Comparison

CO2 sensor vs Thermal Camera

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

Head to head
About

CO2 sensor

Monitor CO2, temperature, and humidity levels in real-time using a Bluetooth sensor. Save readings with location data and sync them across Apple devices via iCloud. View historical data on a map.

Highlights
  • Real-time CO2, temperature, and humidity readings
  • Bluetooth sensor integration
  • Save readings with location
  • iCloud sync across devices
  • Map view of saved readings
  • Open source code available
Features
Read full description

Read CO2, temperature, and humidity from your Bluetooth Sensirion SCD-41 sensor in realtime. Save your readings with your current location and have it sync across your devices via iCloud. See previously saved readings with a map of the location that those readings were taken. Works across iPhone, iPad, and macOS devices. Open source code: https://github.com/sighmon/ios-ble-co2-sensor

About

Thermal Camera

Transform your photos with unique thermal filters and adjust their sensitivity for a personalized artistic vision. Save and share your creations easily with a simple, user-friendly interface. This app offers a gateway to extraordinary art for photographers of all levels.

Highlights
  • Capture photos with thermal filters
  • Adjust filter sensitivity
  • Save creations to device
  • Share photos effortlessly
  • User-friendly interface
Features
Read full description

Enhance your photography with an app that transforms your captures with mesmerizing thermal effects. Features for Creative Freedom - Capture photos using any thermal filters. - Adjust filter sensitivity to align with your artistic vision. - Save your creations directly to your device and share effortlessly with friends or on social media. Designed for Ease of Use - Simple, user-friendly interface for a seamless experience. - Start creating stunning visuals without any technical barriers. Whether you're a seasoned photographer or exploring new styles, our app is your gateway to extraordinary art. Download now and redefine your world with the magic of thermal effects. Subscription Details: Unlock all features. Payments for subscriptions are processed through your iTunes account at the time of purchase confirmation and at the start of each renewal period. Free trial subscriptions automatically convert to paid subscriptions unless canceled. To avoid charges, you must cancel your subscription or free trial in your iTunes settings at least 24 hours before the current period ends. After cancellation, the current subscription will remain active until its end, and then revert to the free version. Note that any unused portion of a free trial is forfeited once a premium subscription is purchased. Terms of Use: https://project11617273.tilda.ws/terms-of-use Privacy Policy: https://project11617273.tilda.ws/privacy-policy

Screenshots

CO2 sensor4 screens
Thermal Camera4 screens

Verdict

The call

The clearest difference is rating: Thermal Camera at 4.5 against CO2 sensor's 3.4. Thermal Camera also leads on update cadence (every 5 days vs every 12 months) and ratings volume (49 vs 7). CO2 sensor's advantage is in-app purchases (none vs 1) and device support (4 vs 1). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Thermal Camera sells 1 in-app purchase, starting at $6.99 per 7 days. CO2 sensor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Thermal Camera holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Thermal Camera has 49 ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

CO2 sensor ships an update every 12 months, Thermal Camera every 5 days. The most recent releases landed on October 3, 2026 and September 10, 2026 respectively.

Scorecard7 real differences · 3 level
CO2 sensor versus Thermal Camera: the parameters behind the verdict, then further details
ParameterCO2 sensorThermal Camera
PriceFreeFree
Rating3.4 (7 ratings)4.5 (49 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings749 — better
Update frequencyEvery 12 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size0 MB16 MB
Age rating4+4+
DevelopersighmonTamaz Bairamovi

Customer experience

CO2 sensor

All ratings7 ratings
Positive57.1%
Neutral28.6%
Negative14.3%

Thermal Camera

All ratings49 ratings
Positive85.7%
Neutral4.1%
Negative10.2%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

CO2 sensor

No in-app purchases

1 purchases

Thermal Camera

Subscriptions1
  • Thermal & Night vision access3 Days trial$6.997 Days

Questions

Is CO2 sensor free?
CO2 sensor is free to download, with no in-app purchases.
Is Thermal Camera free?
Thermal Camera is free to download, with in-app purchases available.
Which has better reviews, CO2 sensor or Thermal Camera?
Thermal Camera is rated higher. CO2 sensor averages 3.4 out of 5 from 7 ratings, while Thermal Camera averages 4.5 from 49 ratings.
Do CO2 sensor or Thermal Camera have ads?
Neither CO2 sensor nor Thermal Camera shows ads.
Which is updated more often, CO2 sensor or Thermal Camera?
CO2 sensor ships an update every 12 months, and Thermal Camera every 5 days. Most recently, CO2 sensor was updated on October 3, 2026 and Thermal Camera on September 10, 2026.

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