Technologies used to build Telegram
As of May 2020, 2.52 billion people use chat apps regularly and this number keeps growing and is expected to reach 3 billion in 2020.
Telegram is one of the greatest messaging apps with the greatest protection and smooth performance.
As far as it is known, the messenger was coded with the following technologies:
• iOS app – build by utilizing Objective C and partly Swift
• Android app – created with Java programming language
• Windows Phone app – uses C#
• Mac app – is developed with Objective C
Also, the team of Telegram developed a specific data protocol, MTProto Mobile Protocol, that ensures the speed and security of its service.
For more information about how to develop a messaging application and what technologies are used in other messaging apps you can learn here (https://addevice.io/