# CO2 sensor vs Thermal Camera Night Vision FX

The clearest difference is rating: Thermal Camera Night Vision FX at 4.2 against CO2 sensor's 3.4. Thermal Camera Night Vision FX also leads on update cadence (fortnightly vs every 12 months) and ratings volume (115 vs 7). CO2 sensor's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Thermal Camera Night Vision FX sells 2 in-app purchases, starting at $2.99 per 7 days. CO2 sensor asks for nothing beyond the download.

Thermal Camera Night Vision FX holds the better App Store score, 4.2 against 3.4. That said, the two scores are not equally well evidenced: Thermal Camera Night Vision FX has 115 ratings behind it against 7, so its average is the more settled of the two.

CO2 sensor ships an update every 12 months, Thermal Camera Night Vision FX fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CO2 sensor | Thermal Camera Night Vision FX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (7 ratings)](https://appshunter.io/ios/app/co2-sensor/id1643286074/reviews) | **[4.2 (115 ratings)](https://appshunter.io/ios/app/thermal-camera-night-vision-fx/id6751165644/reviews)** |
| Number of ratings | 7 | **115** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 22 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sighmon](https://appshunter.io/developer/377815161) | [Mehmet Ali Demir](https://appshunter.io/developer/1631537417) |

## What reviewers say

### CO2 sensor

[App page](https://appshunter.io/ios/app/co2-sensor/id1643286074)

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:** Vision Pro support

**In-app purchases:** none


### Thermal Camera Night Vision FX

[App page](https://appshunter.io/ios/app/thermal-camera-night-vision-fx/id6751165644)

Simulate thermal and night vision camera effects for creative photos and videos. Explore various color palettes and filters to produce unique, futuristic visuals for social media or artistic projects. This app offers on-device processing for privacy and fast performance.

**Highlights:** Thermal camera filters, Night vision effect, Creative filters (Glitch, Red), High-quality photo/video recording (HD, Full HD, 4K), High frame rate video (up to 120fps), On-device processing, Smart gallery with sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is CO2 sensor free?

CO2 sensor is free to download, with no in-app purchases.

### Is Thermal Camera Night Vision FX free?

Thermal Camera Night Vision FX is free to download, with in-app purchases available.

### Which has better reviews, CO2 sensor or Thermal Camera Night Vision FX?

Thermal Camera Night Vision FX is rated higher. CO2 sensor averages 3.4 out of 5 from 7 ratings, while Thermal Camera Night Vision FX averages 4.2 from 115 ratings.

### Do CO2 sensor or Thermal Camera Night Vision FX have ads?

Neither CO2 sensor nor Thermal Camera Night Vision FX shows ads.

### Which is updated more often, CO2 sensor or Thermal Camera Night Vision FX?

CO2 sensor ships an update every 12 months, and Thermal Camera Night Vision FX fortnightly. Most recently, CO2 sensor was updated on October 24, 2026 and Thermal Camera Night Vision FX 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.*