# Pitch Shift (Key Change) vs Crystals Harmonizer®

The clearest difference is price: Pitch Shift (Key Change) at Free against Crystals Harmonizer®'s $14.99. Pitch Shift (Key Change) also leads on ratings volume (85 vs 20). Crystals Harmonizer®'s advantage is review sentiment (92% vs 50%) and in-app purchases (none vs 2). On rating, update cadence and device support there is nothing between them.

Pitch Shift (Key Change) is free to download; Crystals Harmonizer® costs $14.99 up front. Pitch Shift (Key Change) sells 2 one-off in-app purchases. Crystals Harmonizer® asks for nothing beyond the download.

Crystals Harmonizer® holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 85 and 20 respectively. Written reviews point the same way: 50% of Pitch Shift (Key Change)'s written reviews are positive against 92% of Crystals Harmonizer®'s.

Pitch Shift (Key Change) ships an update every 2 months, Crystals Harmonizer® every 3 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | Pitch Shift (Key Change) | Crystals Harmonizer® |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [4.4 (85 ratings)](https://appshunter.io/ios/app/pitch-shift-key-change/id670120398/reviews) | **[4.6 (20 ratings)](https://appshunter.io/ios/app/crystals-harmonizer/id1504257443/reviews)** |
| Number of ratings | **85** | 20 |
| Positive reviews | 50.0% of reviews | **92.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 15 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Eventide](https://appshunter.io/developer/546518026) |

## 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 |


### Crystals Harmonizer®

[App page](https://appshunter.io/ios/app/crystals-harmonizer/id1504257443)

This app offers advanced pitch shifting, delay, and reverb effects inspired by a classic hardware unit. Create expansive, modulated soundscapes for instruments and vocals, with real-time control over parameters.

**Highlights:** Twin reverse pitch shifters, Reverse granular delays, Real-time RIBBON control, Octave up FLEX button, Long decay reverb, Musical micro-pitching, Standalone and AUv3 plugin

**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 Crystals Harmonizer® free?

Crystals Harmonizer® costs $14.99, with no in-app purchases.

### Which has better reviews, Pitch Shift (Key Change) or Crystals Harmonizer®?

Crystals Harmonizer® is rated higher. Pitch Shift (Key Change) averages 4.4 out of 5 from 85 ratings, while Crystals Harmonizer® averages 4.6 from 20 ratings.

### Do Pitch Shift (Key Change) or Crystals Harmonizer® have ads?

Pitch Shift (Key Change) shows ads; Crystals Harmonizer® does not.

### Which is updated more often, Pitch Shift (Key Change) or Crystals Harmonizer®?

Pitch Shift (Key Change) ships an update every 2 months, and Crystals Harmonizer® every 3 months. Most recently, Pitch Shift (Key Change) was updated on September 21, 2026 and Crystals Harmonizer® on September 21, 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.*