# Audio Unit Player vs 5ths Machine

The clearest difference is price: Audio Unit Player at Free against 5ths Machine's $1.99. Audio Unit Player also leads on update cadence (every 2 weeks vs every 24 months) and ratings volume (30 vs 1). 5ths Machine's advantage is rating (5.0 vs 3.9) and in-app purchases (none vs 1). On monetization model and device support there is nothing between them.

Audio Unit Player is free to download; 5ths Machine costs $1.99 up front. Audio Unit Player sells 1 one-off in-app purchase. 5ths Machine asks for nothing beyond the download.

5ths Machine holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Audio Unit Player has 30 ratings behind it against 1, so its average is the more settled of the two.

Audio Unit Player ships an update every 2 weeks, 5ths Machine every 24 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Audio Unit Player | 5ths Machine |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.9 (30 ratings)](https://appshunter.io/ios/app/audio-unit-player/id734191615/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/5ths-machine/id1582877284/reviews)** |
| Number of ratings | **30** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 24 months |
| Monetization | Paid | Paid |
| Size | 5 MB | 18 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Lucy Hudson](https://appshunter.io/developer/1179157812) |

## What reviewers say

### Audio Unit Player

[App page](https://appshunter.io/ios/app/audio-unit-player/id734191615)

This music player offers real-time audio processing, including time stretching, pitch shifting, and a 31-band equalizer. It supports AUv3 effects and allows for A-B loop playback, making it ideal for practice, transcription, and performance adjustments.

**Highlights:** Real-time time stretch (50-200%), Real-time pitch shift (-12 to +12 semitones), 31-band equalizer with presets, AUv3 effects support, A-B loop playback, Background playback, Audio file export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Always remove banner ads. | $3.99 | one-time |


### 5ths Machine

[App page](https://appshunter.io/ios/app/5ths-machine/id1582877284)

Explore the theoretical intricacies of key signatures with an interactive quiz. Learn about the 12-position equal temperament system and discover how to identify keys with an unusual number of sharps. Understand music theory through a unique perspective.

**Highlights:** Key signature quiz, Equal temperament system explanation, Theoretical key signature exploration, Background information on music theory, Quiz tips and strategies, Chronology of music theory concepts

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Unit Player free?

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

### Is 5ths Machine free?

5ths Machine costs $1.99, with no in-app purchases.

### Which has better reviews, Audio Unit Player or 5ths Machine?

5ths Machine is rated higher. Audio Unit Player averages 3.9 out of 5 from 30 ratings, while 5ths Machine averages 5.0 from 1 ratings.

### Do Audio Unit Player or 5ths Machine have ads?

Audio Unit Player shows ads; 5ths Machine does not.

### Which is updated more often, Audio Unit Player or 5ths Machine?

Audio Unit Player ships an update every 2 weeks, and 5ths Machine every 24 months. Most recently, Audio Unit Player was updated on October 18, 2026 and 5ths Machine on October 16, 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.*