CallSec vs mono

Description: CallSec is a security-first communications platform for encrypted messaging, voice and video calls. MILITARY-GRADE ENCRYPTION End-to-end encryption, built on an audited open-source cryptographic core, ensures only you and your recipients can read messages or hear calls. Not even the server can access your content. SECURE VOICE & VIDEO CALLS Crystal-clear encrypted calls with TURN relay mode that prevents IP address leaks. Multi-device support — receive calls on all your devices simultaneously. ADVANCED DEVICE SECURITY • Root/jailbreak detection • IMSI catcher detection with cell tower database • Screenshot and screen recording prevention • Microphone spy detection during calls • Overlay attack protection PRIVACY CONTROLS • PIN, pattern, or biometric app lock • Panic PIN — triggers emergency data wipe under duress • Dead Man's Switch — auto-wipe if you don't authenticate within set days • Disappearing messages • Incognito keyboard and clipboard auto-clear • Secure notifications SELF-HOSTED & ON-PREMISES Deploy on your own infrastructure for complete data sovereignty. True on-premises deployment with federation support between organizations. MULTI-DEVICE Use CallSec on multiple devices with the same account. Device approval workflow ensures only authorized devices can access your communications. CallSec is designed for organizations and individuals who require the highest level of communication security.

the app to have that conversation. one line. two people. mono is an encrypted 1-to-1 messaging app. you can have only one conversation at a time — no chat lists, groups, channels, or feeds. you connect via a unique, ephemeral 18-character key that rotates every 180 seconds. no matchmaking, stranger discovery, or public directory. no one can reach you unless you deliberately shared a key with them. no registration, no identity no name, email, phone, or personal data. no profile picture, no history, no trace — nothing tied to your real identity. radical privacy every message is end-to-end encrypted — only you and the other person can read it. not mono, not any server, not anyone else. ephemeral messages only the last 15 messages stay visible. the rest is permanently deleted. cut the line either person can cut the line — everything is deleted for both, instantly and permanently. screenshot protection (iphone and mac) messages, keys, photos, videos, and files stay hidden from screenshots and screen recordings. optional protection face id, passcode, keyword lock, and an emergency panic pin. 36-hour rule after 36 hours of inactivity, the entire conversation is permanently deleted for both. no notifications no badges, no banners, no sounds. no extras just text, images, videos, and files. no calls, video calls, or voice notes. view once images, videos, and files open once per person, then lock for good.