# Clock vs Kairos

The clearest difference is in-app purchases: Kairos at none against Clock's 2. Kairos also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Clock sells 2 in-app purchases, starting at $1.99 per month. Kairos asks for nothing beyond the download.

Clock ships an update every 2 months, Kairos every 4 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Clock | Kairos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/clock-alarm-clock/id6759249981/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhaskar Rao](https://appshunter.io/developer/1862718308) | [Benno Kohrs](https://appshunter.io/developer/1858491109) |

## What reviewers say

### Clock

[App page](https://appshunter.io/ios/app/clock-alarm-clock/id6759249981)

Manage your time effectively with customizable alarms, world clock, stopwatch, and countdown timer. Wake up on time, track activities, and stay connected across time zones with this easy-to-use utility.

**Highlights:** Customizable alarms, World time zones, Stopwatch with laps, Countdown timer, Repeat alarms on selected days, Adjustable snooze duration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |


### Kairos

[App page](https://appshunter.io/ios/app/kairos-random-timer/id6759820843)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clock free?

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

### Is Kairos free?

Kairos is free to download, with no in-app purchases.

### Do Clock or Kairos have ads?

Clock shows ads; Kairos does not.

### Which is updated more often, Clock or Kairos?

Clock ships an update every 2 months, and Kairos every 4 days. Most recently, Clock was updated on October 7, 2026 and Kairos on October 2, 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.*