---
title: "CO2 on Watch & Lockscreen - Reviews, Revenue and Downloads in Switzerland | Apple App Store"
description: "Enhance your Aranet4, Airvalent or Inkbird IAM-T1 monitoring experience with an app focused on Apple Watch integration and Lock Screen widgets. (this is a companion app focusing on Apple Watch integra"
---

# CO2 on Watch & Lockscreen — Switzerland

![CO2 on Watch & Lockscreen App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/a1/2f/2d/a12f2d12-ebae-984d-46a5-fca553e33b24/logo-0-0-1x_U007epad-0-1-sRGB-85-220.png/434x0w.png)

**Developer:** [Kevin Floch](https://apptail.io/developer/kevin-floch-smIO)
**Category:** Utilities
**Rating:** 4.3/5 (3 ratings)
**Price:** Free
**Bundle ID:** com.TechCare.Aranet-co2
**Store:** Apple App Store
**Country:** Switzerland
**Version:** 3.0.6 (released 2026-03-18)
**Original Release:** 2025-01-18
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ch/app/app/id6738605498)
**AppTail Page:** [https://apptail.io/app/co2-on-watch-lockscreen-tWOv/switzerland](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/switzerland)

## CO2 on Watch & Lockscreen Description
Enhance your Aranet4, Airvalent or Inkbird IAM-T1 monitoring experience with an app focused on Apple Watch integration and Lock Screen widgets.
(this is a companion app focusing on Apple Watch integration and Lock Screen visibility; for the original features, please use the official apps).

KEY FEATURES:
- Apple Watch Integration: Monitor CO₂ levels directly from your wrist with multiple complication styles (including a 3hr history graph)
- Lock Screen Widgets: Keep CO₂ readings visible at all times on your iPhone
- Smart Alerts: Customizable CO₂ threshold notifications
- Background Monitoring: Continuous tracking even when the app isn't active
- Live activity: for real-time monitoring
- Color-coded Visuals: Quick understanding of air quality status

DEVICE COMPATIBILITY:
- Works with Aranet4, Airvalent and Inkbird IAM-T1 devices.

The app is free to test and connect to your device, with in-app purchases available for premium features.

This app is licensed under the standard Apple EULA: 

## CO2 on Watch & Lockscreen Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/37/52/28/37522879-66b3-50f5-f372-3e3b7571ff2b/Aranet_1320x2868__U00286_U0029.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/25/f8/47/25f847e5-bac4-c13e-0cc0-18a4b95f9442/9.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3e/9e/54/3e9e543a-9327-1e3d-7f20-925fd37139af/10.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/46/b4/1c/46b41c24-8eb9-3776-37db-eb6eb659113c/11.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/23/81/62/2381625a-1627-ccf8-0cd1-38d178b22a7f/12.png/1320x2868.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/64/58/da/6458da58-0eeb-ea22-91cf-2f87151e6441/14.png/1320x2868.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1c/ae/fc/1caefc3f-c5c0-788d-3f17-7d4f076e6f02/13.png/1320x2868.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f9/9a/e4/f99ae46c-2a0c-a138-f77c-418c228a3dce/16.png/1320x2868.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/22/e2/14/22e214bf-737f-d7a6-0ff3-d7446420c5c0/15.png/1320x2868.png)

## CO2 on Watch & Lockscreen Rating Breakdown in Switzerland
- 5 stars: 2 (67%)
- 4 stars: 0 (0%)
- 3 stars: 1 (33%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## CO2 on Watch & Lockscreen In-App Purchases
| Item | Price |
|------|-------|
| CO2_Monthly | CHF 2.00 |
| CO2_Annually | CHF 10.00 |
| CO2_Lifetime | CHF 20.00 |
| CO2_Lifetime_Upgrade2 | CHF 10.00 |




## CO2 on Watch & Lockscreen Available In
- [Switzerland](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/switzerland)
- [United States](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/united-states)
- [United Kingdom](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/united-kingdom)
- [Canada](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/canada)
- [Dominican Republic](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/dominican-republic)
- [Finland](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/finland)
- [France](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/france)
- [Brazil](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/brazil)
- [China](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/china)
- [Indonesia](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/indonesia)
- [Japan](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/japan)
- [Latvia](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/latvia)
- [Mexico](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/mexico)
- [Hong Kong SAR China](https://apptail.io/app/co2-on-watch-lockscreen-tWOv/hong-kong)

---

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