distances. So, even without direct contact, your message may still reach its destination.

Bitchat does not ask for your name, email, or number. You open it and start chatting. All messages are encrypted, stored locally, and deleted after a short period. There are no...