OSHI: Offline Messenger

OSHI is the private messenger that works even with NO internet. Chat, call and share over an encrypted Bluetooth + Wi-Fi mesh — no SIM, no phone number, no servers reading your messages. When you do have a connection, everything syncs seamlessly. When you don't — at a festival, on a plane, hiking, traveling abroad, or in an outage — OSHI keeps working by hopping messages device to device. WHY OSHI • Works offline — Bluetooth/Wi-Fi mesh reaches nearby people with zero signal • End-to-end encrypted — X3DH + Double Ratchet, the gold standard • No phone number, no SIM, no email required • On-device AI assistant — 100% private, nothing leaves your iPhone • Encrypted voice & video calls • Group chats, voice notes, photos, files, live location • Self-destructing "view once" media • Your keys stay on your device — we can't read anything PRIVATE BY DESIGN Messages are encrypted before they leave your phone and can only be read by the person you send them to. Not us, not a carrier, not anyone in between. BUILT FOR THE REAL WORLD Travel, protests, festivals, disasters, dead zones, censorship — anywhere the network fails, OSHI doesn't. Download OSHI and take your conversations off the grid.