ML revenue forecast.
Calibrated against 35236 apps in this category.
Confidence band
±15%
High — many comparable apps with verified data
At a glance
Earns 13.83× more than the category median (151/mo).
Ranks #898 of 35,236 in Productivity (top 2.5% by revenue).
Launched May 06, 2026 · last updated Sep 08, 2025.
What the app looks like
Live screenshots from the Play Store, captured by our snapshot worker. Tap any image to enlarge.
aCalendar - your calendar's revenue trajectory
Forecast revenue from snapshot history. Last 1 months.
Where aCalendar - your calendar sits in Productivity
Revenue distribution of 35236 comparable apps. aCalendar - your calendar highlighted.
aCalendar - your calendar vs comparable apps
Revenue trajectory side-by-side. Bold = aCalendar - your calendar, ghosted = peers.
App spec
Version
2.9.5
Last update
Sep 08, 2025
Launched
May 06, 2026
Price
Free
Monetization
Free
What aCalendar - your calendar actually does (from store listing)
aCalendar makes your day, week, and month since 14 years!
For questions or problems see our help system at https://acalendar.tapirapps.de or contact our support at support@tapirapps.de
FEATURES
● intuitive navigation between day, week, month and agenda view
● 8 powerful widgets (NEW birthday widget with 2.9)
● multi-select with various actions (NEW in 2.9)
● export as ICS or CSV
● year view
● lots of design and view customizations
● Google Calendar management
● flexible recurrence…
aCalendar makes your day, week, and month since 14 years!
For questions or problems see our help system at https://acalendar.tapirapps.de or contact our support at support@tapirapps.de
FEATURES
● intuitive navigation between day, week, month and agenda view
● 8 powerful widgets (NEW birthday widget with 2.9)
● multi-select with various actions (NEW in 2.9)
● export as ICS or CSV
● year view
● lots of design and view customizations
● Google Calendar management
● flexible recurrences
● birthdays from your contacts (or without contacts)
● uses Android's native calendar backend and synchronization
● moon phases
● printing
● mini month or graphical week overview in day and week view
● free with ads and some one-time IAPs
EXTRA FEATURES (aCalendar+ or as In-App-Purchase)
● Public holidays (and school holidays for some countries) - configurable in the calendar list
● More colors (theme/UI colors, background colors, calendar colors, event colors)
● Business features (Invite attendees, link contacts, free/busy, private, profiles, share as ICS)
● Tasks (manage Google Tasks or tasks from CalDAV/OpenTasks)
● No ads (removes the occasional ad)
♥ 10% for the planet! Tapir Apps is a proud sponsor of World Land Trust, Rainforest Trust and the Tapir Specialist Group.
USAGE
● move forward and backward in the calendar by swiping vertically
● switch between calendar views with a horizontal swipe (opens the day or week you start the swipe gesture on) or double-tap for day view
● tap to open a calendar event
● long-press to add new calendar event
● long-press on mini-month to go to today or jump to date
● configurable actions on 3-finger-tap, tap on title, volume buttons
● long press an event in day view to drag to a different time
PERMISSIONS
aCalendar only requests permissions needed for app functionality. aCalendar+ respects your privacy and will NEVER send any of your private data anywhere unless configured by YOU. Please contact us if you have questions about permissions.
TRANSLATIONS
aCalendar+ is translated into more than 30 languages, mostly by volunteers - please let us know if there is a bad translation somewhere or you want to add your language.
LOVE
♥ aCalendar is made with love, sweat and tears in the heart of Munich. If you like aCalendar, please rate or comment and recommend it to your friends. Also consider upgrading to aCalendar+ for extra features ♥
Comparable Android apps
The five apps in Productivity with the closest revenue to aCalendar - your calendar. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on aCalendar - your calendar's tracker page for current rating, reviews and snapshot timeline.
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