# UNO IAQ — IAQ sensor APP

> IAQ sensor APP (iPhone/iPad app by Delta Electronics, Inc..)

- Source: https://appshunter.io/ios/app/uno-iaq/id1510293346 (this page in markdown: same URL + `.md`)
- Developer: [Delta Electronics, Inc.](https://appshunter.io/developer/386896582)
- Category: Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 23 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2020-05-18
- Data updated: 2026-02-13
- User reviews in markdown: https://appshunter.io/ios/app/uno-iaq/id1510293346/reviews.md

## What is UNO IAQ?

The UNOnext/UNOlite Indoor Air Quality Monitor can continuously monitor real-time data for seven types of harmful indoor air factors. The detection range includes Carbon Monoxide (CO), Carbon Dioxide (CO2), Fine Suspended Particulates (PM2.5), and Suspended Particulates ( PM10), Formaldehyde (HCHO), Ozone (O3), Total Volatile Organic Compounds (TVOC) and Temperature, Humidity, Illuminance, etc.

UNOnext/UNOlite not only has a detection function, but it can also independently link ventilation equipment or integrate with central air conditioning. When indoor air quality turns poor, UNOnext/UNOlite immediately sets off an alarm and introduces fresh air to eliminate the bad indoor air. The innovative design of UNOnext/UNOlite also earns extra points for LEED green building standards and WELL healthy building standards.


## Version history (last 5 releases)

### 1.4.38 — 2026-02-13

issue fix

### 1.4.34 — 2025-09-25

Update Ui optimization

### 1.4.33 — 2025-08-26

New feature
- RECIRC mode
- Auto mode
- US ERV mode

### 1.4.30 — 2025-04-30

- Issue fix

### 1.4.29 — 2025-01-06

Add filter reset feature

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## More apps by Delta Electronics, Inc.

- [Delta Energy Online](https://appshunter.io/ios/app/delta-energy-online/id679532605)
- [NovoPresenter](https://appshunter.io/ios/app/novopresenter/id789942968)
- [iDEAn](https://appshunter.io/ios/app/idean/id969978109)
- [ChargeConnect](https://appshunter.io/ios/app/chargeconnect/id1181451617)
- [NovoDSRemote](https://appshunter.io/ios/app/novodsremote/id1245501371)
- [MyDeltaSolar](https://appshunter.io/ios/app/mydeltasolar/id1271609228)

All apps by Delta Electronics, Inc.: https://appshunter.io/developer/386896582

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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 2026-02-13.*