---
title: "CO2 sensor - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Read CO2, temperature, and humidity from your Bluetooth Sensirion SCD-41 sensor in realtime. Save your readings with your current location and have it sync across your devices via iCloud. See previous"
---

# CO2 sensor — United States
> Display SCD-41 CO2 readings.

![CO2 sensor App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/e5/3c/43/e53c4388-ece6-3982-1f47-9d7b13e58e23/AppIcon-1x_U007emarketing-0-8-0-85-220-0.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-llSc)
**Category:** Utilities
**Rating:** 3.2/5 (6 ratings)
**Price:** Free
**Bundle ID:** com.sighmon.CO2-sensor
**Store:** Apple App Store
**Country:** United States
**Version:** 1.4 (released 2026-09-19)
**Original Release:** 2022-09-29
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1643286074)
**AppTail Page:** [https://apptail.io/app/co2-sensor-ssQm/united-states](https://apptail.io/app/co2-sensor-ssQm/united-states)

## CO2 sensor Description
Read CO2, temperature, and humidity from your Bluetooth Sensirion SCD-41 sensor in realtime. Save your readings with your current location and have it sync across your devices via iCloud. See previously saved readings with a map of the location that those readings were taken.

Works across iPhone, iPad, and macOS devices.

Open source code: 

## CO2 sensor Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b5/01/13/b50113c7-7003-778c-8fdc-a97485784749/1.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4f/a5/84/4fa584fc-daae-3cd1-22f6-6fcf4adddbe7/3.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fa/36/32/fa3632ab-bb5e-4e76-a759-3d608e7d42ba/4.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b2/1f/15/b21f15ab-6188-b024-f685-88da9fd48fcd/2.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b0/b6/b9/b0b6b9d5-74d9-1193-a409-307726f32b85/3b583fef-f42d-4c05-97fa-ff2e5fc6049a_1284x2778bb3.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/44/83/b0/4483b08d-76a3-c425-0603-eca1137df199/261893bb-977e-491e-86ef-d7a3116234d1_1284x2778bb31.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ea/45/25/ea45259d-43ee-05d7-8595-bb7ee2be89f2/7675ab4b-cb5e-43d8-8e6a-12740252af70_1284x2778bb4.png/1284x2778.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a1/13/4e/a1134eba-d6c8-e67f-72bf-567d7035ab41/2e549420-cc8f-4945-b709-61214f8959b6_1284x2778bb5.png/1284x2778.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c4/32/74/c43274e1-e8f3-1361-15b3-f2bf7fffa85c/26b9d5c6-7c3d-4576-a664-98b1b34ace38_1284x2778bb6.png/1284x2778.png)

## CO2 sensor Rating Breakdown in United States
- 5 stars: 0 (0%)
- 4 stars: 3 (50%)
- 3 stars: 2 (33%)
- 2 stars: 0 (0%)
- 1 stars: 1 (17%)





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## CO2 sensor Available In
- [United States](https://apptail.io/app/co2-sensor-ssQm/united-states)
- [United Kingdom](https://apptail.io/app/co2-sensor-ssQm/united-kingdom)
- [Brazil](https://apptail.io/app/co2-sensor-ssQm/brazil)
- [Belarus](https://apptail.io/app/co2-sensor-ssQm/belarus)
- [Belize](https://apptail.io/app/co2-sensor-ssQm/belize)
- [Canada](https://apptail.io/app/co2-sensor-ssQm/canada)
- [Czechia](https://apptail.io/app/co2-sensor-ssQm/czechia)
- [Germany](https://apptail.io/app/co2-sensor-ssQm/germany)
- [Australia](https://apptail.io/app/co2-sensor-ssQm/australia)
- [Ireland](https://apptail.io/app/co2-sensor-ssQm/ireland)
- [Italy](https://apptail.io/app/co2-sensor-ssQm/italy)
- [Latvia](https://apptail.io/app/co2-sensor-ssQm/latvia)
- [Malaysia](https://apptail.io/app/co2-sensor-ssQm/malaysia)
- [Netherlands](https://apptail.io/app/co2-sensor-ssQm/netherlands)
- [Türkiye](https://apptail.io/app/co2-sensor-ssQm/turkey)
- [Estonia](https://apptail.io/app/co2-sensor-ssQm/estonia)
- [Bahrain](https://apptail.io/app/co2-sensor-ssQm/bahrain)

---

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