LNK Chats vs Cryptic Send

Lock & Key Chats is a simple, secure messaging app designed to protect your privacy.  With end-to-end encryption, only you and your recipient can read your messages—no third parties, no ads, no data tracking. Stay connected with confidence, knowing your conversations are truly private.

Send private messages inside iMessage with an extra layer of protection. Cryptic Send helps you encrypt messages before you send them, so only someone with the same secret key can read them. It is built for private conversations, sensitive details, and moments when you want more control over who can see your message. Why people use Cryptic Send • Add privacy to messages sent through iMessage • Encrypt messages with your own secret key • Auto-load and decrypt messages when opened in the extension • Set messages to expire for extra privacy • Keep message content out of plain view if someone else accesses the device How it works 1. Write your message 2. Enter your secret key 3. Send through iMessage 4. The recipient opens the message and uses the same key to decrypt it Built for privacy Cryptic Send is designed to protect message content before it is sent. Only the correct key can unlock the original text. For even more control, you can choose message expiration for conversations that should not stay readable forever. Great for • Personal conversations • Sensitive information • Extra privacy on shared or accessible devices • Anyone who wants more control over message visibility Important Both people need the same secret key to decrypt the message. If you want a simple way to send more private messages inside iMessage, Cryptic Send gives you that extra layer without leaving your normal messaging flow.