A modern, private SMS & MMS app for Android — built with Kotlin, Jetpack Compose and Material 3. No ads, no trackers, no analytics.

Features

- Default SMS / MMS app for Android (KitKat → Android 14+).
- Single-Activity Compose UI, Material 3 with dynamic colors + AMOLED true-black.
- Encrypted Room database (SQLCipher), AndroidKeyStore-wrapped master key.
- App lock: PIN with PBKDF2-HMAC-SHA512, monotonic exponential backoff after failed attempts.
- Optional panic-decoy PIN: when entered, the