Moon Book
Moon Book Summary
Moon Book is a mobile Android app in Education by 株式会社ビクセン. Released in Aug 2014 (11 years ago). It has about 68.3K+ installs and 220 ratings with a 3.77★ (average) average. Based on AppGoblin estimates, it reaches roughly 358 monthly active users . Store metadata: updated Dec 26, 2025, version 32.
Recent activity: 53 installs this week (478 over 4 weeks) showing above average growth View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Sep 16, 2025. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Sep 16, 2025.
Store info: Last updated on Google Play on Dec 26, 2025 (version 32).
Moon Book was last scanned for SDKs 2025-09-16. 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.
Firebase
Google3.77★
Ratings: 220
Screenshots
App Description
The Moon Book App clearly shows you when eclipse of the moon can be viewed.
The time of beginning or ending penumbral eclipse is simultaneous around the country but a place of beginning total eclipse differs from pace to place. The Moon Book will show you the phases of the moon eclipse at your place.
You will be able to set up any observing place beforehand if the moon eclipse star chart is selected. When you move to a distant place for observing the moon eclipse, you will be able to know in advance a place where the Earth’s shadow starts hiding the moon.
You will be able to check a start time of the moon eclipse overseas also.
Tapping on the moon icon at the upper left corner of the star chart will show you thumbnail images of the phases of the moon eclipse at regular intervals. The interval of the thumbnail images can be changed.
A large volume of calculation is required for the indication of the moon eclipse and it will be better to use a terminal device with performance as high as possible.
For Android, version 4.0 or later is recommendable.