# Detector CO2 vs Find Hidden

The clearest difference is rating: Find Hidden at 4.4 against Detector CO2's 2.0. Find Hidden also leads on ratings volume (434 vs 1). Detector CO2's advantage is in-app purchases (none vs 2) and iOS requirement (10.0 vs 13.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Find Hidden sells 2 in-app purchases, starting at $9.99 per month. Detector CO2 asks for nothing beyond the download.

Find Hidden holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Find Hidden has 434 ratings behind it against 1, so its average is the more settled of the two.

Detector CO2 ships an update every 3 weeks, Find Hidden monthly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Detector CO2 | Find Hidden |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/detector-co2/id1561126616/reviews) | **[4.4 (434 ratings)](https://appshunter.io/ios/app/find-hidden-wireless-detector/id6443483566/reviews)** |
| Number of ratings | 1 | **434** |
| Positive reviews | — | 29.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 21 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Geotap Games S.L.](https://appshunter.io/developer/596729068) | [安帮 潘](https://appshunter.io/developer/1620855567) |

## 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


### Find Hidden

[App page](https://appshunter.io/ios/app/find-hidden-wireless-detector/id6443483566)

This app helps you detect suspicious electronic devices on your network. It scans your environment in real-time to identify connected devices, distinguishing between safe and potentially hidden ones. Protect your privacy in new locations or while traveling.

**Highlights:** Detect suspicious peripherals, Inspect spy device information, Scan all connected electronic devices, Real-time network updates, Distinguish safe and suspicious devices, Anti sneak shot guide

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hidden Inspector Pro Month | $9.99 | per month |
| Find Hidden Premium Year | $14.99 | per year |

**What reviewers like**

- 👍 Works well (for some)
- 👍 "Son cool it really wrks yall"

**What reviewers complain about**

- 😞 Doesn't work
- 😞 Doesn't show suspicious devices
- 😞 Closes when clicking ping details
- 😞 No ping shown
- 😞 Scans Bluetooth only

**Reported bugs**

- App closes when clicking ping details
- Inaccurate device counts (fluctuates)
- Doesn't show location
- Shows only IP numbers

**Requested features**

- Precise location of the object
- Application in Spanish
- Clearer defined mapping
- Free for those with stalkers
- Check for wireless IPs (free alternative)


## Frequently asked questions

### Is Detector CO2 free?

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

### Is Find Hidden free?

Find Hidden is free to download, with in-app purchases available.

### Which has better reviews, Detector CO2 or Find Hidden?

Find Hidden is rated higher. Detector CO2 averages 2.0 out of 5 from 1 ratings, while Find Hidden averages 4.4 from 434 ratings.

### Do Detector CO2 or Find Hidden have ads?

Neither Detector CO2 nor Find Hidden shows ads.

### Which is updated more often, Detector CO2 or Find Hidden?

Detector CO2 ships an update every 3 weeks, and Find Hidden monthly. Most recently, Detector CO2 was updated on October 15, 2026 and Find Hidden on October 24, 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.*