# RF Tools vs EMF Calculator

The clearest difference is update cadence: EMF Calculator at every 3 weeks against RF Tools's every 14 months. EMF Calculator also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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, EMF Calculator every 3 weeks. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | RF Tools | EMF Calculator |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 63 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUBER + SUHNER AG](https://appshunter.io/developer/525678889) | [Wavecontrol SL](https://appshunter.io/developer/1504448424) |

## 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


### EMF Calculator

[App page](https://appshunter.io/ios/app/emf-calculator/id1504448425)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF Tools free?

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

### Is EMF Calculator free?

EMF Calculator is free to download, with no in-app purchases.

### Do RF Tools or EMF Calculator have ads?

Neither RF Tools nor EMF Calculator shows ads.

### Which is updated more often, RF Tools or EMF Calculator?

RF Tools ships an update every 14 months, and EMF Calculator every 3 weeks. Most recently, RF Tools was updated on September 18, 2026 and EMF Calculator on September 16, 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.*