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ThumbJam

4.5 (4)

Find out who is using ThumbJam

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Page last updated Aug 10, 2025

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Videos

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The Sound Test Room

Thumbjam Update for iPad, Why I Love This Amazing App

The Sound Test Room

LinnStrument ThumbJam demo (bus-powered by iPad Air)

Geert Bevin

Midi Guitar using Thumbjam and Sampletank

Tim Behrens

The Amazing THUMBJAM And How I Like To Chill My Beans With It - iPad Demo

The Sound Test Room

The Amazing ThumbJam by Sonosaurus - Live Demo for the iPad

The Sound Test Room

Tutorial - Introduction to iPad app Thumbjam

Drake Music Scotland

ThumbJam multichannel live performance (w/ Fugue Machine, Ruismaker Noir, Dedalus, Dubstation, etc.)

ajp

Midiflow Adapter with ThumbJam

Midiflow

Tutorial - Thumbjam App - Creating Loops - Part 1

Drake Music Scotland

ThumbJam Instruments Library for iOS - How To App on iOS! - EP 52

Jade Starr Music

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ThumbJam.

Features and functionality

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ThumbJam offers an eight-part multitimbral capability with separate outputs for each instrument, allowing for complex arrangements and setups.
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The app supports a four-way split on its keyboard, enabling different MIDI channels for each split, enhancing live performance flexibility.
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The control interface supports unusual scales, offering a unique experience for users exploring diverse musical styles.
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ThumbJam can function as a MIDI controller for other apps like Ripplemaker or Sunrizer through MIDI Output Connections, enhancing its versatility.
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Software and compatibility

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ThumbJam, although not an AU plugin, can perform closely to one when integrated with Audiobus, facilitating state-saving and multitasking over DAWs.
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Use cases and applications

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Combining ThumbJam with Fugue Machine and StepPolyArp Unit allows for intricate MIDI routing and live performance setups.
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The app is effectively used in live settings, integrating with AUM and processing audio through various effects apps for a rich sound palette.
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User experience

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Owners find MIDI setup on iOS challenging, but ThumbJam’s multichannel capabilities help streamline complex MIDI performances.
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Users appreciate ThumbJam as a MIDI controller, citing its interface as superior to other options, providing a smooth and intuitive control experience.
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Setup and maintenance

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To use ThumbJam as a controller, ensure MIDI is on, and activate Note Output and Clock Output under MIDI Output Connections. Mute internal sounds for external synth use.
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4.5 out of 5

Based on 0 Reviews and 4 Ratings

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Artist usage

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Robert Fripp

Guitarist, Keyboardist

King Crimson

Verified via MusicRadar

"It's just a keyboard controller. The sound is from an iPad app called ThumbJam, which reacts to MIDI messages."

Richard Dawson

Singer, Guitarist

Verified via Bombmagazine

"There’s a synth that was in the studio and then I used a program on the tablet called ThumbJam. I played lots of trumpet sounds and string sounds on that, but put them through amps so they sounded less digital and more fucked up."