# KH Metals vs RD Metals

KH Metals and RD Metals 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.

KH Metals ships an update every 23 months, RD Metals every 17 months. The most recent releases landed on May 16, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | KH Metals | RD Metals |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 17 months** |
| Size | 15 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krommenhoek Metals](https://appshunter.io/developer/1609216035) | [Vanoo Media](https://appshunter.io/developer/1431588090) |

## What reviewers say

### KH Metals

[App page](https://appshunter.io/ios/app/kh-metals/id668517188)

**Features:** macOS Compatibility

**In-app purchases:** none


### RD Metals

[App page](https://appshunter.io/ios/app/rd-metals/id1531742538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KH Metals free?

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

### Is RD Metals free?

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

### Do KH Metals or RD Metals have ads?

Neither KH Metals nor RD Metals shows ads.

### Which is updated more often, KH Metals or RD Metals?

KH Metals ships an update every 23 months, and RD Metals every 17 months. Most recently, KH Metals was updated on May 16, 2026 and RD Metals on May 17, 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.*