One Calendar app analytics for February 21

One Calendar

Code Spark
Google Play Store
Free
Productivity

The most popular app to view all your calendars like Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, Nextcloud, Synology, GMX, Mailbox.org, ownCloud and more. OneCalendar integrates all your calendars into an easy-to-read overview. View and manage all your appointments, events and birthdays. OneCalendar is available on all platforms (Android, iOS, MacOS and Windows).

One Calendar Usage Rank

The usage rank is based on Similarweb's algorithm that calculates current installs and active users over a 28-day period.

All Categories in

Germany#1,173

Productivity in

Germany#128

Daily active users

Analyze usage patterns of One Calendar users by viewing One Calendar downloads and daily active users over time.

Users

Analyze usage patterns of One Calendar users by viewing One Calendar downloads and daily active users over time.

Unlock daily active users

DecJanFeb

One Calendar Ranking Stats Over Time

Similarweb's Usage Rank & Google Play Store Rank for One Calendar

Rank

One Calendar Ranking by Country

Counties in which One Calendar has the highest ranking in its main categories

#415	Canada	39
#812	Ireland	3
#1029	Israel	5
#1113	France	97
#1173	Germany	133

See all countries

#46	Canada	2
#97	Ireland	1
#124	France	12
#125	United Kingdom	8
#128	Germany	13

See all countries

Users Interests & Top Categories

Top categories and apps used by One Calendar users

13%

11%

9%

9%

Top Competitors & Alternative Apps

Apps with a high probability of being used by the same users, from the same store.

DigiCal Calendar Agenda

Digibites

DAVx⁵ – CalDAV CardDAV WebDAV

bitfire web engineering

Simple Calendar - easy planner

Komorebi Inc.

Calendar Widget: Month/Agenda

Milan Sillik

More competitors

One Calendar VS.

February 21, 2026