# Rayons vs RF Pro

The clearest difference is price: RF Pro at Free against Rayons's $4.99. RF Pro also leads on iOS requirement (16.0 vs 26.0). Rayons's advantage is update cadence (every 2 months vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

RF Pro is free to download; Rayons costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rayons ships an update every 2 months, RF Pro every 7 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Rayons | RF Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | — | Free |
| Size | 3 MB | 7 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Timothy P Miller](https://appshunter.io/developer/1487535197) | [OffGrid](https://appshunter.io/developer/1808780483) |

## What reviewers say

### Rayons

[App page](https://appshunter.io/ios/app/rayons/id1487535198)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Rayons free?

Rayons costs $4.99, with no in-app purchases.

### Is RF Pro free?

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

### Do Rayons or RF Pro have ads?

Neither Rayons nor RF Pro shows ads.

### Which is updated more often, Rayons or RF Pro?

Rayons ships an update every 2 months, and RF Pro every 7 months. Most recently, Rayons was updated on October 9, 2026 and RF Pro on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*