CO2 sensor
Display SCD-41 CO2 readings.
About
Monitor CO2, temperature, and humidity levels in real-time using a Bluetooth sensor. Save readings with location data and sync them across Apple devices via iCloud. View historical data on a map.
What's New in CO2 sensor
1.3
September 29, 2025
Updated for iOS 26.
Developer apps
FAQ
What devices does CO2 sensor work on?
CO2 sensor is compatible with Mac, iPhone, iPad, and iPod devices. It utilizes iCloud sync, making it convenient for users with multiple Apple products.
How often is CO2 sensor updated?
The latest version of CO2 sensor is 1.3, last updated on September 29, 2025. While specific update frequency isn't detailed, the app has seen regular updates since its release in 2022.
Is CO2 sensor suitable for children?
CO2 sensor has an age rating of 4+, indicating it is appropriate for young users. The app's functionality is straightforward and focuses on displaying sensor data.
What is the user sentiment for CO2 sensor?
User sentiment for CO2 sensor appears mixed, with an average rating of 2.7 stars from 3 ratings. This suggests some users may have encountered issues or have specific feature requests.
Does CO2 sensor have ads?
No, CO2 sensor does not contain advertisements. The app is free to download and use without any ad interruptions.
Can I use CO2 sensor without a Bluetooth sensor?
No, CO2 sensor requires a Bluetooth Sensirion SCD-41 sensor to function. The app's primary purpose is to display readings from this specific hardware.
What data can I save with CO2 sensor?
You can save CO2, temperature, and humidity readings along with your current location. This data can then be synced across your devices via iCloud for later review.
Is the source code for CO2 sensor available?
Yes, the source code for CO2 sensor is publicly available on GitHub. This allows developers to inspect, modify, or contribute to the project.
