# Sonaur vs iCountdownClock

The clearest difference is update cadence: Sonaur at every 9 days against iCountdownClock's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Sonaur ships an update every 9 days, iCountdownClock every 2 months. The most recent releases landed on September 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sonaur | iCountdownClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sonaur/id6755934796/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 2 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Scott Kiekbusch](https://appshunter.io/developer/1857439513) | [Laure Chipman](https://appshunter.io/developer/1782715943) |

## What reviewers say

### Sonaur

[App page](https://appshunter.io/ios/app/sonaur/id6755934796)

This app transforms real-time data, like weather or biometrics, into evolving ambient music. It offers unique, artist-composed soundscapes that adapt to your environment and personal rhythms, perfect for focus, relaxation, or sleep. Enjoy an uninterrupted, personalized listening experience.

**Highlights:** Real-time weather-driven music, Artist-composed sonic palettes, Biometric sound shaping (Apple Watch), Binaural beats for focus/sleep, Sleep timer, Lock screen playback

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sonaur Health Mode | $19.99 | one-time |


### iCountdownClock

[App page](https://appshunter.io/ios/app/icountdownclock/id6759740936)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Events | $2.99 | one-time |


## Frequently asked questions

### Is Sonaur free?

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

### Is iCountdownClock free?

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

### Do Sonaur or iCountdownClock have ads?

Neither Sonaur nor iCountdownClock shows ads.

### Which is updated more often, Sonaur or iCountdownClock?

Sonaur ships an update every 9 days, and iCountdownClock every 2 months. Most recently, Sonaur was updated on September 19, 2026 and iCountdownClock on October 3, 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.*