# Pitch Shift (Key Change) vs StringView

The clearest difference is price: Pitch Shift (Key Change) at Free against StringView's $2.99. StringView's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

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

Pitch Shift (Key Change) ships an update every 2 months, StringView every 3 weeks. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Pitch Shift (Key Change) | StringView |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (85 ratings)](https://appshunter.io/ios/app/pitch-shift-key-change/id670120398/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 5 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [Robin Dupuy](https://appshunter.io/developer/1875474748) |

## 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 |


### StringView

[App page](https://appshunter.io/ios/app/stringview/id6758876210)

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

**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 StringView free?

StringView costs $2.99, with no in-app purchases.

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

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

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

Pitch Shift (Key Change) ships an update every 2 months, and StringView every 3 weeks. Most recently, Pitch Shift (Key Change) was updated on September 30, 2026 and StringView 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.*