# polybeat — polyrhythmic drum sequencer

> Advanced polyrhythmic and polymetric drum sequencer for music production. (iPhone/iPad app by Corne Driesprong.)

- Source: https://appshunter.io/ios/app/polybeat/id1542598929 (this page in markdown: same URL + `.md`)
- Developer: [Corne Driesprong](https://appshunter.io/developer/1086747837)
- Category: Music
- Price: $7.99 with in-app purchases
- Rating: 4.50/5 from 20 App Store ratings · 17 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 18 MB
- Languages: American English
- Released: 2021-09-10
- Data updated: 2026-09-06
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/polybeat/id1542598929/reviews.md

## What is polybeat?

polybeat is an advanced and extremely flexible drum and percussion sequencer able to generate complex polyrhythmic and polymetric rhythmic patterns.

nb: polybeat does not make sound by itself, you will need to load it in an AUv3-compatible host (such as AUM, Audiobus, ApeMatrix, Nanostudio 2, etc.) or connect it to an external drum machine, synthesizer, computer or any other sound generating device.

features:
- independently configurable sequence length per drum voice (ranging from 1 to 32 steps)
- independently configurable step length per drum voice (ranging from double whole notes to 64th notes, including tuplets and dotted notes)
- every sequencer step can be modulated by the following attributes:
  - accent on/off
  - ratchet (note repeats)
  - skip (note every *n* loops)
  - chance
  - timing offset
- sample-accurate sequencing engine
- slick and responsive native UI
- undo/redo
- individual drum voices can be muted or solo'ed
- sequences can be instantly transformed by the following actions:
  - shift left/right
  - rotate
  - randomize
  - mirror
  - reverse
  - double
  - bisect
- full AUv3 preset- and state-saving
- ability to copy and paste patterns between instances of the plugin
- mapping presets for popular AUv3 drum apps and hardware drum machines
- includes musical scale presets for polybeat to be used as a melodic sequencer
- responds to MIDI input for switching and selecting patterns, as well as performing pattern transformations
- works offline
- no push notifications
- no ads or in-app purchases
- no third-party behavioural tracking tools
ongoing development and support, many new features on the roadmap

## Key features

- Configurable sequence and step length per drum voice
- Modulation of sequencer steps (accent, ratchet, chance, offset)
- Sample-accurate sequencing engine
- Sequence transformation actions (shift, rotate, randomize)
- AUv3 preset and state saving
- Offline functionality
- No ads or in-app purchases

## Pricing and in-app purchases

Base price: $7.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Big tip | $5.99 | one-time |
| Small tip | $1.99 | one-time |


## Recent user reviews (10 of 17)

All indexed reviews: https://appshunter.io/ios/app/polybeat/id1542598929/reviews.md

### 3/5 — DAW notwendig

*2026-08-14*

Da ich Cykle sehr mag habe ich mir Polybeat auch gekauft. Durch die Formulierung „…or Connect it to your Hardware.“ wird nicht deutlich, dass eine DAW zwingend notwendig ist. Kostenlose DAWs wie Garage Band erkennen Polybeat überhaupt nicht. So wäre eine kostenpflichtige die Alternative. Die Formulierung sollte geändert werden.

### 5/5 — An amazing polyrhythmic sequencer

*2024-04-30*

This sequencer is amazing! Easy to use, and very reliable. The ability to change individual step lengths in a drum lane is outstanding. The interface is easy on the eyes and great to look at. My only concern noticing that the last update was a year ago is hoping this app will continue to work well into the future with updates. Additionally, I would love to see proper screen resizing so I can see 32 steps or more. :)

### 2/5 — It’s okay

*2024-04-14*

Having to go through forum posts from a couple years ago to find a screenshot of the part of the manual I needed to see makes for a bad experience. It seems the manual page has been a 404 for a long time.

### 4/5 — Good but

*2024-02-08*

Great sequencer, but in AUM, if I extend past 16 beats, it clips the sound on beat 17 every single time (using both FAC Drumkit and Koala). Would be great to have a couple more assignable CCs as well. Otherwise perfect.

### 3/5 — Crashes constantly

*2024-01-14*

This app is functionally pretty cool except for the fact that it constantly crashes when hosted in AUM, making it useless for live performance. It also lacks a way to change patterns through external midi control. Fortunately I’ve found Rozeta Sequencer Suite gets both those birds stoned without any issues. Wish I would have known before spending money on this one though.

### 5/5 — An amazing polyrhythmic sequencer

*2024-01-10*

This sequencer is amazing! Easy to use, and very reliable. The ability to change individual step lengths in a drum lane is outstanding. The interface is easy on the eyes and great to look at. My only concern noticing that the last update was a year ago is hoping this app will continue to work well into the future.

### 5/5 — kühl

*2023-03-20*

sehr sehr schön. langzeittest steht noch aus.

### 4/5 — A joy to use, but……

*2022-12-19, version 1.2.1*

Ratcheting is only static. 
Like the GR-16 and others where ratcheting can be increased and decreased in velocity with multiple probabilities which gives more expression to drum programming, this feature right now does not exist in Polybeat. I say right now as I hope a future update will include this feature. 

Apart from that, it is a joy to use. Keep the apps maps coming.

### 3/5 — crashes all the time

*2022-05-21*

Gave this app a long time to get into my workflow but a constantly crashing app, no matter how good while working, is useless. please guys. you know how to do.

**Developer response:** I’m sorry to hear you’re having problems with polybeat. I’m not seeing any crash reports, are you able to reproduce the crashes under specific circumstances and, if so, would you be willing to send an e-mail to cdriesprong@gmail.com describing how to reproduce the crash so I can diagnose the problem? thanks in advance.

### 5/5 — Intuitive, useful and fun!

*2022-03-26, version 1.1.2*

Where Polybeat stands out from other AU3 controller apps is that everything is easily accessible and intuitive. It’s both fun to use and usefully functional. Polybeat comes with midi mapping for a number of popular drum apps, and so it’s possible to easily get some unique combinations going. AUM of Loopy Pro are both a good fit for Polybeat. Alas, as the time of writing, there is no mapping for DrumPerfect Pro. That app is suppose to work with General Midi input, but doesn’t.

## Frequently asked questions about polybeat

### What is polybeat?

polybeat is an advanced drum and percussion sequencer designed to create complex polyrhythmic and polymetric rhythmic patterns. It offers deep customization for each drum voice, allowing for intricate and unique rhythmic structures.

### Does polybeat make sound on its own?

No, polybeat does not produce sound by itself. It functions as a controller and requires an AUv3-compatible host application (like AUM or Audiobus) or an external sound-generating device to create audio.

### What kind of sequence and step lengths can polybeat handle?

Each drum voice in polybeat can have an independently configured sequence length from 1 to 32 steps. Step lengths can range from double whole notes down to 64th notes, including tuplets and dotted notes.

### Can I transform my sequences in polybeat?

Yes, polybeat allows for instant transformation of sequences through actions like shifting left/right, rotating, randomizing, mirroring, reversing, doubling, and bisecting. This provides creative flexibility in pattern manipulation.

### Is polybeat available on Android?

Based on the provided data, polybeat is supported on iPhone, iPad, and iPod. Information regarding Android availability is not included.

### How often is polybeat updated?

The latest version of polybeat is 1.2.1, last updated on May 22, 2022. The developer indicates ongoing development with many new features planned for the roadmap.

### What is the price of polybeat?

polybeat is a paid application priced at $7.99. There are no in-app purchases or advertisements within the application.

### Does polybeat have ads?

No, polybeat explicitly states that it has no ads or in-app purchases. It also does not include any third-party behavioral tracking tools.

## Version history (last 5 releases)

### 1.2.1 — 2022-05-22

- fixes selection bug in iOS 14
- collapsible modulation panel
- undo/redo
- audition sound on selecting track
- tap & hold slider to set exact value
- adds correct sample offset for MIDI note-offs
- tip jar
- various bugfixes and small improvements

### 1.2 — 2022-05-16

- collapsible modulation panel
- undo/redo
- audition sound on selecting track
- tap & hold slider to set exact value
- adds correct sample offset for MIDI note-offs
- tip jar
- various bugfixes and small improvements

### 1.1.2 — 2021-11-07

- fixed bug where notes would hang after modifying custom presets
- apply custom preset changes immediately
- added option to switch snapshots instantly, instead of waiting for the current bar finish
- save currently selected snapshot in preset and document state
- added additional MIDI mapping presets

### 1.1.1 — 2021-10-27

- various bugfixes and stability improvements

### 1.1 — 2021-10-12

- adds velocity modulation
- adds MIDI CC modulation
- added Beathawk MIDI mapping
- lowered minimum deployment target to iOS 11
- various bugfixes and stability improvements

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## More apps by Corne Driesprong

- [cykle](https://appshunter.io/ios/app/cykle/id1187680637)
- [somno](https://appshunter.io/ios/app/somno/id1521124468)

All apps by Corne Driesprong: https://appshunter.io/developer/1086747837

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*