# ZeroTimer+ vs Cairn

The clearest difference is price: ZeroTimer+ at Free against Cairn's $0.99. ZeroTimer+ also leads on iOS requirement (15.0 vs 26.0). Cairn's advantage is in-app purchases (none vs 3). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

ZeroTimer+ is free to download; Cairn costs $0.99 up front. ZeroTimer+ sells 3 in-app purchases, starting at $3.99 per month. Cairn asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ZeroTimer+ against 5.0 for Cairn. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ZeroTimer+ ships an update every 9 days, Cairn weekly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ZeroTimer+ | Cairn |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/zerotimer-plus-visual-timer/id6804137954/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cairn-countdown-and-days-since/id6805060074/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 37 MB | 8 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [月蓬 桂](https://appshunter.io/developer/1597056934) | [飞 吕](https://appshunter.io/developer/1851387805) |

## What reviewers say

### ZeroTimer+

[App page](https://appshunter.io/ios/app/zerotimer-plus-visual-timer/id6804137954)

This app offers a visually appealing and user-friendly timer experience, combining countdown and stopwatch functions with customizable watch faces and themes. Save and reuse multiple timers for various activities like focus sessions, workouts, or cooking, with reliable background operation and sound alerts.

**Highlights:** Dual countdown and stopwatch modes, Customizable watch faces and themes, Create and manage multiple timers, Save and reuse timer presets, Background operation, Sound and vibration alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly (30 days) | $3.99 | per month |
| Yearly (365 days) | $23.99 | per year |
| Lifetime Access | $33.99 | one-time |


### 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:** none


## Frequently asked questions

### Is ZeroTimer+ free?

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

### Is Cairn free?

Cairn costs $0.99, with no in-app purchases.

### Which has better reviews, ZeroTimer+ or Cairn?

ZeroTimer+ and Cairn are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do ZeroTimer+ or Cairn have ads?

Neither ZeroTimer+ nor Cairn shows ads.

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

ZeroTimer+ ships an update every 9 days, and Cairn weekly. Most recently, ZeroTimer+ was updated on October 10, 2026 and Cairn on October 9, 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.*