# audio compressor vs QEC Calculator

The clearest difference is in-app purchases: QEC Calculator at none against audio compressor's 2. QEC Calculator also leads on update cadence (daily vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. audio compressor sells 2 in-app purchases, starting at $3.99 per 7 days. QEC Calculator asks for nothing beyond the download.

audio compressor ships an update every 6 weeks, QEC Calculator daily. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | audio compressor | QEC Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/audio-compressor/id6612031833/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 31 MB |
| Requires iOS | 17.5 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) | [Occupational Health Clinics for Ontario Workers](https://appshunter.io/developer/930198232) |

## What reviewers say

### audio compressor

[App page](https://appshunter.io/ios/app/audio-compressor/id6612031833)

This utility app allows users to efficiently reduce the file size of their audio recordings. It offers a simple interface for selecting, compressing, and sharing audio, helping to save storage space and facilitate faster file transfers.

**Highlights:** Reduce audio file size, Maintain audio quality, Select and compress audio, Share compressed files, Save storage space

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Compressor Weekly | $3.99 | per 7 days |
| Audio Compressor Lifetime | $17.99 | one-time |


### QEC Calculator

[App page](https://appshunter.io/ios/app/qec-calculator/id6743707589)

**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 QEC Calculator free?

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

### Do audio compressor or QEC Calculator have ads?

Neither audio compressor nor QEC Calculator shows ads.

### Which is updated more often, audio compressor or QEC Calculator?

audio compressor ships an update every 6 weeks, and QEC Calculator daily. Most recently, audio compressor was updated on September 17, 2026 and QEC Calculator on September 18, 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.*