# RF Detector Hidden Ear Device vs Scan to PDF

The clearest difference is rating: Scan to PDF at 4.6 against RF Detector Hidden Ear Device's 1.6. Scan to PDF also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.2). RF Detector Hidden Ear Device's advantage is monetization model (freemium vs subscription) and update cadence (daily vs weekly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. RF Detector Hidden Ear Device sells 6 in-app purchases, starting at $9.99 per 7 days and Scan to PDF sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scan to PDF holds the better App Store score, 4.6 against 1.6. Both are backed by a comparable volume of ratings — 14 and 19 respectively.

RF Detector Hidden Ear Device ships an update daily, Scan to PDF weekly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RF Detector Hidden Ear Device | Scan to PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (14 ratings)](https://appshunter.io/ios/app/rf-detector-hidden-ear-device/id6738126245/reviews) | **[4.6 (19 ratings)](https://appshunter.io/ios/app/scan-to-pdf-document-scanner/id6739254661/reviews)** |
| Number of ratings | 14 | **19** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | **Freemium** | Subscription |
| Size | 60 MB | 43 MB |
| Requires iOS | 17.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luljeta Beqiri](https://appshunter.io/developer/1779498100) | [Richard Davis](https://appshunter.io/developer/1775416462) |

## What reviewers say

### RF Detector Hidden Ear Device

[App page](https://appshunter.io/ios/app/rf-detector-hidden-ear-device/id6738126245)

This intelligent detector scans for electromagnetic signatures to reveal hidden cameras and listening devices. It offers professional-grade scanning capabilities with real-time alerts and analysis to protect your privacy in any environment.

**Highlights:** Hidden camera detection, Electromagnetic signature scanning, Real-time alerts, Detailed analysis, Wi-Fi scanner, Bluetooth scanner

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bluetooth Scanner Anti-Tracker | $9.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Monthly | $14.99 | per month |
| Monthly with trial | $15.99 | per month |
| Yearly | $83.99 | per year |
| Yearly with trial | $99.99 | per year |


### Scan to PDF

[App page](https://appshunter.io/ios/app/scan-to-pdf-document-scanner/id6739254661)

Transform your phone into a portable scanner and PDF editor. Easily capture documents, convert them to high-quality PDFs, edit text and images, and secure your files with encryption. Seamlessly integrate with cloud storage for efficient document management.

**Highlights:** Scan documents to PDF, Edit PDF text and images, OCR for text recognition, Secure files with encryption, Cloud storage integration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Scanner | $4.99 | per 7 days |
| Premium Scanner | $6.99 | per 7 days |
| Premium Scanner | $19.99 | per year |


## Frequently asked questions

### Is RF Detector Hidden Ear Device free?

RF Detector Hidden Ear Device is free to download, with in-app purchases available.

### Is Scan to PDF free?

Scan to PDF is free to download, with in-app purchases available.

### Which has better reviews, RF Detector Hidden Ear Device or Scan to PDF?

Scan to PDF is rated higher. RF Detector Hidden Ear Device averages 1.6 out of 5 from 14 ratings, while Scan to PDF averages 4.6 from 19 ratings.

### Do RF Detector Hidden Ear Device or Scan to PDF have ads?

Neither RF Detector Hidden Ear Device nor Scan to PDF shows ads.

### Which is updated more often, RF Detector Hidden Ear Device or Scan to PDF?

RF Detector Hidden Ear Device ships an update daily, and Scan to PDF weekly. Most recently, RF Detector Hidden Ear Device was updated on October 21, 2026 and Scan to PDF 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.*