Troublemaker

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The legendary TB-303 has magical properties; it is filled to the brim with analog shimmer.

Price $8.99
Author Bram Bos
Supports Audiobus, Audio Unit (AU)
Rating total: 4.5 (62), current: 5 (3)
Version 1.6.1
Released 01/09/2017
Updated 06/22/2019
>> Troublemaker requires iPad 4/Mini 2/iPhone 5S/iPod Touch 6 or higher <<

Featured in the US Appstore! Here's what the reviews say:

"Perfect for on the move acid sessions, the Trouble Maker app faithfully recreates the sound of the original TB-303" - DJ Mag

"Troublemaker is absolutely no trouble at all to heartily recommend" - SoundOnSound

"If you want to make the bassline from Josh Wink’s ‘Higher State of Consciousness’ on the bus, this is the app for the job" - Factmag.com

"Top-notch stuff from a developer that just keeps getting better" - Musicappblog.com

"This app has been consuming all of my time this week! Love it!" - Discchord.com

Introducing Troublemaker: this is not a 303

The legendary TB-303 has magical properties; it is filled to the brim with analog shimmer. Its output jack is a gateway to a parallel universe and when you twiddle the filter knobs an army of highly trained pixies chisel the square waves from freshly harvested unicorn souls. So if you want a TB-303, you should buy a TB-303. But if you're after *that sound* Troublemaker will give you everything you need in spades.

Troublemaker sports a carefully crafted diode filter emulation and among the available oscillators are the typical raspy, nasal sawtooth and rubbery squarewave with its oddball shape and shifting pulsewidth.

It also has the wow.

Troublemaker is fully Audio Unit (AUv3) compatible, so you can go wild running multiple instances in your favorite DAWs.

It also has:
- Ableton Link synchronization,
-  MIDI CC controllers for all knobs (predefined),
- Core Midi, Virtual Midi, Bluetooth Midi input,
- MIDI Clock Sync, MIDI Start / Stop support
- Realtime Mutation Probability Engine
- Standalone sequencer supports 1-64 steps
- Audiobus 3 support (audio + MIDI)
- Exports MID and WAV files from the standalone sequencer
- User manual and MIDI charts on ruismaker.com

And unlike the TB-303, it can actually sound like a bass guitar ;-)

Version 1.6.1 release notes

Tackled an issue where suddenly no sound would be produced (issue introduced in iOS 12.3.1)

More Apps by Bram Bos (9)

Mozaic runs inside your favorite AU MIDI host, and gives you practical building blocks such as LFOs, pre-fab GUI layouts, musical scales, AUv3 support (with AU Parameters, transport events, tempo syncing, etc.), random generators and a super-simple yet powerful script language.

Price $7.99
Author Bram Bos
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (24), current: 5 (4)
Released 05/17/2019
Updated 07/03/2019

A different kind of drumsynth. Ruismaker Noir presents a hybrid approach between synthesized drums and rhythmic bass sounds - coming together in the fully integrated step sequencer.

Price $9.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 5 (38), current: 5 (2)
Released 11/11/2018
Updated 07/03/2019

Perforator is a rhythmic gating audio effect: it will creatively snip, cut, gap and filter incoming audio to create rhythmic patterns out of sustained sounds.

Price $3.99
Author Bram Bos
Type Effect
Effect type Compressor, Limiter, Gate, Other
Supports Audio Unit (AU)
Rating total: 5 (16), current: 5 (6)
Released 05/24/2018
Updated 12/11/2018

Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space.

Price $3.99
Author Bram Bos
Type Effect
Effect type Reverb, Delay, Echo, Stereo, Pan effects, Other
Supports Audio Unit (AU)
Rating total: 5 (30), current: 5 (26)
Released 03/06/2018
Updated 03/15/2018

Rozeta is a suite of MIDI sequencers and controllers.

Price $9.99
Author Bram Bos
Type Controller
Supports Audio Unit (AU)
Rating total: 5 (77), current: 5 (12)
Released 11/15/2017
Updated 03/29/2019

Ripplemaker is a West Coast Flavored Modular Synth.

Price $8.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (68), current: 5 (5)
Released 06/16/2017
Updated 06/22/2019

Ruismaker is a unique drumsynth plugin (i.e. it does not use samples), which is coupled with a creative Euclidean sequencer when run in standalone mode.

Price $4.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 4.5 (51), current: 5 (16)
Released 06/17/2016
Updated 04/10/2018

Ruismaker FM's simple, yet flexible synthesis engine lets you create anything from snaredrums, kickdrums and spacy toms to weird and unconventional percussive sounds and effects.

Price $4.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 5 (30), current: 5 (12)
Released 09/07/2016
Updated 04/10/2018

A full-blown 6-Operator FM Synth on iOS, building on the legacy of the classic synthesizers that defined the digital era of the 1980s.

Price $3.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU)
Rating total: 4.5 (35), current: 4 (4)
Released 10/20/2016
Updated 11/29/2018