# Cairn vs Cairn

The clearest difference is update cadence: Cairn at every 2 days against Cairn's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cairn sells 3 in-app purchases, starting at $4.99 per month and Cairn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Cairn ships an update every 2 days, Cairn every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Cairn | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 5 MB | 22 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [abiodun oyetomi](https://appshunter.io/developer/1895308564) | [Dennis Hodgson](https://appshunter.io/developer/6776312396) |

## What reviewers say

### Cairn

[App page](https://appshunter.io/ios/app/cairn-stop-scrolling/id6771791772)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn Pro Monthly | $4.99 | per month |
| Cairn Pro Yearly | $29.99 | per year |
| Cairn Lifetime | $99.99 | one-time |


### Cairn

[App page](https://appshunter.io/ios/app/cairn-screen-time-blocker/id6790536467)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn Unlock | $19.99 | one-time |


## Frequently asked questions

### Is Cairn free?

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

### Is Cairn free?

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

### Do Cairn or Cairn have ads?

Neither Cairn nor Cairn shows ads.

### Which is updated more often, Cairn or Cairn?

Cairn ships an update every 2 days, and Cairn every 2 weeks. Most recently, Cairn was updated on October 31, 2026 and Cairn on October 31, 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.*