aCalendar - your calendar

aCalendar - your calendar
  • DeveloperTapir Apps GmbH
  • GenreProductivity
  • Installs10,000,000+
  • UpdatedSep 8, 2025
  • Version2.9.5
  • RequirementsAndroid
  • ReleasedMay 29, 2011
  • ContentEveryone
Open official listingAPK metadata only

aCalendar - your calendar screenshot 1aCalendar - your calendar screenshot 2aCalendar - your calendar screenshot 3aCalendar - your calendar screenshot 4aCalendar - your calendar screenshot 5aCalendar - your calendar screenshot 6

aCalendar - your calendar

Editorial review: aCalendar - your calendar APK and install guide

A useful APK page for aCalendar - your calendar has to do more than repeat a store description. It should explain what kind of user the productivity listing is for, where the APK source points, what fields are missing, and which signals deserve a second look. This profile starts with org.withouthat.acalendar, Tapir Apps GmbH, version 2.9.5, Not published by official listing, and Check official listing before install, then adds install-readiness notes around those facts.

The official short summary says: "aCalendar - makes your day, week and month!". opskd treats that as a claim to verify, not as a complete review, because store copy often emphasizes features while leaving permissions, account requirements, monetization, and source status for the user to check separately.

10,000,000+ installs indicates broad adoption, so comparison should focus on whether the current version still matches the reputation built by earlier releases. 4.4 out of 5 across 100,879 ratings suggests a generally positive reception. For this score band, the useful question is whether the app's strengths match your needs and whether recent updates or user expectations have changed since the rating base was built.

The listing has been updated within the past year, about 268 days ago. That is acceptable for many categories, but the official listing should still be checked for compatibility notes and recent user feedback.

Who this APK listing is for

aCalendar - your calendar is most relevant for people who use Android for documents, planning, notes, work communication, scanning, or repeatable daily workflows. A good fit means the app's stated purpose, screenshots, rating pattern, developer identity, and official source all support the same story. If you only need a quick category browse, compare it with nearby productivity alternatives; if you are close to installing, slow down and check the APK identity rows first.

  • Best fit: people who use Android for documents, planning, notes, work communication, scanning, or repeatable daily workflows.
  • Review focus: reliability, account dependency, export options, sync behavior, offline mode, privacy controls, and how easy it is to leave the app later.
  • Current public signal: 10,000,000+ installs and 4.4 out of 5 rating data.

APK source and identity

This page exposes APK metadata for the listing but does not claim to host a standalone APK package. That distinction is intentional. Use the package name, version, file size field, Android requirement, and official listing link as comparison points when you verify the app outside opskd.

  • Package: org.withouthat.acalendar.
  • Version shown: 2.9.5.
  • Source status: APK metadata only.
  • Integrity status: No standalone APK hash is published for this listing yet.

Listing quality signals

The useful signals for aCalendar - your calendar are not only the headline score. opskd reads the listing through category fit, developer transparency, version clarity, source status, screenshot availability, privacy policy access, and whether the official description makes specific claims that can be checked. For productivity, the most important review focus is reliability, account dependency, export options, sync behavior, offline mode, privacy controls, and how easy it is to leave the app later.

  • Ads or ad-like wording appear in the listing, so review whether placement interrupts active tasks or gameplay.
  • Paid features, subscriptions, trials, or in-app purchases may affect the real cost of using the app.
  • Account, login, sync, or cloud language suggests you should check data retention and export options.
  • Family or learning language makes age fit, privacy policy clarity, and parent controls especially important.
  • Online, social, or leaderboard features can add account, moderation, and notification considerations.

Trust checks before install

For productivity apps, permissions can matter as much as the feature list. verify file access permissions, cloud sync settings, subscription terms, background activity, and whether the app works without an account. A privacy policy is especially important when the app handles documents, children's activity, learning progress, files, cloud sync, user accounts, location, chat, or social features. If a permission does not fit the app's purpose, treat that as a reason to slow down and verify the developer's explanation.

  • Developer website — Check ownership, support channels, and product documentation from Tapir Apps GmbH.
  • Privacy policy — Review what data may be collected, shared, or retained.
  • Official listing — Confirm the current version, rating, screenshots, and install availability.

Decision checklist

Use this checklist before acting on aCalendar - your calendar. It is designed for quick comparison across all APK listings on opskd, so every app keeps the same core fields visible while the surrounding review notes adapt to category, rating, update freshness, and source status.

  • Confirm that org.withouthat.acalendar matches the official listing before trusting any install path.
  • Compare version 2.9.5, file size Not published by official listing, and Android requirement: Check official listing before install.
  • Review Tapir Apps GmbH's privacy policy and support links, especially if the app asks for accounts, files, location, camera, microphone, contacts, or cloud sync.
  • Treat 4.4 out of 5 and 10,000,000+ installs as discovery signals, not proof that the app is safe or right for your device.

Bottom line: aCalendar - your calendar is worth considering only if its package name, developer, source status, version, Android requirement, privacy policy, and permission profile all make sense for your use case. opskd keeps every APK listing exposed while adding this review layer so the page offers more than copied store text and gives you a clearer path before installing.

Official listing description

This is the official app listing description provided for reference. It does not mean opskd hosts a direct APK file for this app.

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 [email protected]

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 ♥
Application popularity
87%
  • 100,879 ratings
  • 5,964 reviews

APK details

aCalendar - your calendar APK identity, source status, and install checks.

Open official listing
  • Package nameorg.withouthat.acalendar
  • Version2.9.5
  • File sizeNot published by official listing
  • Android requirementCheck official listing before install
  • APK sourceOfficial Google Play listing only
  • Integrity checkNo standalone APK hash is published for this listing yet
  • Safety noteInstall only after checking the official listing and requested permissions.
APK source checkopskd does not host a direct APK for this listing yet. We show the package name, version, file size, Android requirement, and official listing so you can verify the app before leaving the page.

App Information

  • DeveloperTapir Apps GmbH
  • CategoryProductivity
  • Version2.9.5
  • Installs10,000,000+
  • UpdatedSep 8, 2025
  • ReleasedMay 29, 2011
  • Content ratingEveryone
  • Android versionAndroid
  • SizeUnknown

Similar Apps

Recommended Apps