Arch Calendar vs TsukiUsagi Timer
Price, ratings, monetisation and update history for both apps, side by side β 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 youβre 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.β¨ 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. βArch 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.comβ¨ 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/
TsukiUsagi Timer
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When your focus starts to drift, the moon brings it back. TsukiUsagi Timer is a minimalist Pomodoro timer inspired by the quiet rhythm of the night. Start a focus session, take a gentle break, and write a short reflection to reset your mind. Features β’ Clean, distraction-free UI built with SwiftUI β’ Moon animation that marks your focus & break cycles β’ Pomodoro workflow with customizable durations β’ Subtle haptics and local notifications β’ Session history with brief reflections β’ English & Japanese localization β’ Private by design β no sign-in, no data collection Let the moon set the pace: focus, breathe, and return to center.
Screenshots
Verdict
The clearest difference is in-app purchases: TsukiUsagi Timer at none against Arch Calendar's 2. Arch Calendar's advantage is iOS requirement (16.4 vs 18.5). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Arch Calendar sells 2 in-app purchases, starting at $6.00 per month. TsukiUsagi Timer asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on November 9, 2026 and October 30, 2026 respectively.
| Parameter | Arch Calendar | TsukiUsagi Timer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 76.9% of reviews | β |
| Update frequency | Every 9 days | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Monetization | Free | β |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 16.4 β better | 18.5 |
| Further details β not scored | ||
| Size | 126 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | MOBA Incorporated | Kazumi Matsumoto |
In-app purchases
Arch Calendar
- Monthly Plan$6.001 Month
- Yearly Plan$48.001 Year
TsukiUsagi Timer
No in-app purchases
Questions
Is Arch Calendar free?
Is TsukiUsagi Timer free?
Do Arch Calendar or TsukiUsagi Timer have ads?
Which is updated more often, Arch Calendar or TsukiUsagi Timer?
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