# SoundReact vs UVB

The clearest difference is in-app purchases: UVB at none against SoundReact's 1. UVB also leads on update cadence (every 9 days vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SoundReact sells 1 one-off in-app purchase. UVB asks for nothing beyond the download.

SoundReact ships an update every 13 months, UVB every 9 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SoundReact | UVB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uvb-76-shortwave-buzzer/id6786464215/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 19 MB | 41 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Juan Maguid](https://appshunter.io/developer/1680114440) | [Maxim Oransky](https://appshunter.io/developer/1639941241) |

## What reviewers say

### SoundReact

[App page](https://appshunter.io/ios/app/soundreact/id6746435472)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundReact Premium | $2.99 | one-time |


### UVB

[App page](https://appshunter.io/ios/app/uvb-76-shortwave-buzzer/id6786464215)

This app recreates the eerie sound and look of Russian numbers stations, like the famous UVB-76. It allows you to trigger broadcasts for creative projects, streams, or as a prop, offering an offline emulation of these mysterious shortwave signals.

**Highlights:** Recreates UVB-76, the Buzzer, Emulates Pip and Squeaky Wheel signals, Offline functionality, Trigger broadcasts on cue, Cold War prop for streams/videos, Ambient music layering

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundReact free?

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

### Is UVB free?

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

### Do SoundReact or UVB have ads?

Neither SoundReact nor UVB shows ads.

### Which is updated more often, SoundReact or UVB?

SoundReact ships an update every 13 months, and UVB every 9 days. Most recently, SoundReact was updated on October 25, 2026 and UVB on October 28, 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.*