# Audio Compressor vs ClassDoio

Audio Compressor and ClassDoio are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Audio Compressor sells 1 one-off in-app purchase and ClassDoio sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Audio Compressor | ClassDoio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (260 ratings)](https://appshunter.io/ios/app/audio-compressor-mp3-shrink/id6449499993/reviews)** | — |
| Number of ratings | **260** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 16 MB |
| Requires iOS | 15.6 | **15** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.](https://appshunter.io/developer/867175889) | [Jake's Quiz Ltd](https://appshunter.io/developer/1838668168) |

## 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 |


### ClassDoio

[App page](https://appshunter.io/ios/app/classdoio-assistant-school/id6756572584)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClassDoio Pro | $5.99 | per 7 days |
| ClassDoio Trial | $5.99 | per 7 days |


## Frequently asked questions

### Is Audio Compressor free?

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

### Is ClassDoio free?

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

### Do Audio Compressor or ClassDoio have ads?

Neither Audio Compressor nor ClassDoio shows ads.

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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.*