# C02 Monitor — requires a wireless CO2 sensor

> Remote display for compatible wireless CO2 sensors. (iPhone/iPad app by ReFleX Wireless Inc..)

- Source: https://appshunter.io/ios/app/c02-monitor/id1567479204 (this page in markdown: same URL + `.md`)
- Developer: [ReFleX Wireless Inc.](https://appshunter.io/developer/666581212)
- Category: Productivity, Lifestyle
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 26 MB
- Languages: Czech, Dutch, English, French, German, Japanese, Chinese, Spanish, Swedish, Chinese
- Released: 2021-06-03
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/c02-monitor/id1567479204/reviews.md

## What is C02 Monitor?

The app acts as a remote display for compatible wireless CO2 sensor

## Key features

- Remote CO2 monitoring
- Real-time data display
- Compatible with wireless sensors
- Indoor air quality tracking


## Frequently asked questions about C02 Monitor

### What is C02 Monitor?

C02 Monitor is a free application that acts as a remote display for compatible wireless CO2 sensors. It allows you to view real-time CO2 levels from your sensor on your iPhone or iPad.

### Does C02 Monitor require a CO2 sensor?

Yes, C02 Monitor requires a compatible wireless CO2 sensor to function. The app itself does not measure CO2 but rather displays data from a connected sensor.

### What devices support C02 Monitor?

C02 Monitor is available for iPhone, iPad, and iPod. It is designed to work on Apple devices.

### How often is C02 Monitor updated?

The latest version of C02 Monitor is 1.02, which was released on June 10, 2021. The app was initially released on June 3, 2021.

### What is the age rating for C02 Monitor?

C02 Monitor has an age rating of 4+. This indicates it is suitable for users of all ages.

### Does C02 Monitor have ads?

No, C02 Monitor does not contain advertisements. It is a free application without any ads.

### What is the user rating for C02 Monitor?

C02 Monitor has a rating of 3.0 stars based on 2 ratings. This suggests a mixed reception from its current user base.

### Can C02 Monitor be used offline?

The app acts as a display for a wireless sensor, so its functionality is dependent on the sensor's connectivity. It is not designed for offline use without a connected sensor.

## Version history (last 3 releases)

### 1.02 — 2021-06-10

system update

### 1.01 — 2021-06-10

system update

### 1.0 — 2021-06-03

No release notes.

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## More apps by ReFleX Wireless Inc.

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All apps by ReFleX Wireless Inc.: https://appshunter.io/developer/666581212

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*