Eclipse Calculator 2

Discover the past and future solar and lunar eclipses

Serviastro - Univ. Barcelona · calcEclipsi2.src

Not rated yet 100K+ downloads v2.3.4 29.4 MB Android 8.0+ PEGI 3 · Everyone

Download APK 29.4 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.3.4 (45)
Updated: Aug 5, 2026 (2 months ago)
APK size: 29.4 MB
Requires: Android 8.0+ (API 26)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Education (app)
Permissions: 13 (7 sensitive)
Website: serviastro.am.ub.edu
Developer contact: [email protected]

About this APK

Eclipse Calculator 2 is an app by Serviastro - Univ. Barcelona in the Education category. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.2.15, the minimum Android version rose from 4.0.3 to 8.0. It asks for 13 permissions, 7 of them sensitive, including precise location, camera and read contacts. It asks for the same permissions as version 2.3.3.

What's new in v2.3.4

Added a simulation showing the Moon's shadow moving across Earth's surface during solar eclipses. Minor changes and improvements.

Description

From the listing uploaded by “appupdater”.

This is an application to compute and simulate astronomical events. A tool for astronomy lovers that allows to know in a simple way the general and local circumstances for solar and lunar eclipses and planetary transits. Which future eclipses will be visible from my location? And from the antipodes? What will they be like? How long will they last? And in the past, how many eclipses have there been? All these and many other questions about both, eclipses and planetary transits, are answered with this tool. Now, all the information about these astronomical events in your mobile thanks to this application. Characteristics: * Access to data of all solar and lunar eclipses and planetary transits between 1900 and 2100 (extendable to 1550 - 2300). * Computation of general circumstances of the phenomenon, including global visibility maps. * Computation of the local circumstances of the phenomenon for any place in the world (beginning, end, duration, altitude of the Sun or Moon above the horizon, ...) * Interactive maps to know the circumstances of the eclipse. * Simulation of the phenomenon from your observational point. * Simulation of the path of the Moon shadow on the Earth's surface (solar eclipses). * Simulation of the Moon's path through the Earth's shadow (lunar eclipses). * Choice of observation place from a database, manually or from the GPS coordinates. * Lunar limb profile and Baily's beads. * Sky at totality. * Continuous tracking of your position and update of the contact times. Useful if you observe the eclipse on board a ship. * Possibility of adding the eclipses and transits to the personal calendar. * Countdown. * Available in English, Catalan, Spanish, Danish, Polish, Portuguese, Thai and Chinese.

Version history

6 versions are listed, going back to v2.2.15. Since v2.3.4 it requires Android 8.0+.

v2.3.4 LATEST Aug 5, 2026 29.4 MB TRUSTED v2.3.3 Jul 25, 2026 29.1 MB TRUSTED v2.3.2 Apr 4, 2024 28.9 MB TRUSTED v2.3.1 Dec 26, 2023 28.2 MB TRUSTED v2.2.20 Jun 15, 2026 22.9 MB TRUSTED

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 5, 2026.
Certificate issued to “Universitat de Barcelona” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Aug 5, 2026
Validated against Google Play Aug 5, 2026
Signed byCN=Serviastro, OU=Dept. Astrof?sica, O=Universitat de Barcelona, L=Barcelona, ST=Barcelona, C=ES
Signing certificate (SHA-1)41:DD:60:CE:80:3A:43:0C:07:BE:50:05:E6:31:57:E5:9C:6F:3F:52
File MD550cbd66d334b3878abdf7c61051ca880
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (13)

Eclipse Calculator 2 requests 13 permissions, 7 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Camera Sensitive android.permission.CAMERA
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read calendar Sensitive android.permission.READ_CALENDAR
Read contacts Sensitive android.permission.READ_CONTACTS
Write calendar Sensitive android.permission.WRITE_CALENDAR
Change network state android.permission.CHANGE_NETWORK_STATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) calcEclipsi2.src.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

Eclipse Calculator 2 APK: questions and answers

Is there a version of Eclipse Calculator 2 for older Android phones?

The current version needs Android 8.0 or later. Version 2.3.3 is the newest listed build that installs on Android 6.0 and later. Get version 2.3.3 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Eclipse Calculator 2 APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 50cbd66d334b3878abdf7c61051ca880.