Sfera chat vs Waves

Sfera — это безопасный мессенджер на базе протокола Matrix. Он позволяет общаться в зашифрованных чатах, звонить по видео и голосовой связи, делиться файлами и создавать группы без риска слежки.

Waves is a peer-to-peer mesh messenger that works without internet, servers, or accounts. Just Bluetooth and Wi-Fi Direct. Your phone connects directly to nearby phones, forming a mesh network. Messages hop from device to device, extending range across crowds, campuses, and festivals — all without cell towers. PRIVACY BY DESIGN • End-to-end encryption on all private messages (Curve25519 + ChaChaPoly) • No accounts, no phone number, no email — ever • No servers store your messages — they exist only on your device • Messages auto-delete after the time you choose (15 min to 2 hours) • No analytics, no tracking, no ads • Only location group pins are stored in the cloud — nothing else FEATURES • General broadcast chat — talk to everyone nearby • Private 1-on-1 encrypted chats • Voice messages — push to talk • Photo sharing through mesh • Contacts — add friends when nearby • Location & portable groups with optional password • AR Radar — see direction and distance to people (UWB, iPhone 11+) • SOS emergency broadcast • Shake to wave hello • Emoji reactions • Disappearing messages with visible countdown PERFECT FOR • Festivals & concerts where cell service is dead • Camping, hiking, off-grid adventures • Classrooms & campus without Wi-Fi • Anywhere you want to communicate privately NO INTERNET. NO SERVERS. NO RULES. Just people and their phones.