CallSec vs Seen

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.

No strangers. No cold requests. No algorithm pushing people you've never met into your world. Seen is the private social app built for the people already in your life. Open it, and you'll find the contacts already saved in your phone who are also on Seen. That's your circle. Message them, call them, share with them, and let them see you. ENCRYPTED MESSAGING — YOUR WAY Send texts, voice notes, photos, and video messages with end-to-end encryption on every single message. Share multiple photos at once with beautiful grid layouts. Nobody can read your conversations, not someone trying to intercept them, not us. Just you and the person you're talking to. SCREENSHOT PROTECTION Your private conversations stay private. Seen blocks screenshots and screen recordings inside chats, so you can share freely knowing nothing gets captured without your knowledge. HD AUDIO & VIDEO CALLS Crystal-clear calls that hold up, even on a weak connection. Audio and video, both encrypted, both available anytime you need them. No delays, no switching apps. Just tap and call. A FEED FOR YOUR REAL LIFE Post photos and videos to your feed and choose exactly who sees them. Share publicly with everyone on Seen or keep it just for your mutual contacts. Share multiple photos in stunning grid, strip, or featured layouts. Every post is your call, every time. STORIES Share what's happening right now. Stories go to the people in your circle and let you stay present without overthinking it. Quick, personal, and real. DISCOVER PEOPLE YOU ALREADY KNOW Seen matches you with people from your own address book who are already on the platform. No search directories. No random suggestions. Every person you find is someone you already have a real connection with. GROUP CHATS FOR EVERYONE THAT MATTERS Family threads, friend groups, team chats. Bring the right people into one place and share photos, videos, and voice messages without the noise. Group audio and video calls keep everyone connected. AVAILABLE IN 25 LANGUAGES Use Seen in your language. English, Hindi, Malayalam, Spanish, French, German, Arabic, Chinese, Portuguese, Japanese, Korean, Italian, Russian, Turkish, Thai, Vietnamese, Indonesian, Dutch, Polish, Ukrainian, Bengali, Tamil, Telugu, Kannada, and Swahili. PRIVACY FIRST Seen doesn't sell your data or study your behavior to serve someone else. No tracking. No profiling.