# Cairn vs outtimer

The clearest difference is ads: Cairn at none against outtimer's shown. outtimer's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Cairn sells 1 one-off in-app purchase and outtimer sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Cairn ships an update weekly, outtimer every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cairn | outtimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cairn-countdown-and-days-since/id6805060074/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | — |
| Size | 17 MB | 43 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [飞 吕](https://appshunter.io/developer/1851387805) | [polroute](https://appshunter.io/developer/6782382959) |

## What reviewers say

### Cairn

[App page](https://appshunter.io/ios/app/cairn-countdown-and-days-since/id6805060074)

Track important upcoming dates and past anniversaries with a versatile countdown and count-up tool. It offers precise timing, customizable reminders, and various visual displays to keep you informed. Integrates seamlessly with your devices and data.

**Highlights:** Countdown and count-up for any event, Minute and second precision timing, Customizable repeat intervals, Time zone support, Visual progress tracking, Milestone markers, Home and Lock Screen widgets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $2.99 | one-time |


### outtimer

[App page](https://appshunter.io/ios/app/outtimer-on-time-voice-timer/id6814711918)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro | $1.99 | per month |
| pro(year) | $6.99 | per year |
| Premium | $0.99 | one-time |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Cairn free?

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

### Is outtimer free?

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

### Do Cairn or outtimer have ads?

outtimer shows ads; Cairn does not.

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

Cairn ships an update weekly, and outtimer every 5 days. Most recently, Cairn was updated on October 25, 2026 and outtimer on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*