# LaterInbox vs Cairn

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

Both are free to download. LaterInbox sells 1 one-off in-app purchase and Cairn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LaterInbox ships an update every 2 months, Cairn every 2 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LaterInbox | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 8 MB | 22 MB |
| Requires iOS | 18 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Hric](https://appshunter.io/developer/1871400630) | [Dennis Hodgson](https://appshunter.io/developer/6776312396) |

## What reviewers say

### LaterInbox

[App page](https://appshunter.io/ios/app/laterinbox/id6758200882)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $5.99 | 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 LaterInbox free?

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

### Is Cairn free?

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

### Do LaterInbox or Cairn have ads?

Neither LaterInbox nor Cairn shows ads.

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

LaterInbox ships an update every 2 months, and Cairn every 2 weeks. Most recently, LaterInbox was updated on October 28, 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.*