Sealed — Private Letters

Sealed is a privacy-first messaging stationery application built around the timeless metaphor of a physical sealed letter. Write an intentional private letter, seal it with on-device authenticated encryption, and share a unique human - type-able secret code. Your recipient enters the code to unseal and read your words. Key Highlights: • Zero accounts, logins, or phone numbers required • Zero social feeds, public comments, or followers • Zero cloud servers — private messages never touch an external database • Authenticated on-device encryption • Simple and elegant secret code sharing • Distraction-free, warm stationery design Experience intentional, quiet, and truly private communication with Sealed.