# Detector CO2 vs Thermal Camera

The clearest difference is rating: Thermal Camera at 4.5 against Detector CO2's 2.0. Thermal Camera also leads on ratings volume (71 vs 1) and update cadence (every 5 days vs every 3 weeks). Detector CO2's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price and ads there is nothing between them.

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

Thermal Camera holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Thermal Camera has 71 ratings behind it against 1, so its average is the more settled of the two.

Detector CO2 ships an update every 3 weeks, Thermal Camera every 5 days. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Detector CO2 | Thermal Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/detector-co2/id1561126616/reviews) | **[4.5 (71 ratings)](https://appshunter.io/ios/app/thermal-camera-night-vision/id6739632416/reviews)** |
| Number of ratings | 1 | **71** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 16 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Geotap Games S.L.](https://appshunter.io/developer/596729068) | [Tamaz Bairamovi](https://appshunter.io/developer/1786370037) |

## What reviewers say

### Detector CO2

[App page](https://appshunter.io/ios/app/detector-co2/id1561126616)

Measure ambient CO2 levels using a compatible device. This utility app provides environmental data for your surroundings.

**Highlights:** Measure CO2 levels, Utilizes device capabilities, Environmental data display

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermal Camera

[App page](https://appshunter.io/ios/app/thermal-camera-night-vision/id6739632416)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermal & Night vision access | $6.99 | per 7 days |


## Frequently asked questions

### Is Detector CO2 free?

Detector CO2 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, Detector CO2 or Thermal Camera?

Thermal Camera is rated higher. Detector CO2 averages 2.0 out of 5 from 1 ratings, while Thermal Camera averages 4.5 from 71 ratings.

### Do Detector CO2 or Thermal Camera have ads?

Neither Detector CO2 nor Thermal Camera shows ads.

### Which is updated more often, Detector CO2 or Thermal Camera?

Detector CO2 ships an update every 3 weeks, and Thermal Camera every 5 days. Most recently, Detector CO2 was updated on October 15, 2026 and Thermal Camera on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*