---
title: "Caluwin - Reviews, Revenue and Downloads in China | Apple App Store"
description: "Caluwin is an app for calculating U-values of windows according  to DIN EN ISO 10077 and DIN EN13947.  Features:  - Uw-values of windows according to DIN EN ISO 10077-1  - Condensation calculator  - S"
---

# Caluwin — China

![Caluwin App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/1c/47/15/1c471584-f03a-101c-7d15-23cd80678373/AppIcon-0-0-1x_U007emarketing-0-9-0-0-85-220.png/434x0w.png)

**Developer:** [Sommer Informatik](https://apptail.io/developer/sommer-informatik-bvd) (Germany)
**Category:** Utilities
**Rating:** 5.0/5 (3 ratings)
**Price:** Free
**Bundle ID:** de.sommer-informatik.Caluwin
**Store:** Apple App Store
**Country:** China
**Version:** 0.134.66 (released 2025-01-08)
**Original Release:** 2013-09-10
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/cn/app/app/id688220781)
**AppTail Page:** [https://apptail.io/app/caluwin-VOJe/china](https://apptail.io/app/caluwin-VOJe/china)

## Caluwin Description
Caluwin is an app for calculating U-values of windows according 
to DIN EN ISO 10077 and DIN EN13947.

Features:

- Uw-values of windows according to DIN EN ISO 10077-1

- Condensation calculator

- Surface temperatures and condensation risk in the glass edge area

- Window Energy Savings Winter

- Window Energy Savings Summer

- Window Energy Savings Winter + Summer

- Window Energy Ratings Switzerland, Denmark, France, UK

- Passive House Efficiency

- SWS Air Simulation (lifetime, elevated transport)

## Caluwin Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e8/f8/fb/e8f8fbc8-7437-dcb4-df4a-d493ac722c70/f861a7e0-a378-4727-962f-bdb6b3fb2d33_winuw.de_cw__U0028iPhone_XS_Max_U0029.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/10/fe/60/10fe6030-8059-a070-52e0-f53a416654b3/fb654708-1813-4528-a75c-4505575767c2_winuw.de_cw__U0028iPhone_XS_Max_U0029__U00281_U0029.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/1f/1d/bd/1f1dbdb0-53cd-295d-8cf8-a3b66caed6d2/e114cd42-758f-4b88-8217-d9e28813e4e2_winuw.de_cw__U0028iPhone_XS_Max_U0029__U00282_U0029.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource112/v4/b8/aa/c6/b8aac67d-ad8d-f6b8-c9e2-6545d669d069/75171e23-21fa-4621-8dc3-4eee75dcc2a4_winuw.de_cw__U0028iPhone_XS_Max_U0029__U00283_U0029.png/1242x2688.png)

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






## Caluwin Available In
- [China](https://apptail.io/app/caluwin-VOJe/china)
- [Switzerland](https://apptail.io/app/caluwin-VOJe/switzerland)
- [Germany](https://apptail.io/app/caluwin-VOJe/germany)
- [Azerbaijan](https://apptail.io/app/caluwin-VOJe/azerbaijan)
- [Belgium](https://apptail.io/app/caluwin-VOJe/belgium)
- [Canada](https://apptail.io/app/caluwin-VOJe/canada)
- [Chile](https://apptail.io/app/caluwin-VOJe/chile)
- [Colombia](https://apptail.io/app/caluwin-VOJe/colombia)
- [Czechia](https://apptail.io/app/caluwin-VOJe/czechia)
- [France](https://apptail.io/app/caluwin-VOJe/france)
- [Greece](https://apptail.io/app/caluwin-VOJe/greece)
- [Hong Kong SAR China](https://apptail.io/app/caluwin-VOJe/hong-kong)
- [Ireland](https://apptail.io/app/caluwin-VOJe/ireland)
- [India](https://apptail.io/app/caluwin-VOJe/india)
- [South Korea](https://apptail.io/app/caluwin-VOJe/south-korea)
- [Mexico](https://apptail.io/app/caluwin-VOJe/mexico)
- [Malaysia](https://apptail.io/app/caluwin-VOJe/malaysia)
- [Netherlands](https://apptail.io/app/caluwin-VOJe/netherlands)
- [Norway](https://apptail.io/app/caluwin-VOJe/norway)
- [Peru](https://apptail.io/app/caluwin-VOJe/peru)
- [Saudi Arabia](https://apptail.io/app/caluwin-VOJe/saudi-arabia)
- [Singapore](https://apptail.io/app/caluwin-VOJe/singapore)
- [United States](https://apptail.io/app/caluwin-VOJe/united-states)
- [Uzbekistan](https://apptail.io/app/caluwin-VOJe/uzbekistan)
- [United Arab Emirates](https://apptail.io/app/caluwin-VOJe/united-arab-emirates)
- [Vietnam](https://apptail.io/app/caluwin-VOJe/vietnam)
- [Austria](https://apptail.io/app/caluwin-VOJe/austria)
- [Australia](https://apptail.io/app/caluwin-VOJe/australia)

---

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