# What About Phase? vs 4Comp

The clearest difference is price: What About Phase? at Free against 4Comp's $4.99. What About Phase? also leads on update cadence (daily vs weekly). 4Comp's advantage is in-app purchases (none vs 2). On rating, ratings volume, ads and device support there is nothing between them.

What About Phase? is free to download; 4Comp costs $4.99 up front. What About Phase? sells 2 one-off in-app purchases. 4Comp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for What About Phase? against 5.0 for 4Comp. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

What About Phase? ships an update daily, 4Comp weekly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | What About Phase? | 4Comp |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/what-about-phase/id6785542900/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/4comp-auv3-compressor-plugin/id6805205834/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | **Free** | Paid |
| Size | 21 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Gusev](https://appshunter.io/developer/963910848) | [NATHAN THOMAS MATHIS](https://appshunter.io/developer/1870347850) |

## What reviewers say

### What About Phase?

[App page](https://appshunter.io/ios/app/what-about-phase/id6785542900)

Record short audio clips and transform them into evolving, hypnotic soundscapes. This pocket instrument uses phasing and other processes to create unique, unfolding audio patterns from simple sounds.

**Highlights:** Audio recording and looping, Ten distinct audio processes, Radial display of sound patterns, On-device pitch detection, Save, share, and revert recordings, Live control over audio parameters

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |
| Pro | $3.99 | one-time |


### 4Comp

[App page](https://appshunter.io/ios/app/4comp-auv3-compressor-plugin/id6805205834)

This audio plugin offers four distinct analog-style compressor models (FET, VCA, Optical, Vari-Mu), each with its own sound and interface. It provides advanced features like stereo linking, sidechain filtering, and real-time transfer curve visualization.

**Highlights:** Four analog compressor models (FET, VCA, Optical, Vari-Mu), Unique DSP engine and interface for each model, Live transfer curve visualization, Stereo link and sidechain high-pass filter, Dry/wet mix and auto make-up gain, 17 presets included, 0-sample latency

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

**In-app purchases:** none


## Frequently asked questions

### Is What About Phase? free?

What About Phase? is free to download, with in-app purchases available.

### Is 4Comp free?

4Comp costs $4.99, with no in-app purchases.

### Which has better reviews, What About Phase? or 4Comp?

What About Phase? and 4Comp are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do What About Phase? or 4Comp have ads?

Neither What About Phase? nor 4Comp shows ads.

### Which is updated more often, What About Phase? or 4Comp?

What About Phase? ships an update daily, and 4Comp weekly. Most recently, What About Phase? was updated on October 31, 2026 and 4Comp on November 6, 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.*