Arch Calendar vs CalAction
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arch Calendar
This minimal calendar app combines an inbox for tasks and ideas with a planning calendar. Seamlessly capture thoughts and drag them onto time blocks to organize your day and enhance focus.
- Quick task and idea capture
- Drag-and-drop time blocking
- Organize work by Smart Spaces
- Unified inbox and calendar
- Minimalist interface
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TIME BLOCKING PLANNER Arch Calendar is a minimal calendar app that unifies an Inbox (store tasks to handle later) and a Calendar (plan what to do) so you can clear a crowded mind. Capture tasks and ideas the moment they appear, then drag and drop them onto time blocks to take control of your day. By removing the unnecessary and keeping only the essentials, we help you stay immersed without switching tools. CORE FEATURES - Quick Capture: Instantly save sudden tasks, ideas, and the link you’re viewing to the Inbox without breaking your flow. - Calendar Planning: Drag and drop to time-block your day and stay in control. - Smart Spaces: Organize active work by categories to keep clear context. WHY ARCH? The arch stands as one of humanity's most brilliant architectural innovations. Perfected by the Romans, it embodies the essence of true productivity: achieving maximum support with minimal materials. Instead of solid walls, its precisely calculated curvature efficiently distributes weight, creating strength through elegant design. This principle reflects the core of productivity: achieving the greatest outcomes with the least resources. By removing unnecessary elements and retaining only what's essential, the arch delivers both structural integrity and beauty, the physical embodiment of the "Less but Better" philosophy. Inspired by the arch, we've consolidated only the most essential features, scheduling, task management, and idea capture, into one streamlined interface. We focus not on elaborate features but on essential functionality that maximizes productivity. WHY CALENDAR-CENTRIC? For most of us, the day starts with checking our calendar. Whether it's the first screen we touch in the morning or what we glance at between meetings, we constantly consult our schedules. Integrating tasks and ideas directly into this frequently used tool isn't just convenient, it's a fundamental improvement to digital workflow. Recognizing this behavioral pattern, we've placed the calendar at Arch Calendar's core, organically incorporating to-do lists and idea management. No need to open additional apps. You can manage tasks and ideas seamlessly at the very moment you check your schedule, maintaining workflow continuity and contextual awareness. MINIMALISM We now stand beneath a relentless waterfall of information. Minimalism serves as a lighthouse in this storm, advocating for "more meaningful" rather than simply "more." By stripping away noise, clarity emerges. Decisions become confident and actions purposeful. Minimalism isn't just aesthetic, it's psychological survival in the digital age. Arch Calendar embodies this approach: every pixel and interaction serves a clear purpose, protecting your focus and creating mental space. Minimalism is intensely practical. It boosts productivity by reducing cognitive load and improving both the speed and quality of decision-making. Arch Calendar minimizes unnecessary choices, alleviating decision fatigue. Its clean interface reduces learning curves, empowering users to quickly engage with what matters. QUESTIONS? Contact us on email hello@archcalendar.com Privacy Policy: https://www.archcalendar.com/ko/privacy Terms of Service: https://www.archcalendar.com/ko/terms-of-service Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CalAction
Effortlessly manage your calendar events by importing ICS files from any source, creating new events from scratch, and organizing your schedule. It offers smart import features, privacy-first design, and powerful search capabilities.
- Import ICS files from any app
- Create and export calendar events
- Smart import with preview and duplicate detection
- Privacy-first, no accounts or tracking
- Search calendar events
- Find and clean duplicate events
- Bulk operations for events
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CalAction makes importing, creating, and managing calendar events effortless. Open any ICS file, create events from scratch, and keep your calendars organized — all in one app. No subscription. Privacy first. IMPORT FROM ANYWHERE Open ICS files from Mail, Safari, WhatsApp, or any app using the Share Sheet. Browse with the file picker, paste from clipboard, enter a URL, scan a QR code, or drag and drop. Six ways to import — CalAction handles them all. CREATE ICS FILES Build calendar events from scratch. Set the title, date, time, location, notes, URL, and alarms. Export as an ICS file, share via QR code, or add directly to your calendar. SMART IMPORT Preview every event before importing. Choose which calendar to add them to. See duplicate warnings so you never import the same event twice. CalAction detects Zoom, Teams, Google Meet, Webex, and FaceTime links and shows a "Join Call" button in your calendar. PRIVATE BY DESIGN Your data never leaves your device. No accounts, no tracking, no analytics. Just a tool that respects your privacy. SEARCH YOUR CALENDAR Find any event by title, location, or notes — across the past and next year. FIND DUPLICATES Scan your calendars for duplicate events. Review grouped results and clean them up in one tap. BULK OPERATIONS Select multiple events to delete, move to another calendar, or export as a single ICS file. SMART CONFLICT RESOLUTION Importing duplicates? See a side-by-side diff and choose to skip, replace, or keep both — per event. AUTO-ROUTING RULES Automatically assign events to the right calendar based on keywords in the title or location. Set it once, import effortlessly. CALENDAR EXPORT Export an entire calendar as a single ICS file. Perfect for backups or migrating between calendar services. MORE FEATURES - Import history with undo — roll back any import - QR code generation for sharing events - 7 accent color themes - 7 colorful icons - Haptic feedback - Choose your preferred maps app (Apple Maps, Google Maps, Waze) - Works with iCloud, Google, Outlook, and Exchange calendars - Share extension for importing from any app - Your data never leaves your device Completely free to use. No subscriptions. No accounts. No tracking.
Screenshots
Verdict
The clearest difference is update cadence: CalAction at every 2 days against Arch Calendar's every 9 days. CalAction also leads on review sentiment (100% vs 77%). Arch Calendar's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Arch Calendar sells 2 in-app purchases, starting at $6.00 per month and CalAction sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Arch Calendar ships an update every 9 days, CalAction every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Arch Calendar | CalAction |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 76.9% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 125 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | MOBA Incorporated | Mijndert Stuij |
Customer experience
Arch Calendar
CalAction
In-app purchases
Arch Calendar
- Monthly Plan$6.001 Month
- Yearly Plan$48.001 Year
CalAction
- CalAction Pro$3.99









