Sealed Calendar
Private Encrypted Calendar
Free · Designed for iPad. Not verified for macOS.
Your calendar, your data, your control. Military-grade encryption keeps your schedule completely private. Works offline. No accounts. No tracking.
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.
The developer, John Quigley, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- John Quigley
- Size
- 34.5 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Copyright 2026 John Quigley