Comparison

Aura CO2 vs Clairsense

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Aura CO2

Features
Read full description

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.

About

Clairsense

Features
Read full description

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

Aura CO23 screens
Clairsense4 screens

Verdict

The call

The clearest difference is update cadence: Clairsense at every 10 days against Aura CO2's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Aura CO2 ships an update every 3 months, Clairsense every 10 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard1 real difference Β· 5 level
Aura CO2 versus Clairsense: the parameters behind the verdict, then further details
ParameterAura CO2Clairsense
PriceFreeFree
Update frequencyEvery 3 monthsEvery 10 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 β€” better15.5
Further details β€” not scored
Size59 MB56 MB
Age rating4+4+
DeveloperElichensARTEQ ARGE VE MUHENDISLIK LIMITED SIRKETI

In-app purchases

None

Aura CO2

No in-app purchases

None

Clairsense

No in-app purchases

Questions

Is Aura CO2 free?
Aura CO2 is free to download, with no in-app purchases.
Is Clairsense free?
Clairsense is free to download, with no in-app purchases.
Do Aura CO2 or Clairsense have ads?
Neither Aura CO2 nor Clairsense shows ads.
Which is updated more often, Aura CO2 or Clairsense?
Aura CO2 ships an update every 3 months, and Clairsense every 10 days. Most recently, Aura CO2 was updated on November 3, 2026 and Clairsense on November 8, 2026.

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