# Sonic Master vs Desk Clock

The clearest difference is ads: Desk Clock at none against Sonic Master's shown. Desk Clock also leads on update cadence (every 2 weeks vs every 4 months). Sonic Master's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sonic Master sells 2 one-off in-app purchases and Desk Clock sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

Sonic Master ships an update every 4 months, Desk Clock every 2 weeks. Both last shipped on September 14, 2026.

## The numbers

| Metric | Sonic Master | Desk Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (46 ratings)](https://appshunter.io/ios/app/sonic-master-dust-clear/id1500104231/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | **83.3% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 23 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [东海 刘](https://appshunter.io/developer/1454617571) | [筱彤 余](https://appshunter.io/developer/1622372136) |

## What reviewers say

### Sonic Master

[App page](https://appshunter.io/ios/app/sonic-master-dust-clear/id1500104231)

Generate and export custom sound waves with various waveforms. This app also features tools to remove water and dust from your phone's speakers, a focus timer, music timer, nature sounds, and a decibel meter.

**Highlights:** Sound wave generator (1-20kHz), Multiple waveform options, Audio file export, Water and dust removal for speakers, Focus timer (Pomodoro Technique), Nature soundscapes, Decibel meter

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Edition | $1.99 | one-time |
| Lifetime Pro Edition | $3.99 | one-time |


### Desk Clock

[App page](https://appshunter.io/ios/app/desk-clock-pomodoro-timer/id6474898768)

This app offers a minimalist clock, a Pomodoro timer with ambient sounds, and a versatile timer for various tasks. It helps improve focus and productivity while also enhancing your device's desktop appearance with customizable themes.

**Highlights:** Minimalist clock display, Pomodoro focus timer with ambient sounds, Versatile general timer, Customizable themes and icons, Landscape and dark mode support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $0.99 | per year |
| Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Sonic Master free?

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

### Is Desk Clock free?

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

### Do Sonic Master or Desk Clock have ads?

Sonic Master shows ads; Desk Clock does not.

### Which is updated more often, Sonic Master or Desk Clock?

Sonic Master ships an update every 4 months, and Desk Clock every 2 weeks. Most recently, Sonic Master was updated on September 14, 2026 and Desk Clock on September 14, 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.*