Arch Calendar vs RankMyTask
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/
RankMyTask
This app helps you manage your to-do list by intelligently prioritizing tasks based on deadlines, impact, and effort. It gamifies productivity with points, streaks, and leaderboards to motivate you and compete with friends.
- AI task scoring
- Score-based task execution
- Competitive leaderboards
- Streak tracking
- Smart planning and suggestions
- Productivity analytics
- Distraction-free design
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RankMyTask — AI Task Prioritization + Points & Leaderboards Stop staring at a long to-do list. RankMyTask analyzes your tasks, ranks them by score, and lets you compete with friends while executing what matters most. Add your tasks and the AI assigns each one a smart score based on deadlines, impact, and effort. Higher score = higher priority. Start with the highest-scoring task first. Complete important tasks to earn more points, build streaks, and climb the leaderboard with friends. See who stays consistent. Push each other to stay productive. What RankMyTask does • AI prioritization: every task gets a smart score based on urgency + impact • Score-based execution: highest points = highest priority • Competitive motivation: leaderboards, streaks, and friend comparisons • Smart planning: detects deadlines, estimates effort/time, and suggests the best order • Analytics that matter: see completion rates, productivity trends, and peak hours • Fast task management: drag & drop, swipe to complete, clean distraction-free design • Seamless sync: Google sign-in, secure cloud storage, sync across devices Made for students & professionals Organize tasks by category. Rank them intelligently within each area of your life. Privacy first Encrypted data, server-side processing, and account deletion anytime. Most to-do apps list tasks. RankMyTask ranks them by score and turns productivity into friendly competition. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: RankMyTask at none against Arch Calendar's 2. On price, update cadence, ads and device support 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. RankMyTask asks for nothing beyond the download.
Arch Calendar ships an update every 9 days, RankMyTask weekly. The most recent releases landed on October 28, 2026 and October 10, 2026 respectively.
| Parameter | Arch Calendar | RankMyTask |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 76.9% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 125 MB | 66 MB |
| Age rating | 4+ | 12+ |
| Developer | MOBA Incorporated | COMPANY ULTRA UNITY LLC |
Customer experience
Arch Calendar
RankMyTask
In-app purchases
Arch Calendar
- Monthly Plan$6.001 Month
- Yearly Plan$48.001 Year
RankMyTask
No in-app purchases









