# Sealed Calendar

> Sealed Calendar (iPhone/iPad app by John Quigley.)

- Source: https://appshunter.io/ios/app/sealed-calendar/id6757730761 (this page in markdown: same URL + `.md`)
- Developer: [John Quigley](https://appshunter.io/developer/1865793507)
- Category: Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 33 MB
- Languages: English
- Released: 2026-02-22
- Data updated: 2026-07-09
- User reviews in markdown: https://appshunter.io/ios/app/sealed-calendar/id6757730761/reviews.md

## What is 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.


## Version history (last 1 release)

### 1.0 — 2026-02-22

No release notes.

## More apps by John Quigley

- [Sealed Tasks - Privacy First](https://appshunter.io/ios/app/sealed-tasks-privacy-first/id6757284282)
- [BUILD Petition](https://appshunter.io/ios/app/build-petition/id6758565256)

All apps by John Quigley: https://appshunter.io/developer/1865793507

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-09.*