Simple Moon Phase Calendar
Simple Moon Phase Calendar Summary
Simple Moon Phase Calendar is a ad-supported, with in-app purchases Android app in Weather by fxwill. Released in Apr 2016 (9 years ago). It has about 467.6K+ installs and 1.4K ratings with a 4.56★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 2.3K monthly active users and generates around $<10K monthly revenue (40% IAP / 60% ads). Store metadata: updated Oct 31, 2025, version 1404.
Recent activity: 122 installs this week (877 over 4 weeks) showing below average growth View trends →
Advertising: AppGoblin detected 1.00 monetized ad creatives shown inside the app.
Data tracking: SDKs and third-party integrations were last analyzed on Mar 8, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jun 9, 2025.
Store info: Last updated on Google Play on Oct 31, 2025 (version 1404).
Simple Moon Phase Calendar was last scanned for SDKs 2026-03-08. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Kotlin
Google
Firebase
AdMob4.56★
Ratings: 1.4K
Screenshots
App Description
It is a simple moon phase calendar. There is also a widget.
It is the succeeding app that renewed "Simple Moon Phase Widget".
Improved point:
- Upgraded calendar (Variations of the background, Additional data, MoonSign and Mercury retrograde, etc.)
- Lightweighting of app capacity
- Notification is possible without setting the widget to the home screen
- Change of the moon color of the widget is possible in trial
Function:
- When you tap the date on the calendar to migrate to the detail screen that to display the large moon image.
- Detailed data is age of the moon, the distance to the moon, percent illuminated, time of the moonset/moonrise, Moon sign, Mercury retrograde.
- Notify full moon and new moon, first quarter, last quarter in the status bar.
- Full moon and new moon, first quarter, last quarter will be announced in the widget.
- Widget is resizable.
- There is also a memo function on the calendar.
★ There is a paid function to change the color of the moon.
Notice:
* Need permission of Storage and Location.
* This app does not change the wallpaper. Please prepare wallpaper by yourself.
* This app is not provided image to completely reproduce the libration of the moon.
The position of the pattern of the moon phase, such as craters, shifts from a fact a little periodically.
What is Libration:
'In astronomy, libration is an oscillating motion of orbiting bodies relative to each other, notably including the motion of the Moon relative to Earth, or of Trojan asteroids relative to planets.'
In Wikipedia: The Free Encyclopedia.
Retrieved from http://en.wikipedia.org/wiki/Libration