# Cers IoT — CO2 & Air Quality Monitor

> CO2 & Air Quality Monitor (iPhone/iPad app by (주)온전히.)

- Source: https://appshunter.io/ios/app/cers-iot/id6761812425 (this page in markdown: same URL + `.md`)
- Developer: [(주)온전히](https://appshunter.io/developer/1591164615)
- Category: Utilities, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 45 MB
- Languages: American English
- Released: 2026-05-03
- Data updated: 2026-08-06
- User reviews in markdown: https://appshunter.io/ios/app/cers-iot/id6761812425/reviews.md

## What is Cers IoT?

CERs IoT is a smart monitoring app that allows users to view real-time CO₂ and air quality data based on their location.
Users can intuitively check air quality conditions and CO₂ concentrations through the app, and analyze trends in data changes over time and across locations from multiple perspectives. 
CERs IoT visualizes collected IoT sensor data for users through map POIs and graphs. It can be used in various environments, including homes, offices, and public spaces.

Key Features
- Real-time data viewing via IoT sensor integration
- Monitoring of CO₂ levels and air quality
- Graphs showing hourly data trends
- Location-based environmental data monitoring
- Intuitive and user-friendly UI

Recommended for:
- Users who want to manage indoor air quality and CO₂ levels
- Households and offices seeking to maintain a healthy environment
- Users interested in utilizing IoT-based environmental data

Start managing your environment in a smarter and healthier way with CERs IoT.


## Version history (last 3 releases)

### 0.3.1 — 2026-08-06

[v0.3.1]
- Spanish language support has been added.
- App stability and usability have been improved.

### 0.2.0 — 2026-06-07

[v0.2.0]
Features have been improved to make environmental monitoring more convenient.

Support for connecting multiple IoT devices
-Improvements have been made to allow for more convenient connection and management of multiple devices.
-The device status check feature has been enhanced.

Notification improvements
-Individual settings are now available for each notification type, allowing for personalized notification management.

### 1.0 — 2026-05-03

No release notes.

## More apps by (주)온전히

- [오늘집밥](https://appshunter.io/ios/app/id1591164613)
- [PICKEAT - AI Diabetes Diet&Fit](https://appshunter.io/ios/app/pickeat-ai-diabetes-diet-and-fit/id6511221079)

All apps by (주)온전히: https://appshunter.io/developer/1591164615

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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 2026-08-06.*