# Rozeta Sequencer Suite — MIDI Sequencer Plugins

> Mobile MIDI sequencer and controller suite for music production. (iPhone/iPad app by Bram Bos.)

- Source: https://appshunter.io/ios/app/rozeta-sequencer-suite/id1292546479 (this page in markdown: same URL + `.md`)
- Developer: [Bram Bos](https://appshunter.io/developer/325340444)
- Category: Music
- Price: $9.99
- Rating: 4.80/5 from 152 App Store ratings · 101 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 3 MB
- Languages: American English
- Released: 2017-11-15
- Data updated: 2026-08-30
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/rozeta-sequencer-suite/id1292546479/reviews.md

## What is Rozeta Sequencer Suite?

Rozeta is a suite of MIDI sequencers and controllers that lets you explore a new, freeform approach to sequencing and controlling mobile music apps. 

The app contains 10 MIDI Audio Units (a totally new feature in iOS11) in a single package, which can be loaded in compatible MIDI AU hosts (AUM, Cubasis 2, ApeMatrix, Sequencism).

1) Rozeta Bassline: a monosequencer based on the popular Troublemaker sequencer. Obviously comes with all the randomization and mutation features. Up to 8 patterns per sequence, with Follow Actions. Transpose using MIDI.

2) Rozeta Rhythm: a euclidean drum sequencer with mutations per instrument and polyrhythms. Comes with configurable key mappings for many popular drum apps.

3) Rozeta X0X: classic TR-styles step sequencer for drum machines. Supports triplets, polyrhythms and mutations per channel. Optionally emulates the exact timing jitter pattern of the legendary TR-808

4) Rozeta LFO: a triple MIDI LFO generator lets you modulate CC parameters of your MIDI instruments. Apply amplitude modulation to each wave for more organic behavior. Optionally syncs to tempo.

5) Rozeta XY: a double XY Controller Pad for generating 4 simultaneous configurable CC controller streams per instance. Also features MOD wheel and PitchBend sliders.

6) Rozeta Arpeggio: adds a MIDI arpeggiator to any of your synths. Offers latch mode, shuffle and automatic tempo synchronization. Turn any incoming MIDI stream into an arpeggio on the fly.

7) Rozeta Particles: MIDI particle generator - generates a cloud of MIDI notes that create pseudo-random patterns when bounding off the walls.

8) Rozeta Cells: Polyphonic Step Recorder - record and play back polyphonic phrases and patterns.

9) Rozeta Collider: MIDI Hadron Collider - explore semi-repeating generative patterns and melodies.

10) Rozeta Scaler (NEW): MIDI Scale Quantizer and Transposer - tune incoming MIDI to a different scale, never play out of tune again.

Notes: 
- these plugins do not run as a standalone app and require a compatible host to work
- MIDI is not sound. To make sound you'll have to feed the MIDI into a synthesizer or instrument app. Bring your own synths!

## Key features

- 10 MIDI Audio Units
- Monosequencer with randomization
- Euclidean drum sequencer
- Classic step sequencer
- Triple MIDI LFO generator
- XY Controller Pad
- MIDI arpeggiator
- MIDI particle generator
- Polyphonic step recorder
- Generative pattern explorer

## What do users think of Rozeta Sequencer Suite?

Overall sentiment: positive

**Pros**

- 💎 Versatile collection of sequencers and MIDI tools
- 🎯 Excellent value for money
- ⚡ Low CPU usage and stable performance
- 🎨 Clean and intuitive user interface
- 🔧 Highly customizable and flexible
- 🎵 Powerful generative capabilities
- 👨‍💻 Responsive and attentive developer
- 🔌 Seamless AUM integration
- 🎼 Easy to learn once you understand the basics
- 🎛️ Multiple instances of each plugin available

**Cons**

- 🎚️ Limited LFO rate options
- 📱 Compatibility issues with some DAWs (Cubasis, BeatMaker 3, GarageBand)
- 🖱️ Cumbersome UI for numeric input (tiny arrows instead of text fields)
- 📖 Insufficient documentation and tutorials
- 🎛️ One-way loopable menus frustrating to navigate
- 🪟 Window resizing issues in AUv3 plugin mode
- 🔍 Steep learning curve for beginners
- ⚙️ Limited MIDI and AU parameter mapping options
- 🎹 Bassline tool note input is fiddly
- 🎵 Some plugins lack essential controls (gate time, note visibility)

**Commonly reported bugs**

- App fails to launch on some iPad models
- Crashes when used as AUv3 plugin in certain DAWs
- Instability in Cubasis causing DAW crashes
- Arpeggiator cuts notes short instead of quantizing
- Random note playback in some configurations
- Audio glitches and note cutoff issues
- Polyphonic aftertouch data not transposed in Scaler
- Incompatibility with specific DAW versions
- Plugin window elements become obscured
- Difficulty syncing with certain host applications

**Most requested features**

- Faster LFO rate options (16x tempo sync)
- MIDI export functionality for patterns
- Pattern switching and saving capabilities
- Wider clock division range (beyond 2 bars)
- LFO phase position control and reset via MIDI
- Randomness/mutation control via MIDI mapping
- Live recording feature
- Forward/backward sequence playback
- MIDI retrigger function for Bassline and Cells
- Polyphonic aftertouch support in Scaler
- Gate time control for arpeggiator
- Piano roll sequencer module
- Motion recording for XY pad
- Velocity level adjustment in drum sequencer
- Editable cells with note visibility in Cells plugin
- Longer maximum note length for pads
- Euclidean sequencer custom pattern creation
- Preset kit saving for X0X
- MIDI learn button for drum samples
- Standalone mode with MIDI out capability

## Recent user reviews (10 of 101)

All indexed reviews: https://appshunter.io/ios/app/rozeta-sequencer-suite/id1292546479/reviews.md

### 2/5 — Cells not working in 2026

*2026-06-04*

I just bought this to use with AUM and Cells doesn’t work. It won’t record on any cell other than the first one. Particles is working it seems.. I haven’t had the opportunity to try any of the other features in the suite. Will update once I can..

### 5/5 — Please remove the “old” plugins

*2026-05-31*

I think most hosts support midi fx now so can you remove these “old” plugins?

### 5/5 — Richtig cool! 😊

*2024-08-26*

Richtig coole, vielseitige Sequencer Suite, die unseren eigenen Drum Sequencer OCTACHRON für mich optimal ergänzt ✌️🎶😊

### 4/5 — Great suite

*2024-03-29*

Great and useful for live playing. Would be even better if there was a faster LFO rate option!

### 5/5 — Ziemlich gut

*2024-03-16*

Vieles sehr gut - einiges sollte man verbessern. Zum Beispiel beim Bassline Tool ist es sehr fummelig, die Töne einzustellen, jedenfalls für mich.

### 2/5 — The app needs some work on UX.

*2023-11-19*

Though this app has some nice features, it also has some usability drawbacks. Why would you put one way loopable menus almost everywhere (like for example arpeggio direction), this is so frustrating, why not to use drop down menus, why there is no manual input for numeric values like channel numbers in LFO etc., so it requires to use those tiny arrows, and if I need channels near 127, that’s so annoying. I really hope you will revisit user experience in your app.

### 5/5 — Hi, I Need the ability to export a midi pattern from Bassline to the Required External Folder

*2023-10-28*

Hi, I Need the ability to export a midi pattern from Bassline to the Required External Folder, And the ability to switch between Saved Patterns Thanks!

### 5/5 — The best used by the best

*2023-08-15, version 1.3.16*

Bram’s apps are no secret some of the best around and at an affordable cost. This is a great value.

### 5/5 — Amazing

*2023-07-30, version 1.3.16*

I like Rozeta a lot because is simple and fast. Only problem is that I can’t remove the “old” tag on it. Hiw it works?

### 5/5 — Essential MIDI tools

*2023-05-30, version 1.3.16*

A great pack of super useful MIDI sequencing tools. Easy to learn and to use.

## Frequently asked questions about Rozeta Sequencer Suite

### What is Rozeta Sequencer Suite?

Rozeta Sequencer Suite is a collection of 10 MIDI sequencers and controllers designed for mobile music production. It allows users to explore new ways of sequencing and controlling MIDI instruments within compatible host applications.

### What are the key features of Rozeta Sequencer Suite?

The suite includes various sequencers like a monosequencer, a euclidean drum sequencer, a classic step sequencer, and generative pattern tools. It also offers MIDI LFOs, XY controllers, an arpeggiator, a polyphonic step recorder, and a MIDI scale quantizer.

### How much does Rozeta Sequencer Suite cost?

Based on the provided information, the application is a paid product. There are no mentions of in-app purchases or advertisements, indicating a one-time purchase model.

### What are the compatibility requirements for Rozeta Sequencer Suite?

These plugins require a compatible MIDI AU host application to function, such as AUM, Cubasis 2, ApeMatrix, or Sequencism. They do not run as standalone apps and need to be fed into a synthesizer or instrument app to produce sound.

### What are some common use cases for Rozeta Sequencer Suite?

Users can employ this suite for creating complex rhythmic patterns, generating evolving melodies, modulating synth parameters with LFOs, and ensuring their MIDI input stays in tune with the scale quantizer. It's ideal for experimental and structured mobile music creation.

## Version history (last 5 releases)

### 1.3.16 — 2023-05-24

Added MIDI FX versions of all plugins for compatibility with Logic Pro on iPad.

These should now be the preferred plugin versions in all hosts.
(The older versions are marked "old" and may in time become deprecated, but no hurry)

### 1.3.15 — 2023-04-18

Fixed a little booboo in Scaler

### 1.3.14 — 2023-04-17

Rozeta Scaler: added a workaround to fix stuck notes that could sometimes occur when sending MIDI from the AU host to another external app

### 1.3.13 — 2021-11-14

Fixed a minor issue with the pitchbend control in Rozeta XY

### 1.3.12 — 2021-06-30

A recent iOS update made some labels in LFO invisible.

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## More apps by Bram Bos

- [Ruismaker](https://appshunter.io/ios/app/ruismaker/id1122156899)
- [Ruismaker FM](https://appshunter.io/ios/app/ruismaker-fm/id1143644577)
- [Phasemaker](https://appshunter.io/ios/app/phasemaker/id1161642832)
- [Troublemaker](https://appshunter.io/ios/app/troublemaker/id1180892130)
- [Ripplemaker](https://appshunter.io/ios/app/ripplemaker/id1207806723)

All apps by Bram Bos: https://appshunter.io/developer/325340444

## Related topics

[sequencer rack 2](https://appshunter.io/ios/topics/sequencer-rack-2) · [synth sequencer](https://appshunter.io/ios/topics/synth-sequencer) · [ruismaker](https://appshunter.io/ios/topics/ruismaker)

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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 2026-08-30.*