Kilogram Messenger

Kilogram is a private messenger for chats, calls and files - with end-to-end encryption by default. - Messages, photos, videos, files, voice and video messages - Audio and video calls, also end-to-end encrypted - Share your contact with one link or QR code; people can even call you from a browser, no app needed (you can turn this off) - The server keeps nothing: messages are deleted once everyone has read them and never later than in 7 days, files 7 days after upload. Your history lives on your phone - Sign in with Google or Sign in with Apple; delete your account any time in Settings - Built on the open Matrix protocol No ads, no tracking.