# Audio Unit Player vs Combustor

The clearest difference is price: Audio Unit Player at Free against Combustor's $4.99. Audio Unit Player also leads on update cadence (every 2 weeks vs every 2 months). Combustor's advantage is rating (4.7 vs 3.9) and in-app purchases (none vs 1). On ratings volume, monetization model and device support there is nothing between them.

Audio Unit Player is free to download; Combustor costs $4.99 up front. Audio Unit Player sells 1 one-off in-app purchase. Combustor asks for nothing beyond the download.

Combustor holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 30 and 19 respectively. Written reviews point the same way: 67% of Audio Unit Player's written reviews are positive against 80% of Combustor's.

Audio Unit Player ships an update every 2 weeks, Combustor every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Audio Unit Player | Combustor |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.9 (30 ratings)](https://appshunter.io/ios/app/audio-unit-player/id734191615/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/combustor/id6449939349/reviews)** |
| Number of ratings | **30** | 19 |
| Positive reviews | 66.7% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#183** |
| Size | 5 MB | 4 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [BeepStreet](https://appshunter.io/developer/321412321) |

## 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 |


### Combustor

[App page](https://appshunter.io/ios/app/combustor/id6449939349)

**Currently charting:** #183 Top Paid · Music (US App Store)

This audio effect extension transforms tracks with a unique time-bending resonator. Create vibrant textures, subtle resonances, and dynamic sweeps. It's designed for electronic musicians and producers seeking to add wild or organic qualities to their sounds.

**Highlights:** Time bending resonator effect, Creates distorted textures and physical resonance, Envelope follower for dynamic control, MIDI input for melodic control, Performative interface, AUv3 compatible

**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 Combustor free?

Combustor costs $4.99, with no in-app purchases.

### Which has better reviews, Audio Unit Player or Combustor?

Combustor is rated higher. Audio Unit Player averages 3.9 out of 5 from 30 ratings, while Combustor averages 4.7 from 19 ratings.

### Do Audio Unit Player or Combustor have ads?

Audio Unit Player shows ads; Combustor does not.

### Which is updated more often, Audio Unit Player or Combustor?

Audio Unit Player ships an update every 2 weeks, and Combustor every 2 months. Most recently, Audio Unit Player was updated on October 9, 2026 and Combustor on October 8, 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.*