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aCalendar+ Calendar & Tasks for Android

By Tapir Apps GmbH $5.99

Developer's Description

aCalendar+ is the premium version of aCalendar - please try the free calendar app aCalendar first!

aCalendar+ gives you many additional calendar features and your purchase supports further development and helps protecting the endangered Mountain Tapir.

EXTRA FEATURES (aCalendar+ or as In-App-Purchase)

Public holidays (and school holidays for some countries) - configurable in the calendar list

Color themes (UI and Widget colors, dark background - NOT event colors: those are defined by your calendar service)

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 advertisement)

Tapir Apps donates 10% of all revenue (app purchase, IAP, ads) to rainforest conservation through our friends at World Land Trust


intuitive navigation with smooth transitions

day, week, month and year view

Fullscreen widgets

flexible recurrences like every 3 weeks, every 17 days, or every Mon, Wed and Fri

48 colors per calendar

per-event colors (if supported by the event's calendar)

custom event font size

birthdays & anniversaries with photos from your addressbook and editing

uses Android's native calendar backend and synchronization

no battery drain through polling

moon phases and zodiac signs for birthdays

12/24h clock honoring system settings

optimized text display and improved line-break


move forward and backward in the calendar by swiping vertically or volume rocker

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

tap on photo to open quick contact menu

3-finger-tap: configurable action

Drag'n'Drop: tap plus long press in day view (use volume rocker to change day)


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.


aCalendar+ is translated into more than 30 languages, mostly by volunteers - please let me know if there is a bad translation somewhere or you want to add your language.


If you like aCalendar+, please show your support by leaving a good rating and recommending it to your friends


Unfortunately app2SD cannot be supported, because homescreen widgets do not work from SD in Android. But aCalendar+ is optimized for speed and small memory footprint.

Full Specifications

What's new in version

Questions or Feedback? Write us to

Changes in 1.17.5

Workaround for Huawei Oreo Widget bug (please contact Huawei Support to get this permanently fixed).

Update holidays


Release November 9, 2018
Date Added November 9, 2018

Operating Systems

Operating Systems Android
Additional Requirements None


Total Downloads 21
Downloads Last Week 0
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