Comparison

Sealed Calendar vs DotDay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sealed Calendar

Read full description

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.

About

DotDay

Read full description

See your month at a glance. Color-coded dots use each of the Calendar’s color scheme. Scroll the same screen to read every event, grouped by day. Tap a day to jump there. Long-press to add one. Swipe to the next month. Create and edit events and reminders without leaving the app. Type a name to fill the title from Contacts. Choose which calendars appear. Pick a default list for reminders. Your data lives in Apple Calendar, Reminders, and iCloud. No accounts. No clutter. Just your month.

Screenshots

DotDay1 screens

Verdict

The call

The clearest difference is device support: DotDay at 3 against Sealed Calendar's —. Sealed Calendar's advantage is iOS requirement (15.1 vs 18.0). On price and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 6 level
Sealed Calendar versus DotDay: the parameters behind the verdict, then further details
ParameterSealed CalendarDotDay
PriceFreeFree
Rating3.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequency—Every 3 weeks
Ads—No
In-app purchasesNoNo
Devices—iPhone, iPad, Mac — better
Requires iOS15.1 — better18.0
Further details — not scored
Size33 MB3 MB
Age rating4+4+
DeveloperJohn QuigleyWilliam Keene

In-app purchases

None

Sealed Calendar

No in-app purchases

None

DotDay

No in-app purchases

Questions

Is Sealed Calendar free?
Sealed Calendar is free to download, with no in-app purchases.
Is DotDay free?
DotDay is free to download, with no in-app purchases.

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