# Random Timer Generator vs Kairos

The clearest difference is in-app purchases: Kairos at none against Random Timer Generator's 1. Kairos also leads on update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Random Timer Generator sells 1 one-off in-app purchase. Kairos asks for nothing beyond the download.

Random Timer Generator ships an update every 2 months, Kairos every 4 days. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Random Timer Generator | Kairos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (56 ratings)](https://appshunter.io/ios/app/random-timer-generator/id1621894479/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 82.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OneUp App LLC](https://appshunter.io/developer/1533692452) | [Benno Kohrs](https://appshunter.io/developer/1858491109) |

## What reviewers say

### Random Timer Generator

[App page](https://appshunter.io/ios/app/random-timer-generator/id1621894479)

This app generates random countdown timers within a specified time range. It's versatile for games, meditation, exercise, studying, and more. Customize sounds, vibrations, and looping modes for a personalized experience.

**Highlights:** Configurable random countdowns, Adjustable time ranges (0 seconds to 24 hours), Background operation support, Customizable sound and vibration alerts, Upload custom alarm sounds, Looping mode with break periods, Progress tracking for loops

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime access | $7.99 | one-time |


### 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 Random Timer Generator free?

Random Timer Generator is free to download, with in-app purchases available.

### Is Kairos free?

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

### Do Random Timer Generator or Kairos have ads?

Neither Random Timer Generator nor Kairos shows ads.

### Which is updated more often, Random Timer Generator or Kairos?

Random Timer Generator ships an update every 2 months, and Kairos every 4 days. Most recently, Random Timer Generator was updated on September 12, 2026 and Kairos on September 15, 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.*