Hallo Baum

1K+
Downloads
Content rating
Everyone
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About this app

Hello Tree brings you into contact with your neighbors: the trees on your street.
(In selected cities, based on data from urban tree registers)

Stand next to your tree and tap the "Hello Tree" button!
Then your tree tells you who it is and what it does for you.

The “Hello Tree” project aims to raise awareness of the performance and importance of our city trees. To do this, publicly available data on city trees and soil conditions were compiled and various characteristics of each tree were calculated. You can now access this information via the app while walking through the city.

The app is currently working in many cities in Germany and Austria:
- Berlin
- Dortmund
- Dresden
- Duisburg
- Frankfurt am Main
- Gelsenkirchen
- Göttingen
- Halle (Saale)
-Hamburg
- Cologne
-Leipzig
- Linz
-Magdeburg
- Norderstedt
-Rostock
- Vienna
- Würzburg

The integration of further cities is being planned.
Updated on
Jul 14, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App activity
Data is encrypted in transit

What’s new

Anpassung an die aktuellen Google-Richtlinien

App support

About the developer
Thomas Erik Amthor
hello@thomas-amthor.de
Germany
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