# Metal Recorder vs Cairn

The clearest difference is iOS requirement: Metal Recorder at 18.1 against Cairn's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Metal Recorder sells 3 in-app purchases, starting at $9.99 per month and Cairn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Metal Recorder | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 10 MB | 35 MB |
| Requires iOS | **18.1** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [OMYZERO PTY LTD](https://appshunter.io/developer/6782768497) | [Pham Van Hai](https://appshunter.io/developer/6805783484) |

## What reviewers say

### Metal Recorder

[App page](https://appshunter.io/ios/app/metal-recorder/id6786530812)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |
| Premium Yearly | $60.00 | per year |
| 30-Hour Top-Up | $10.00 | one-time |


### Cairn

[App page](https://appshunter.io/ios/app/cairn-focus-and-study-timer/id6811870112)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn Pro · Lifetime Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Metal Recorder free?

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

### Is Cairn free?

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

### Do Metal Recorder or Cairn have ads?

Neither Metal Recorder nor Cairn 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.*