# RF Pro vs EMF Meter

The clearest difference is price: RF Pro at Free against EMF Meter's $0.99. EMF Meter's advantage is update cadence (every 2 months vs every 7 months) and iOS requirement (13.0 vs 16.0). On review sentiment, ads, in-app purchases and device support there is nothing between them.

RF Pro is free to download; EMF Meter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RF Pro ships an update every 7 months, EMF Meter every 2 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RF Pro | EMF Meter |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/rf-pro-faraday-bag-tester/id6744664740/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 58 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OffGrid](https://appshunter.io/developer/1808780483) | [PPLST Tech](https://appshunter.io/developer/1832748300) |

## What reviewers say

### RF Pro

[App page](https://appshunter.io/ios/app/rf-pro-faraday-bag-tester/id6744664740)

This utility app verifies the effectiveness of Faraday bags by detecting signal leaks from your device. It helps ensure your device is isolated from external communication networks for privacy, security, or forensic purposes.

**Highlights:** Comprehensive signal testing (WiFi, Cellular, GPS, Bluetooth), Real-time signal strength analysis, Clear visual indicators and graphs, Step-by-step testing guidance, Quick retest function

**Features:** macOS Compatibility

**In-app purchases:** none


### EMF Meter

[App page](https://appshunter.io/ios/app/emf-meter/id6756597802)

Monitor electromagnetic field levels and Bluetooth exposure with real-time readings and safety zone indicators. Understand signal strength and exposure levels around you for awareness at home, work, or while traveling.

**Highlights:** Real-time EMF readings, Bluetooth device scanning, Signal strength in dBm, Safety zone indicators, Visual EMF analytics, Dark and light themes

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

**In-app purchases:** none


## Frequently asked questions

### Is RF Pro free?

RF Pro is free to download, with no in-app purchases.

### Is EMF Meter free?

EMF Meter costs $0.99, with no in-app purchases.

### Do RF Pro or EMF Meter have ads?

Neither RF Pro nor EMF Meter shows ads.

### Which is updated more often, RF Pro or EMF Meter?

RF Pro ships an update every 7 months, and EMF Meter every 2 months. Most recently, RF Pro was updated on October 17, 2026 and EMF Meter on October 7, 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.*