Atomic Calendar
Brandon Guigo Productivity iPhoneiPadiPod touch
Atomic Calendar is a free Productivity app for iPhone and iPad by Brandon Guigo. Requires iOS 15.0. Updated October 16, 2026.
- Price
- Free
- on the App Store
- Size
- 64 MB
- Age 4+
- Updated
- Oct 16
- 2026 · v0.6.0
Screenshots
About Atomic Calendar
Plan Confidently. Stay Organized. Stay Private. Atomic Calendar, part of the Atomic Blend suite, is your privacy-first calendar designed to organize your schedule, protect your data, and keep your life in sync — all secured with end-to-end encryption. Why Atomic Calendar? – End-to-End Encrypted Events – Your events, titles, notes, and attendees are encrypted so only you can access them. – Private by Default – No tracking, no profiling, no behavioral analytics. Your schedule stays yours. – Simple & Focused Design – A fast, distraction-free interface to plan without friction. – Powerful Organization – Multiple calendars, color labels, search, and smart views to stay on top of your time. – Secure Sync Across Devices – Access your calendar everywhere while keeping your data private. – Works with your own self-hosted server or Atomic Blend Cloud. From daily planning to long-term projects, Atomic Calendar helps you stay organized with clarity — without sacrificing your privacy or control. --- About Atomic Blend Atomic Blend is a privacy-first, 100% open-source app suite that includes Atomic Task, Atomic Notes, Atomic Mail, Atomic Calendar, and more — all designed to work together seamlessly. Built for people who value simplicity, transparency, and control, Atomic Blend is your alternative to bloated, data-hungry tools. No ads. No tracking. Just powerful tools that respect you. --- Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://brandonguigo.notion.site/Politique-de-confidentialit-17591ec0b6688166b781cf05f89d3a2d
What’s new
Version 0.6.0 · Updated October 16, 2026
• account: warn about unsynced task changes before changing server • deps: bump ab_shared to 0.44.0 (store-compliant companion app) • store: neutral release notes • store: neutral store listing copy
App privacy
The developer, Brandon Guigo, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID, User ID
- Contact Info: Email Address, Name
Used for: Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Analytics
Alternatives to Atomic Calendar
Looking for apps like Atomic Calendar? Here are 6 similar apps on the App Store. The highest rated is SyncWake: Calendar Alarm Clock (5.0/5), and all 6 are free to download.
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QuickTask - Todo & Planner
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SyncWake: Calendar Alarm Clock
5.0
-
Secret Calendar Nav
5.0
-
TaskBlocks
-
Better Keep - Private Notes
-
DGen-WorkTimeTracker
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Atomic Calendar | – | Free | October 16, 2026 | |
| QuickTask - Todo & Planner | – | Free | Aug 25, 2026 | Compare |
| SyncWake: Calendar Alarm Clock | 5.0 / 5 (1) | Free | Oct 8, 2026 | Compare |
| Secret Calendar Nav | 5.0 / 5 (2) | Free | Oct 5, 2026 | Compare |
| TaskBlocks | – | Free | Apr 29, 2026 | Compare |
| Better Keep - Private Notes | – | Free | Oct 23, 2026 | Compare |
| DGen-WorkTimeTracker | – | Free | May 18, 2026 | Compare |
Compare Atomic Calendar with the top alternatives: ratings, updates, ASO score and keyword gaps →