# Pitch Shift (Key Change) vs Viking Synth

The clearest difference is price: Pitch Shift (Key Change) at Free against Viking Synth's $3.99. Pitch Shift (Key Change) also leads on update cadence (every 2 months vs every 4 months). Viking Synth's advantage is in-app purchases (none vs 2) and ads (none vs shown). On ratings volume and device support there is nothing between them.

Pitch Shift (Key Change) is free to download; Viking Synth costs $3.99 up front. Pitch Shift (Key Change) sells 2 one-off in-app purchases. Viking Synth asks for nothing beyond the download.

Viking Synth holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 85 and 42 respectively. Written reviews point the same way: 50% of Pitch Shift (Key Change)'s written reviews are positive against 69% of Viking Synth's.

Pitch Shift (Key Change) ships an update every 2 months, Viking Synth every 4 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Pitch Shift (Key Change) | Viking Synth |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.4 (85 ratings)](https://appshunter.io/ios/app/pitch-shift-key-change/id670120398/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/viking-synth/id1085274012/reviews)** |
| Number of ratings | **85** | 42 |
| Positive reviews | 50.0% of reviews | **69.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 11 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 |


### Viking Synth

[App page](https://appshunter.io/ios/app/viking-synth/id1085274012)

This app emulates a classic monophonic analog synthesizer with advanced DSP technology. It features three variable wave oscillators, dual ladder filters, an LFO, and two modulation busses for versatile sound design.  An intuitive interface and extensive preset library make it ideal for creating thick bass and rich lead sounds.

**Highlights:** Three continuously variable wave oscillators, Dual ladder filters (Lowpass/Highpass), Multi-wave LFO, Two modulation busses, Intuitive user interface with expandable controls, 228 presets including Bass, Lead, and Synthwave, State-of-the-art DSP for authentic sound

**In-app purchases:** none

**What reviewers like**

- 🎶 Great sound quality
- 💡 Versatile sound options
- 💰 Excellent value (free)
- 💻 Lightweight and efficient
- 🎹 Good for learning synthesis

**What reviewers complain about**

- ❓ Preset issues
- 🔌 Not a standalone app
- 🐛 Occasional crashes
- 💾 Settings not saving
- 🤷‍♂️ Difficult to find/use

**Reported bugs**

- Presets not showing up
- Presets disappear
- App not showing in AUv3 menu
- Settings not saving after iOS 14 update
- Crashes when opening presets browser

**Requested features**

- More subtle drive mode
- Categorized preset browser
- Polyphony option
- Dark mode
- More apps from developer


## Frequently asked questions

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

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

### Is Viking Synth free?

Viking Synth costs $3.99, with no in-app purchases.

### Which has better reviews, Pitch Shift (Key Change) or Viking Synth?

Viking Synth is rated higher. Pitch Shift (Key Change) averages 4.4 out of 5 from 85 ratings, while Viking Synth averages 4.7 from 42 ratings.

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

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

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

Pitch Shift (Key Change) ships an update every 2 months, and Viking Synth every 4 months. Most recently, Pitch Shift (Key Change) was updated on September 21, 2026 and Viking Synth on September 23, 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.*