# Audio Compressor vs Urbinspec

The clearest difference is in-app purchases: Urbinspec at none against Audio Compressor's 1. Urbinspec also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Audio Compressor sells 1 one-off in-app purchase. Urbinspec asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Audio Compressor | Urbinspec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (256 ratings)](https://appshunter.io/ios/app/audio-compressor-mp3-shrink/id6449499993/reviews)** | — |
| Number of ratings | **256** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 28 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.](https://appshunter.io/developer/867175889) | [Codex SA](https://appshunter.io/developer/1617854730) |

## What reviewers say

### Audio Compressor

[App page](https://appshunter.io/ios/app/audio-compressor-mp3-shrink/id6449499993)

Reduce audio file sizes without sacrificing sound quality. This app offers efficient compression, allowing you to reclaim storage space on your device. Easily compress audio from files or videos with offline processing.

**Highlights:** Efficient audio compression, Reduce file sizes without quality loss, Compress audio from files or videos, Fast and easy to use, Offline processing for privacy, Adjust bitrate and remove metadata

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Compressor Premium | $0.99 | one-time |


### Urbinspec

[App page](https://appshunter.io/ios/app/urbinspec/id6478607853)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Compressor free?

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

### Is Urbinspec free?

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

### Do Audio Compressor or Urbinspec have ads?

Neither Audio Compressor nor Urbinspec shows ads.

### Which is updated more often, Audio Compressor or Urbinspec?

Audio Compressor ships an update weekly, and Urbinspec weekly. Most recently, Audio Compressor was updated on October 21, 2026 and Urbinspec on October 1, 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.*