# KH Metals vs Do

The clearest difference is update cadence: Do at every 3 weeks against KH Metals's every 23 months. KH Metals's advantage is iOS requirement (13.0 vs 15.1). 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.

KH Metals ships an update every 23 months, Do every 3 weeks. The most recent releases landed on May 16, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | KH Metals | Do |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Size | 15 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krommenhoek Metals](https://appshunter.io/developer/1609216035) | [Kirill Chistiakov](https://appshunter.io/developer/1370860836) |

## What reviewers say

### KH Metals

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Do

[App page](https://appshunter.io/ios/app/do-metals-bv/id1606400713)

**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 Do free?

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

### Do KH Metals or Do have ads?

Neither KH Metals nor Do shows ads.

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

KH Metals ships an update every 23 months, and Do every 3 weeks. Most recently, KH Metals was updated on May 16, 2026 and Do 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.*