# Shielding Tester vs RF Pro

Shielding Tester and RF Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Shielding Tester | RF Pro |
| --- | --- | --- |
| Price | Free | 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 7 months | Every 7 months |
| Monetization | — | Free |
| Size | 13 MB | 7 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Velter KZ](https://appshunter.io/developer/1781938634) | [OffGrid](https://appshunter.io/developer/1808780483) |

## What reviewers say

### Shielding Tester

[App page](https://appshunter.io/ios/app/shielding-tester/id6444835317)

**Features:** Vision Pro support

**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 Shielding Tester free?

Shielding Tester is free to download, with no in-app purchases.

### Is RF Pro free?

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

### Do Shielding Tester or RF Pro have ads?

Neither Shielding Tester nor RF Pro shows ads.

### Which is updated more often, Shielding Tester or RF Pro?

Shielding Tester ships an update every 7 months, and RF Pro every 7 months. Most recently, Shielding Tester was updated on October 25, 2026 and RF Pro 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.*