Sealed Calendar

Sealed Calendar is the calendar app for those who value privacy above all else. WHY SEALED CALENDAR? In a world where every app wants your data, Sealed Calendar is different. We don't want your data. We can't even see your data. TRUE PRIVACY - Zero data collection - No analytics or tracking - No accounts or sign-ups required - Works completely offline - No cloud dependency MILITARY-GRADE SECURITY - End-to-end encryption using XSalsa20-Poly1305 - Your passcode protects everything - Optional Face ID / Touch ID unlock - Zero-knowledge architecture FULL-FEATURED CALENDAR - Multiple calendars with custom colors - Event reminders and notifications - Attach documents and images (all encrypted) - All-day and timed events - Recurring events (daily, weekly, monthly, yearly) - Search across all your events - Day, week, month, and agenda views YOUR DATA, YOUR CONTROL - All data stays on your device - Export encrypted backups anytime - Transfer to new devices via QR code - Delete everything with one tap - No account needed - ever DEVICE-TO-DEVICE SYNC - Optional sync between your devices - Self-hosted - you control the server - No third-party cloud services - End-to-end encrypted transfers WHO IS THIS FOR? - Privacy advocates - Security professionals - Journalists and activists - Anyone tired of corporate surveillance - People who value digital autonomy Sealed Calendar proves that you don't have to sacrifice features for privacy. Your schedule is personal. Keep it that way.