Shift Calendar (since 2013)
Shift Calendar (since 2013) Summary
Shift Calendar (since 2013) is a ad-supported, with in-app purchases Android app in Productivity by Little Fox Studio. Released in May 2013 (12 years ago). It has about 3.1M+ installs and 39.7K ratings with a 4.61★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 25.5K monthly active users and generates around $<10K monthly revenue (47% IAP / 53% ads). Store metadata: updated Oct 9, 2025.
Recent activity: 3.1K installs this week (13.6K over 4 weeks) showing steady growth , and 1.00 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Apr 14, 2025.
Store info: Last updated on Google Play on Oct 9, 2025 .
4.61★
Ratings: 39.7K
Screenshots
App Description
The shift app for shift workers
This app is designed for all hard-working shift workers. You can add customized shifts.
If you have any suggestion/question, welcome to send an email to me. E-mail: kigurumi.shia@gmail.com
Developer: Chih-Yu Lin
Permission Description:
(1) Storage : With this permission, you can export the screenshot of your calendar created by clicking the 'Share' button.
(2) Run at startup (execute programs after boot completed): The alarm clock will be restarted automatically after rebooting. This permission is required to achieve this goal.
(3) Read Calendar: The events from other calendar apps will be shown in the Note page.
(4) Control Vibration: This is used for the alarm clock function.
(5) Notification: This is used for the alarm clock function so that the app can show the notification when the alarm ringing.
(6) FOREGROUND_SERVICE, USE_FULL_SCREEN_INTENT, SCHEDULE_EXACT_ALARM, WAKE_LOCK: This is used for the alarm clock function so that a dialog can be shown when the alarm ringing.

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