---
title: "3-2-1-Heiss! - Reviews, Revenue and Downloads in Germany | Apple App Store"
description: "3-2-1 Heiss! ist die Begleit-App zum gleichnamigen Citizen Science Projekt in der Stadt Luzern. Gemeinsam decken wir Hitzeinseln auf und sammeln Messwerte für ein besseres Stadtklima."
---

# 3-2-1-Heiss! — Germany
> Hitzeinseln in Luzern

![3-2-1 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/34/6d/27/346d276d-82ff-3dd1-0761-100979ae310b/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [NIKLAS CASPAR VON HEYDEN](https://apptail.io/developer/niklas-caspar-von-heyden-zxXlF) (Switzerland)
**Category:** Weather
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** com.noa.321heiss
**Store:** Apple App Store
**Country:** Germany
**Version:** 1.0 (released 2025-07-29)
**Original Release:** 2025-07-29
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/de/app/app/id6748224987)
**AppTail Page:** [https://apptail.io/app/3-2-1-heiss-lMpw/germany](https://apptail.io/app/3-2-1-heiss-lMpw/germany)

## 3-2-1 Description
3-2-1 Heiss! ist die Begleit-App zum gleichnamigen Citizen Science Projekt in der Stadt Luzern. Gemeinsam decken wir Hitzeinseln auf und sammeln Messwerte für ein besseres Stadtklima.

## 3-2-1 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/74/3d/88/743d8818-dd9e-a3fa-b0e1-0887c8c2dc32/1.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d3/c6/16/d3c616e5-e56a-2110-c75e-c302183489ee/3.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f8/99/45/f89945ca-6624-cda6-1833-57c5c1ebbc37/2.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f9/c5/03/f9c503be-300e-b5ae-2085-540d4ed3ce48/4.png/1320x2868.png)

## 3-2-1 Rating Breakdown in Germany
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)







---

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