Calendar Op.2
Calendar Op.2 Summary
Calendar Op.2 is a ad-supported, with in-app purchases iOS app in Productivity by Yui Sakamoto. Released in Apr 2017 (9 years ago). It has 14K ratings with a 4.65★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 57.6K monthly active users and generates around $<10K monthly revenue (35% IAP / 65% ads). Store metadata: updated Jun 7, 2026, version 5.
Recent activity: 34 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Jun 3, 2026.
Store info: Last updated on App Store on Jun 7, 2026 (version 5).
SDKs, Trackers & Permissions
Calendar Op.2 was last scanned for SDKs 2026-06-03. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Google
nanopb
FirebaseApp Details
App Store
Ads & App-Ads.txt
AppGoblin SDK Scans
4.65★
Ratings: 14K
Screenshots
App Description
Calendar Op.2 [opus two] is a simple and beautifully designed calendar, planner, and agenda app for iPhone and iPad.
Stay organized with a clean monthly view, intuitive vertical scrolling, and fast schedule management. Whether you're planning work, personal events, family activities, or daily tasks, Calendar Op.2 helps you manage your time without unnecessary complexity.
Unlike traditional calendar apps, Calendar Op.2 allows you to scroll naturally through months while keeping your schedule easy to read and understand.
NEW IN VERSION 2.0
• Universal app for iPhone and iPad
• Optimized layouts for larger screens
• Improved performance and usability
• Refreshed user experience
FEATURES
• Clean vertical scrolling calendar
• Beautiful monthly planner view
• Easy-to-read agenda and event list views
• Event titles displayed directly on the calendar
• Quick daily event pop-up window
• Fast incremental search
• Copy and paste events
• Smooth month-to-month navigation
• Sync with iCloud Calendar, Google Calendar, Outlook, Exchange, and other calendars supported by iOS
• Works seamlessly with the built-in iOS Calendar system
PERFECT FOR
• Personal scheduling
• Work and business planning
• Family calendars
• School schedules
• Daily task organization
• Long-term event planning
WHY USERS LOVE CALENDAR OP.2
• Simple and intuitive
• Fast and responsive
• Clean and distraction-free design
• Easy-to-read monthly calendar
• Smooth vertical scrolling experience
• Designed for people who prefer simplicity
If you're looking for a simple calendar, monthly planner, agenda, or schedule organizer that stays out of your way and helps you focus on what matters, Calendar Op.2 is the perfect choice.
Trusted by thousands of users worldwide.