Checkmark All in One Calendar

Checkmark All in One Calendar


(4 stars)


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100,000 - 500,000 downloads

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A true multipurpose All-in-One calendar which manages all synced calendars on your phone(Google Calendars, Outlook calendars, etc.), integrates with a powerful To Do list | Task list app(Checkmark To Do List Manager), displays all Contacts with birthday and anniversary date defined, tracks all your multimedia data in phone's gallery based on date taken, shows zodiac signs and their traits in Zodiac Calendar and moon phase in Moon Phase Calendar.

Free version allows user to view event data in 3 month period(past, present and future).

The calendars can be viewed individually or in combination by generating an integrated calendar. Checkmark All-in-One Calendar provides Day, Week and Month viewing formats. Each viewing format is customizable according to user's preferences. Week viewing format supporting both 5-day (work day) and 7-day (whole week) views. Each Calendar is color coded to distinguish from each other. User can add/view/edit Calendar event or Checkmark To Do List Manager Task/Checklist directly from Checkmark Calendar. Build in search function to easily find your tasks/events.

Calendar can be viewed in different style based on calendar type(Country Holidays, religious Holidays, sports schedule, etc). Please visit for supported calendar style.

Built-in Contact Calendar to display contacts with birthday and anniversary date defined.

Built-in Zodiac Calendar to display Zodiac signs and traits. fully Integrated with Contacts Calendar to show contacts' zodiac info.

Built-in Moon Phase Calendar to display moon phase of any day graphically

Simple, ergonomic design and intuitive navigation. Users can perform most of their operations by clicking, swipe or long click UI elements.

4x1, 5x1, 4x1, 5x2 week view widget and 4x4, 5x5 month view widget support(pro only). The app is also Android tablet ready.

Multiple languages support: English, français, Deutsch, italiano, Español, Nederlands, polski, čeština, português, 中文(简繁體), 日本語, 한국어, русский, svenska, norsk, dansk, हिन्दी and suomi.

To learn more, please visit our Checkmark Calendar web site:

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Recently changed in this version

1. Added new Class Schedule style to display class schedule (pro version only). The style allows user to display class schedule in a more user friendly way in hourly week view.
Please visit for more info.
2. Added event status icons to events in hourly day view.
3. some user interface changes.

Comments and ratings for Checkmark All in One Calendar
  • (58 stars)

    by Miao C on 05/07/2014

    nice calendar app

  • (58 stars)

    by Marky Mark Whalleyed on 04/07/2014

    Uses the stock calander. If that's how this works then why bother with this app? Simply use the stock calendar and skip "bloatware" add-ons

  • (58 stars)

    by robert kakusuken on 13/06/2014

    Multiple reasons

  • (58 stars)

    by shauna slaback on 03/04/2014

    I am looking for a specific calendar app, and this one seems great, but when I need to update an appointment it took me through the standard google calendar app. Why have 2 apps, when I only need 1? I also think that being able to add photos not stickers to an event should be made available.

  • (58 stars)

    by Linda Ancheta on 20/03/2014

    Just found it

  • (58 stars)

    by Rosemary Stevens on 26/02/2014

    Too much information on the screen even after switching various calendars off. Screen looks blurry and the background colour is a dull Grey

  • (58 stars)

    by Susan K on 14/01/2014

    Other due the same

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