# RF vs RadioEquations

The clearest difference is price: RadioEquations at Free against RF's $0.99. RadioEquations also leads on update cadence (every 3 months vs every 8 months). RF's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 16.4). On ads and device support there is nothing between them.

RadioEquations is free to download; RF costs $0.99 up front. RadioEquations sells 2 one-off in-app purchases. RF asks for nothing beyond the download.

RF ships an update every 8 months, RadioEquations every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RF | RadioEquations |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/radioequations/id6451230870/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 6 MB | 9 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julien Geissbuehler](https://appshunter.io/developer/1762554076) | [Robert J Sarvis Jr](https://appshunter.io/developer/1531648349) |

## What reviewers say

### RF

[App page](https://appshunter.io/ios/app/rf-calc/id647697327)

**Features:** macOS Compatibility

**In-app purchases:** none


### RadioEquations

[App page](https://appshunter.io/ios/app/radioequations/id6451230870)

This utility app provides quick access to essential functions for radio telecommunications professionals. It includes helpful descriptions to ensure users understand each function, even if they are new to the field.

**Highlights:** Access to common radio telecommunications functions, Accompanying descriptions for comprehension, Designed for professionals in the field, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Advanced Functions | $0.99 | one-time |
| Unlock AC Functions | $0.99 | one-time |


## Frequently asked questions

### Is RF free?

RF costs $0.99, with no in-app purchases.

### Is RadioEquations free?

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

### Do RF or RadioEquations have ads?

Neither RF nor RadioEquations shows ads.

### Which is updated more often, RF or RadioEquations?

RF ships an update every 8 months, and RadioEquations every 3 months. Most recently, RF was updated on November 1, 2026 and RadioEquations on November 3, 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.*