The offline messenger that also works online.
Communicate securely with no phone number, no metadata, decentralized (IPFS) and no tracking (Tor). Encrypted end to end messaging, voice, and video calls. Built for everyday and ready for emergencies.
iOS available now. Android coming in 2026.
OSHI works everywhere - offline via mesh networking, online via decentralized IPFS & Tor. Military-grade encryption always.
Coordinate safely during protests, strikes, and demonstrations. No phone number links you to your messages. Works even when authorities block internet.
Stay connected at festivals, concerts, and sporting events. Mesh networking bypasses congested cell towers. Find your friends without service.
Communicate during natural disasters, power outages, or infrastructure failures. No internet or cell service required for local messaging.
Designed for countries with internet censorship. Use Tor for anonymity, mesh for offline communication. Protect your identity and your messages.
Every feature designed with your privacy as the top priority
Military-grade AES-256-GCM encryption with Double Ratchet protocol.
Connect directly with nearby devices via Bluetooth and WiFi.
Crystal-clear video and voice calls with real-time military-grade encryption.
We don't collect who you talk to, when, or how often.
Set messages to auto-delete after reading.
No central servers. Messages route through IPFS and Tor.
Messages automatically route through the best available path
Direct device-to-device communication
Extended range via relay nodes
Anonymous cloud storage
OSHI uses the same encryption protocols trusted by security experts worldwide.
Join thousands of users who trust OSHI for their private communications.
Download OSHI Free