Aura CO2 vs Clairsense
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aura CO2
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Knowing the CO2 concentration you’ll be aware of your home/office’s need for air renewal. This application will also let you know the temperature, humidity and pressure as well as outdoor air quality information, to easily act and improve your ventilation.
Clairsense
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Clairsense offers an intelligent sensor solution designed to monitor and optimize indoor air quality in real-time. Utilizing advanced AI technology, our sensors continuously measure key environmental parameters such as temperature, humidity, pressure, CO2 levels, VOCs, and PM2.5 concentrations. By analyzing this data, Clairsense can predict infection risks with a 7-day rhythm, providing early warnings and actionable health recommendations. Our robust data protection ensures that your information remains secure. With seamless Wi-Fi and Bluetooth synchronization, Clairsense delivers AI-supported insights right to your mobile device, helping you maintain a healthy and safe environment.
Screenshots
Verdict
The clearest difference is in-app purchases: Aura CO2 at none against Clairsense's 1. Clairsense's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Clairsense sells 1 in-app purchase, starting at $29.99 per year. Aura CO2 asks for nothing beyond the download.
Aura CO2 ships an update every 3 months, Clairsense every 3 weeks. The most recent releases landed on December 20, 2025 and September 16, 2026 respectively.
| Parameter | Aura CO2 | Clairsense |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | ELICHENS | ARTEQ ARGE VE MUHENDISLIK LIMITED SIRKETI |
In-app purchases
Aura CO2
No in-app purchases
Clairsense
- Clairsense Pro1 Year trial$29.991 Year
