# C.SIGN vs Hidden Camera Detector

The clearest difference is in-app purchases: C.SIGN at none against Hidden Camera Detector's 4. C.SIGN also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hidden Camera Detector sells 4 in-app purchases, starting at $3.99 per 7 days. C.SIGN asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 25, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | C.SIGN | Hidden Camera Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hidden-camera-detector-senspy/id6753347095/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 162 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Technology and Solution Company Limited](https://appshunter.io/developer/1498575851) | [Uros Stojanovic](https://appshunter.io/developer/1689394945) |

## What reviewers say

### C.SIGN

[App page](https://appshunter.io/ios/app/csign/id6443462181)

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

**In-app purchases:** none


### Hidden Camera Detector

[App page](https://appshunter.io/ios/app/hidden-camera-detector-senspy/id6753347095)

Detect suspicious devices on your network and nearby via Bluetooth. Offers practical guides for enhanced privacy and peace of mind in various locations. A helpful tool for personal security.

**Highlights:** Wi-Fi Scanner, Bluetooth Scanner, Exclusive Guides, Network Analysis, Bluetooth Environment Analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hidden Device Detect - Weekly | $3.99 | per 7 days |
| Monthly access | $7.99 | per month |
| Hidden Device Detect - Weekly | $7.99 | per 7 days |
| Devices & Microphone - Annual | $44.99 | per year |


## Frequently asked questions

### Is C.SIGN free?

C.SIGN is free to download, with no in-app purchases.

### Is Hidden Camera Detector free?

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

### Do C.SIGN or Hidden Camera Detector have ads?

Neither C.SIGN nor Hidden Camera Detector shows ads.

### Which is updated more often, C.SIGN or Hidden Camera Detector?

C.SIGN ships an update every 2 weeks, and Hidden Camera Detector every 2 weeks. Most recently, C.SIGN was updated on September 25, 2026 and Hidden Camera Detector on August 20, 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.*