One such platform is Telegram, which now has more than 500 million active users; 100 million joined in January, with 25 million downloading the app within three days alone. In response, the app has added a feature that allows users to import their chat history from WhatsApp, from both individual and group discussions. This means if you're making the switch, you won't have to lose past conversations and you can continue from where you left off, as long as each WhatsApp user has a Telegram account. Telegram now has more than 500 million users. Bloomberg On iOS, the feature arrived with Telegram's version 7.4, and it's now available for Android, too.