Comparison

Atomic Calendar vs QuickTask

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

Head to head
About

Atomic Calendar

Features
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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 โ€” all secured with end-to-end encryption. Why Atomic Calendar? โ€“ End-to-End Encrypted Events โ€“ Your events, titles, notes, and attendees are encrypted so only you can access them. โ€“ Private by Default โ€“ No tracking, no profiling, no behavioral analytics. Your schedule stays yours. โ€“ Simple & Focused Design โ€“ A fast, distraction-free interface to plan without friction. โ€“ Powerful Organization โ€“ Multiple calendars, color labels, search, and smart views to stay on top of your time. โ€“ Secure Sync Across Devices โ€“ Access your calendar everywhere while keeping your data private. โ€“ Unified with Atomic Blend โ€“ One subscription unlocks all apps in the suite. From daily planning to long-term projects, Atomic Calendar helps you stay organized with clarity โ€” 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 โ€” all designed to work together seamlessly under a single subscription. Built for people who value simplicity, transparency, and control, Atomic Blend is your alternative to bloated, data-hungry SaaS 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

About

QuickTask

Features
Read full description

QuickTask is a Markdown-backed multi-view task manager designed for iOS and macOS. QuickTask keeps one task source of truth while offering eight projections for daily work, planning, prioritization, hierarchy, and review. KEY FEATURES: - Eight synchronized views: List, Board, Timeline, Tree, Calendar, Matrix, Table, and Mind Map edit the same tasks. - Markdown ownership: Tasks remain portable files with stable identity and user-controlled storage. - Projects and folders: Organize work hierarchically across capable local, cloud, and remote locations. - Quick Add and command palette: Capture structured tasks quickly and reach common operations from the keyboard. - Time and focus: Start task timers, Pomodoro-style focus, work logs, and task-level history. - Review and reports: Triage Inbox, bulk edit, archive, trash, reports, exports, privacy shield, and reviewed AI assistance. PERFECT FOR: - Personal projects, work planning, and multi-step deliverables - People who switch between list, board, timeline, calendar, and hierarchy views - Time tracking and focus sessions attached to real tasks - Portable task data in user-controlled folders GETTING STARTED: - Add a Task Location or choose an existing project. - Use Quick Add or New Task to capture the title, date, project, tags, and notes. - Choose the view that fits the current decision: daily work, priority, schedule, or hierarchy. - Use the Inspector, timers, checklist, dependencies, and bulk actions to execute work. - Review Inbox, reports, archive, and trash to keep the system current. PRIVACY & SECURITY: - Task files remain in locations you control. - Privacy Shield masks sensitive previews without changing the underlying task data. - AI Assist uses reviewable proposals and a visible data-send boundary. - App Lock and storage capability checks protect access without claiming unavailable security. FREE AND PRO: - Start with a seven-day ad-free trial. - Free keeps the full feature set and may show mobile advertising or a daily desktop support reminder. - QuickTask Pro removes ads and reminders through a yearly subscription or a one-time lifetime purchase. Terms of Use: https://kakitiro.com/quickapps/quicktask/terms/

Screenshots

Atomic Calendar4 screens
QuickTask4 screens

Verdict

The call

The clearest difference is in-app purchases: Atomic Calendar at none against QuickTask's 2. Atomic Calendar also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. QuickTask sells 2 in-app purchases, starting at $2.99 per year. Atomic Calendar asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
Atomic Calendar versus QuickTask: the parameters behind the verdict, then further details
ParameterAtomic CalendarQuickTask
PriceFreeFree
Update frequencyโ€”Every 3 weeks
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac โ€” better
Requires iOS13.013.0
Further details โ€” not scored
Size75 MB53 MB
Age rating4+4+
DeveloperBrandon GuigoKAZUHIRO KAKIMOTO

In-app purchases

None

Atomic Calendar

No in-app purchases

2 purchases

QuickTask

Subscriptions1
  • Pro - Annual$2.991 Year
One-time1
  • Pro - Lifetime$12.99

Questions

Is Atomic Calendar free?
Atomic Calendar is free to download, with no in-app purchases.
Is QuickTask free?
QuickTask is free to download, with in-app purchases available.
Do Atomic Calendar or QuickTask have ads?
QuickTask shows ads; Atomic Calendar does not.

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