PDF Secure vs Hidden Cameras
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Secure
Secure your PDF documents by adding password protection, ensuring they cannot be opened without authorization. You can also easily remove existing password protection from your files. This app offers a straightforward process for safeguarding your sensitive information.
- Password protect PDF documents
- Remove PDF password protection
- Cross-platform compatibility
- Export to various locations
- Dark mode support
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Protect your PDF documents with a password. The PDF won't open without the password. It works on any platform. PDF Secure also allows you to completely remove the password protection of a document. Using PDF Secure is very simple: • Select a PDF document from your files • Choose a password (ideally strong) and do not forget it • Export anywhere (Files app, any cloud drive, E-mail, AirDrop, Messages, ...) → The password will now be requested at any attempt to open the PDF (on all platforms) PDF Secure is compatible with the dark mode. And it's 100% free (no in-app purchases, no ads). NO DATA COLLECTION. Everything happens on device. Your privacy matters. Enjoy!
Hidden Cameras
This app helps protect your privacy by scanning your surroundings for hidden surveillance devices. It detects signals from cameras and microphones using advanced Bluetooth and Wi-Fi scanning technology, providing real-time alerts and detailed information about potential threats.
- Detects hidden surveillance devices
- Scans for cameras and microphones
- Uses Bluetooth and Wi-Fi signals
- Provides detailed device information
- Offers real-time threat alerts
- Premium features for extended range
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The App provides ultimate protection for your privacy by identifying covert surveillance devices around you. This powerful app can detect a variety of signals, including Bluetooth and Wi-Fi, ensuring your security and peace of mind wherever you are. Functionality: Using state-of-the-art technology, the App scans your surroundings for signals from hidden cameras, microphones, and other monitoring gadgets. By conducting extensive Bluetooth and Wi-Fi scanning, it identifies suspicious signals and provides detailed information on detected devices, enabling you to act quickly to secure your privacy. 1. Cutting-Edge Scanning Technology: Discover hidden surveillance devices. 2. Comprehensive Bluetooth and Wi-Fi Scanning: Offers a broad detection range. 3. Detailed Device Information: Provides insights into detected signals. 4. Real-Time Alerts: Sends immediate threat notifications. Premium Features: Enhance your protection with our premium subscriptions, offering features like extended scanning range. Stay vigilant against potential threats with our premium services. Your iTunes account will be billed upon purchase confirmation. Subscriptions renew automatically unless auto-renew is disabled at least 24 hours before the current period ends. You can manage your subscription and auto-renewal settings in your Account Settings after purchase. Privacy Policy: https://docs.google.com/document/d/1o7XYdlzMIgA0gUK3KNoGO1R60ynKkNRJ3ljxNIntH3M/edit Terms of Use: https://docs.google.com/document/d/1aSLopDgqkELWeqcBd4qLgkD2S4fJcCFbTKLKDKRXeKc/edit
Screenshots
Verdict
The clearest difference is review sentiment: PDF Secure at 99% against Hidden Cameras's 0%. PDF Secure also leads on rating (4.8 vs 4.1) and in-app purchases (none vs 3). Hidden Cameras's advantage is update cadence (every 2 days vs every 9 months). On price, ads and device support 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
Both are free to download. Hidden Cameras sells 3 in-app purchases, starting at $6.99 per 7 days. PDF Secure asks for nothing beyond the download.
PDF Secure holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: PDF Secure has 383 ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 99% of PDF Secure's written reviews are positive against 0% of Hidden Cameras's.
PDF Secure ships an update every 9 months, Hidden Cameras every 2 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | PDF Secure | Hidden Cameras |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (383 ratings) — better | 4.1 (37 ratings) |
| Positive reviews | 98.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 383 — better | 37 |
| Update frequency | Every 9 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15 |
| Further details — not scored | ||
| Size | 1 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | iSolid apps | Felix Janssens |
Customer experience
PDF Secure
Hidden Cameras
In-app purchases
PDF Secure
No in-app purchases
Hidden Cameras
- Weekly Trial3 Days trial$6.997 Days
- Monthly Trial3 Days trial$14.991 Month
- Yearly Trial3 Days trial$31.991 Year
Questions
Is PDF Secure free?
Is Hidden Cameras free?
Which has better reviews, PDF Secure or Hidden Cameras?
Do PDF Secure or Hidden Cameras have ads?
Which is updated more often, PDF Secure or Hidden Cameras?
Other comparisons
