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
• Block users and report messages or users to the moderator
• Sign in with Google; delete your account any time in Settings
• Built on the open Matrix protocol
No ads, no tracking.
Private messenger: encrypted chats, calls, voice and video messages