Assemble 4+

Synthesiser & Sequencer

David Spry

Designed for iPad

    • 4.8 • 4 Ratings
    • Free
    • Offers In-App Purchases

iPad Screenshots


Assemble is a synthesiser and sequencer for building musical patterns. Assemble is easy to use and it can be controlled either by touch or by keyboard and mouse.

Assemble's synthesiser features four bandlimited oscillators, each with eight voices of polyphony, a 16x oversampled tempo-synchronised stereo delay effect, and a vibrato effect. The parameters of each oscillator and each audio effect can be modified easily in real-time.

The synthesiser can be played by sequencing patterns of notes with Assemble's sequencer. Notes can be sequenced using a computer keyboard and mouse, or alternatively using Assemble's on-screen keyboard. A sequence can include as many as eight sixteen-step patterns, which can be played discretely in Pattern Mode or sequentially in Song Mode. Once a sequence is complete, it can be named and saved locally on your device.

Assemble can record audio and generate video clips from recorded audio for sharing. Each video clip adapts to Assemble's visual theme and features one of two audio visualisations: a standard waveform plot, or a Lissajous figure.

What’s New

Version 1.2

+ Oscillators can be muted by double-tapping the oscillator labels on either the main screen or the parameters screen.
+ Implemented UI and performance improvements.

Ratings and Reviews

4.8 out of 5
4 Ratings

4 Ratings

App Privacy

The developer, David Spry, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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