GiA Smart Controller vs UNO IAQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GiA Smart Controller
Monitor indoor air quality in real-time and control air purification devices remotely. Detects a wide range of pollutants including PM2.5, CO2, and VOCs. Manage multiple devices from anywhere with an internet connection.
- Comprehensive air quality detection
- Real-time monitoring
- Remote control of purification devices
- Multi-machine management
- Detects PM2.5, CO2, VOCs, and more
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Maintaining good indoor air quality is crucial for human health. GiA has a comprehensive air quality sensors built in, which can detect indoor air pollutants listed by the World Health Organization, such as PM2.5, PM10, carbon dioxide, Carbon monoxide, TVOC, formaldehyde, ozone, temperature, humidity and fungi. With a simple-to-use touch interface, GiA allows you to monitor the air quality in your home or office in real time, and controls the air purification devices at the same time from any place where you can access the Internet. Features and functions Detection items PM2.5, PM10, carbon dioxide, carbon monoxide, TVOC, formaldehyde, ozone, temperature, humidity and fungi. Cloud services remote monitoring of home air quality and operation of purification devices. Machine management Manage multiple machines at the same time, allowing you to view the overall values and information of each machine at one time. GiA.AP.Service@gmail.com
UNO IAQ
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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.
Screenshots
Verdict
The clearest difference is iOS requirement: GiA Smart Controller at 10.0 against UNO IAQ's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.
| Parameter | GiA Smart Controller | UNO IAQ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 72 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 欣寶智慧環境股份有限公司 | Delta Electronics, Inc. |
In-app purchases
GiA Smart Controller
No in-app purchases
UNO IAQ
No in-app purchases









