Mobile Observatory 2 - Astrono

2.75d

Wolfgang Zima

4.47

8,719 reviews

100,000+
Downloads

$4.49

Mobile Observatory 2 - The Astronomy App for your Android Device

This app is currently not available on Google Play.

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About Mobile Observatory 2 - Astrono

Mobile Observatory 2 - Astrono was an education app developed by Wolfgang Zima. It was removed from Google Play Mar 22, 2026.

Download Statistics

Mobile Observatory 2 - Astrono had been downloaded 150 thousand times before it became unavailable.

User Ratings

Mobile Observatory 2 - Astrono was rated 4.47 out of 5 stars, based on 8.7 thousand ratings.

App Information

Mobile Observatory 2 - Astrono cost $4.49. The APK size was 33.21 MB. The last available APK version was 2.75d. The last update was on November 7, 2019.

Technical Requirements

Mobile Observatory 2 - Astrono required Android 4.1+ or higher. The app had a content rating of Everyone. The APK had been available on Google Play since January 2011.

Mobile Observatory 2 - Astrono was made and published by Wolfgang Zima. AppBrain is an independent app data site and isn't affiliated with Wolfgang Zima. The app name, icon and description belong to Wolfgang Zima and are shown as last published on Google Play.

Description by Wolfgang Zima (from Google Play)

A new app, Mobile Observatory 3 Pro is now available on Google Play with many exciting new features, enhanced graphics and an optimized user interface.

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Google Play Rating history and histogram

The year before it was removed from Google Play, up to March 2026

6.8K

780

260

170

700

Installs over time

The year before it was removed from Google Play, up to March 2026

Mobile Observatory 2 - Astrono was installed 150 thousand times before it was removed.

Changelog of Mobile Observatory 2 - Astrono

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Developer information for Wolfgang Zima

Wolfgang Zima

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Comments on Mobile Observatory 2 - Astrono for Android

★★★★★ Matthew Westerfield · Apr 2, 2025

What a great deal for such an in-depth and informative app... I use it whenever there's a clear night sky. Thank you developer !!!

★★★★★ Peter P · Sep 23, 2020

I am new (again) to astronomy, looking for help, I found this app, and the reviews were good, so I bought it, thankfully I was not disappointed. I spend a lot more time exploring the app features, probably due to my lack of experience, but it is fun and interesting. I think its way undervalued, but then if it cost more I may not have tried it. HIGH recommendations from an old retired low tech guy! The more I use this app, the more I like it.

★★★★★ Syed Arshad Ali Zaidi · Apr 5, 2020

Best Astronomical App for all things like upcoming events like planets asteroids comets sun n moon solar and lunar eclipse planets position lots of stuff

★☆☆☆☆ Martin Víta · Feb 16, 2020

Author forces users to buy new version by removing support for older devices (where it worked years without problems) even that they had already paid for older version.

★★☆☆☆ S. O. · Jan 15, 2023

Not sure why mobile observatory 2 wasn't just updated to mobile observatory 3 pro, so, in order to update from version 2 to 3 you literally have to buy a separate app? Wow!

★☆☆☆☆ R WM · Sep 30, 2022

Live view hasn't worked for the past 3‐4 years. It always switches to sky view whenever you move.

Technologies used by Mobile Observatory 2 - Astrono

7 permissions · 25 libraries

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