# RF Engineer Toolkit vs Coil 32

The clearest difference is rating: RF Engineer Toolkit at 5.0 against Coil 32's 1.0. Coil 32's advantage is iOS requirement (12.0 vs 17.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. RF Engineer Toolkit sells 3 in-app purchases, starting at $0.99 per month and Coil 32 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RF Engineer Toolkit holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | RF Engineer Toolkit | Coil 32 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rf-engineer-toolkit/id6745524609/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/coil-32-radio-frequency/id6752288613/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Freemium | Free with in-app purchases |
| Size | 12 MB | 72 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### RF Engineer Toolkit

[App page](https://appshunter.io/ios/app/rf-engineer-toolkit/id6745524609)

This app provides a comprehensive suite of 45 RF and antenna calculators for engineers and technicians. It offers unit-tested formulas for field, site, and lab calculations, including RF exposure and impedance matching. A free version offers 16 calculators, with Pro unlocking all features and advanced options.

**Highlights:** 45 RF and antenna calculators, Unit-tested formulas against industry standards, Field and site calculations (VSWR, link budget, RF exposure), Design and lab calculations (Smith chart, impedance matching, filters), Everyday RF conversions (dBm, W, V), Free version with 16 calculators, Pro version with full access and advanced features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $4.99 | per year |
| Remove ADS | $9.99 | one-time |


### Coil 32

[App page](https://appshunter.io/ios/app/coil-32-radio-frequency/id6752288613)

Calculate inductance for various coil types, including air core, ferrite toroid, and PCB flat square coils. Determine the number of turns needed or verify existing inductance values. Ideal for electronics enthusiasts and builders.

**Highlights:** Single-layer air core inductor calculation, Multi-layer air core inductor calculation, Ferrite toroid coil calculation, PCB flat square coil calculation, Choke inductance calculation, Calculate required turns, Verify existing inductance

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is RF Engineer Toolkit free?

RF Engineer Toolkit is free to download, with in-app purchases available.

### Is Coil 32 free?

Coil 32 is free to download, with in-app purchases available.

### Which has better reviews, RF Engineer Toolkit or Coil 32?

RF Engineer Toolkit is rated higher. RF Engineer Toolkit averages 5.0 out of 5 from 1 ratings, while Coil 32 averages 1.0 from 1 ratings.

### Do RF Engineer Toolkit or Coil 32 have ads?

Neither RF Engineer Toolkit nor Coil 32 shows ads.

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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.*