Sigma Messenger is a free messaging app that uses Telegram API and added some extra features to the official Telegram app which the most important is a very strong Anti Blocking system for some countries which are blocking Telegram and: • Translate your conversations into 50+ languages. • Preview recieved messages without opening the chat, scroll up and down between them and even forward them to your contacts. • Go to the first message of your chat by clicking Beginning button. • Multiple Pinne