# Pitch Shift (Key Change) vs Zero Chorus

The clearest difference is price: Pitch Shift (Key Change) at Free against Zero Chorus's $2.99. Pitch Shift (Key Change) also leads on update cadence (every 2 months vs every 6 months) and rating (4.4 vs 4.2). Zero Chorus's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment and device support there is nothing between them.

Pitch Shift (Key Change) is free to download; Zero Chorus costs $2.99 up front. Pitch Shift (Key Change) sells 2 one-off in-app purchases. Zero Chorus asks for nothing beyond the download.

Pitch Shift (Key Change) holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 85 and 22 respectively. Written reviews point the same way: 50% of Pitch Shift (Key Change)'s written reviews are positive against 43% of Zero Chorus's.

Pitch Shift (Key Change) ships an update every 2 months, Zero Chorus every 6 months. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Pitch Shift (Key Change) | Zero Chorus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (85 ratings)](https://appshunter.io/ios/app/pitch-shift-key-change/id670120398/reviews)** | [4.2 (22 ratings)](https://appshunter.io/ios/app/zero-chorus/id1056863629/reviews) |
| Number of ratings | **85** | 22 |
| Positive reviews | **50.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 15 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Blamsoft, Inc.](https://appshunter.io/developer/1051938244) |

## What reviewers say

### Pitch Shift (Key Change)

[App page](https://appshunter.io/ios/app/pitch-shift-key-change/id670120398)

This music player allows real-time pitch shifting and a 31-band equalizer. It supports AUv3 effects, loop playback, and exporting processed audio. Import audio files from other apps or your music library.

**Highlights:** Real-time pitch shifting, 31-band equalizer, AUv3 effects support, A-B loop playback, Center Cancel/Emphasis, Audio file export, Background playback

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 31 bands equalizer | $0.99 | one-time |
| Always remove banner ads. | $2.99 | one-time |


### Zero Chorus

[App page](https://appshunter.io/ios/app/zero-chorus/id1056863629)

This audio effect plugin provides a high-quality chorus inspired by the Roland Dimension D, offering a versatile sound without muddy low end. It integrates seamlessly with iOS DAWs and supports expanded controls for easy tweaking.

**Highlights:** Roland Dimension D style chorus, Feedback control for flanging, AUv3 audio unit extension, Expanded touch controls, Desktop quality algorithm, Thickens guitar and synth parts

**In-app purchases:** none


## Frequently asked questions

### Is Pitch Shift (Key Change) free?

Pitch Shift (Key Change) is free to download, with in-app purchases available.

### Is Zero Chorus free?

Zero Chorus costs $2.99, with no in-app purchases.

### Which has better reviews, Pitch Shift (Key Change) or Zero Chorus?

Pitch Shift (Key Change) is rated higher. Pitch Shift (Key Change) averages 4.4 out of 5 from 85 ratings, while Zero Chorus averages 4.2 from 22 ratings.

### Do Pitch Shift (Key Change) or Zero Chorus have ads?

Pitch Shift (Key Change) shows ads; Zero Chorus does not.

### Which is updated more often, Pitch Shift (Key Change) or Zero Chorus?

Pitch Shift (Key Change) ships an update every 2 months, and Zero Chorus every 6 months. Most recently, Pitch Shift (Key Change) was updated on September 21, 2026 and Zero Chorus 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.*