If you need to talk a lot with multiple devices and PC, this is the best option. However, if you need a secret chat, with time to destroy the messages, this is your best option. Furthermore, if you need create groups with 200 or more people, this is your best option. You can do everything with this app, and works perfectly, integrated and synced, only one account to command all devices. Waiting: - Option to exit group without deleting it, like desktop app - Option to return to group if you only exited.