# Xequence AU | Keys vs PolyPipe

The clearest difference is update cadence: PolyPipe at every 2 weeks against Xequence AU | Keys's every 8 months. Xequence AU | Keys's advantage is price ($2.99 vs $8.99) and rating (4.9 vs 4.6). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Xequence AU | Keys costs $2.99 and PolyPipe $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Xequence AU | Keys holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 18 and 10 respectively. Written reviews point the same way: 80% of Xequence AU | Keys's written reviews are positive against 75% of PolyPipe's.

Xequence AU | Keys ships an update every 8 months, PolyPipe every 2 weeks. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Xequence AU | Keys | PolyPipe |
| --- | --- | --- |
| Price | **$2.99** | $8.99 |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/xequence-au-keys/id1453028249/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/polypipe/id6758938642/reviews) |
| Number of ratings | **18** | 10 |
| Positive reviews | **80.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 3 MB | 31 MB |
| Requires iOS | 14.2 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Ewering](https://appshunter.io/developer/1743777532) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Xequence AU | Keys

[App page](https://appshunter.io/ios/app/xequence-au-keys/id1453028249)

This app functions as a versatile MIDI keyboard controller within AUv3 hosts, offering expressive playing modes and customizable controllers. It's designed for music production enthusiasts to enhance their workflow with a responsive and resource-efficient interface.

**Highlights:** Scale-aware single or dual keyboard, Adjustable key width and glide mode, Velocity emulation, Configurable MIDI CC touch ribbons, Special controller modes (MPE-like), AU presets and state saving

**Features:** Vision Pro support

**In-app purchases:** none


### PolyPipe

[App page](https://appshunter.io/ios/app/polypipe/id6758938642)

This app is a multi-lane polyphonic sequencer plugin for creating evolving musical patterns. It allows for independent control of rhythm, pitch, and modulation across multiple lanes, generating complex and unique sequences in real-time. Ideal for generative music and experimental pattern creation.

**Highlights:** Multi-lane sequencer with 4 independent lanes, Pattern-based structure with multiple patterns per lane, Advanced step parameters (pitch, velocity, gate, probability), Chord-aware steps and chord strumming, Multiple step modes (random, chord, bass, hybrid), Polyrhythmic playback with differing lane/pattern lengths, Probabilistic sequencing with per-step chance

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

**In-app purchases:** none


## Frequently asked questions

### Is Xequence AU | Keys free?

Xequence AU | Keys costs $2.99, with no in-app purchases.

### Is PolyPipe free?

PolyPipe costs $8.99, with no in-app purchases.

### Which has better reviews, Xequence AU | Keys or PolyPipe?

Xequence AU | Keys is rated higher. Xequence AU | Keys averages 4.9 out of 5 from 18 ratings, while PolyPipe averages 4.6 from 10 ratings.

### Do Xequence AU | Keys or PolyPipe have ads?

Neither Xequence AU | Keys nor PolyPipe shows ads.

### Which is updated more often, Xequence AU | Keys or PolyPipe?

Xequence AU | Keys ships an update every 8 months, and PolyPipe every 2 weeks. Most recently, Xequence AU | Keys was updated on September 28, 2026 and PolyPipe on September 25, 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.*