CallSec vs Hush

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.

HUSH is private voice and video calling for the contacts you choose to add. Sign in with Apple, add a friend by their HUSH ID, and call them with end-to-end encrypted voice or video. There is no public search, no random matching, no anonymous chat — only people you have personally added can reach you. WHY HUSH • End-to-end encrypted voice and video (AES-256-GCM, X25519 ECDH, Perfect Forward Secrecy) • Sign in required with Apple or Google — no anonymous use • Invite-only contacts — add friends by HUSH ID, no public directory • 1:1 voice and video calls in HD • Multi-party meetings with a shareable code • Your device contacts are not uploaded — we do not scrape your phone book SAFE BY DESIGN • Terms of Use accepted before sign-in, with zero tolerance for objectionable content and abusive users • Username profanity filtering at sign-up • Report any contact for harassment, spam, sexual content, impersonation, threats, or other violations • Block any contact instantly — they are removed from your contact list and cannot reach you • Manage blocked users from your profile at any time • Reports reviewed within 24 hours; violating accounts are removed PLANS • Free — try the core experience • Plus — unlimited calls, more contacts, higher video quality HUSH is the calling app you use with the people you already trust. Your contacts, your conversations, kept between you. Terms of Use: https://hushprivacy.app/legal/terms-conditions Privacy Policy: https://hushprivacy.app/legal/privacy-policy