# RF vs HamHamHam

The clearest difference is price: HamHamHam at Free against RF's $0.99. HamHamHam also leads on update cadence (every 2 weeks vs every 8 months). RF's advantage is iOS requirement (13.0 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

HamHamHam is free to download; RF costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RF ships an update every 8 months, HamHamHam every 2 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RF | HamHamHam |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Size | 6 MB | 1 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julien Geissbuehler](https://appshunter.io/developer/1762554076) | [Andrea Biancat](https://appshunter.io/developer/1593009801) |

## What reviewers say

### RF

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

**Features:** macOS Compatibility

**In-app purchases:** none


### HamHamHam

[App page](https://appshunter.io/ios/app/hamhamham/id6475587272)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF free?

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

### Is HamHamHam free?

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

### Do RF or HamHamHam have ads?

Neither RF nor HamHamHam shows ads.

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

RF ships an update every 8 months, and HamHamHam every 2 weeks. Most recently, RF was updated on October 7, 2026 and HamHamHam on October 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.*