# RF Tools vs Shielding Tester

RF Tools and Shielding Tester 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.

RF Tools ships an update every 14 months, Shielding Tester every 7 months. The most recent releases landed on June 9, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RF Tools | Shielding Tester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/rf-tools/id525678686/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 12 MB | 13 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUBER + SUHNER AG](https://appshunter.io/developer/525678889) | [Velter KZ](https://appshunter.io/developer/1781938634) |

## What reviewers say

### RF Tools

[App page](https://appshunter.io/ios/app/rf-tools/id525678686)

This utility app helps engineers and students calculate and convert RF-specific values like impedance, wavelength, and return loss. It also includes a calculator for comparing RF cables and assemblies, and provides access to product catalogs and branch information.

**Highlights:** RF value conversion (impedance, wavelength, return loss), RF assembly calculator, dB calculator, Product catalog access, Branch locator

**Features:** macOS Compatibility

**In-app purchases:** none


### Shielding Tester

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RF Tools free?

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

### Is Shielding Tester free?

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

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

Neither RF Tools nor Shielding Tester shows ads.

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

RF Tools ships an update every 14 months, and Shielding Tester every 7 months. Most recently, RF Tools was updated on June 9, 2026 and Shielding Tester on September 9, 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.*