One Calendar

Developer: Code Spark

Category: Productivity

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1.7M installs

63.5K ratings

44.2K monthly active users

$10K+ monthly revenue est.

IAP 100% · Ad 0%

Install Trends

Weekly +2.3K

Trending

Monthly +118.7K

Trending

One Calendar Summary

One Calendar is a with in-app purchases Android app in Productivity by Code Spark. Released in Apr 2018 (7 years ago). It has about 1.7M+ installs and 63.5K ratings with a 4.70★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 44.2K monthly active users and generates around $10K+ monthly revenue (100% IAP / 0% ads). Store metadata: updated Nov 28, 2025.

Recent activity: 2.3K installs this week (118.7K over 4 weeks) showing exceptional growth , and 61 new ratings this week View trends →

Store info: Last updated on Google Play on Nov 28, 2025 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: biz.codespark.xcalendarapp

First Released: 2018-04-27

Store Last Updated: 2025-11-28

In-App Purchases: Yes

Ads: No

Website: onecalendar.nl

App Store

Crawl Status: Success

AppGoblin First Crawled: 2021-02-06

AppGoblin Last Crawled: 2026-04-11

Ads & App-Ads.txt

App does not have ads.

AppGoblin SDK Scans

App not yet analyzed for SDKs.

The download and scan process is automated but can require manual troubleshooting. Feel free to reach out if your request does not complete in 24hrs or if you have any questions.

4.7★

Ratings: 63.5K

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Screenshots

App Description

Manage all your calendars in ONE place!

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).