KQ MiniSynth

KQ MiniSynth is a polyphonic modular synthesizer.
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KQ MiniSynth Icon
KQ MiniSynth
Ryouta Kira
Download on the App Store

Disclaimers: Wrong English may be included in this app because I am not so good at English.

Description of all included modules is here.
Contact Information is here.

Description

This app lets you create tones with module patching.
You can add/remove up to 100 modules freely as you want.
(Oscillators, Envelope Generators, Filters, and so on)
Of course it depends on your device’s ability.

Modular system is also good for education use.
You can learn the role of various modules while patching those.

The Patch-Editing view supports zooming.
You can connect modules with taps easily.

70 Presets are included.
External and Virtual MIDI is Supported.
MIDI over Bluetooth LE is Supported (Act as a Central device).
Inter-App Audio is Supported.
Audiobus is Supported.
Ableton Link integration.
Includes an Audio Unit Extension (AUv3 Instrument).

URL Scheme: kqminisynth://

FAQ

Q: The output sounds too quiet.
A: Expression value(Ctrl #11) may be too small. Try to Tap “RESET” on I/O Panel. When it is not improved, try to change an option “Boost Velocities”.

Q: The velocities seem to be ignored on Audio Unit.
A: If you want to enable the note velocity function in Audio Unit, try to turn off “Ignore Velocities” in the settings. (The default is on because GarageBand sends velocities randomly.)

Q. I want to customize the software keyboard.
A. A gear appears when you drag the upper part of the keyboard. Try to tap it with another finger.

KQ MiniSynth Icon
KQ MiniSynth
Ryouta Kira
Download on the App Store

Here is a list of the included modules.

KQ MiniSynth
KQ MiniSynth Keyboard

About Audiobus

Introducing Audiobus support: Now you can stream live audio directly to other Audiobus-compatible apps! See http://audiob.us for more information.

About Ableton Link

Ableton Link is a new technology that synchronizes beat, phase and tempo of Ableton Live and Link-enabled iOS apps over a wireless network. It lets you play devices together with the freedom of a live band. Anyone can start and stop their part while others keep playing, and anyone can adjust the tempo and the rest will follow.
You can use Link to play with several instances of Ableton Live, with Live and iOS apps, or even without Live in your setup: using Link- enabled apps on multiple devices, or multiple apps on the same device.

KQ MiniSynth Icon
KQ MiniSynth
Ryouta Kira
Download on the App Store

BUG INFORMATION

Version 2.0.9 or below

You could not have turned off “Hold” at the normal mode (Modules & Keyboard mode).
To turn off “Hold”, Tap “RESET” at I/O Panel or Turn off “Hold” at the keyboard mode.
This bug has been fixed on Version 2.0.10.

Version 2.0.6

The app crashed when launching on iOS 8.x.
Now this bug has been fixed.

Version 2.0.2, 2.0.3

FM did not work on OSC-A. In version 2.0.2, master tuning of A4 went strange.
Now these bugs have been fixed.

iOS 11 … 11.0.3

When connected with Inter-App Audio, the host app icon is invalid.
This bug is fixed on iOS 11.1.

Version 1.2.2 or below

The app might crash with a particular connection.
The VCF did not work well.

Version 1.2.1 or below

You can not open a Save/Load window with version 1.2.1 or below on iOS 7 or below device if the clipboard contains something.

KQ MiniSynth Icon
KQ MiniSynth
Ryouta Kira
Download on the App Store

Update history

Date Format: Year-Month-Day.

Version 3.1.6

Changed linker options. (Linker is a development tool.)
It prevents from potential crashes.

Released on 2023-12-02.

Version 3.1.5

Improved appearance.

Released on 2023-11-27.

Version 3.1.4

Fixed failed validation on Mac.

Released on 2023-09-02.

Version 3.1.3

Fixed some issues with portamento not being saved/loaded.

Released on 2023-07-25.

Version 3.1.2

Now it passes validation on Mac. The previous Audio Unit is deprecated.
Added support for Mac.

Released on 2023-06-19.

Version 3.1.1

Fixed an issue where users could not save the patch to iCloud after deleting iCloud Drive data.

Released on 2023-06-10.

Version 3.1

Added modules:
– Curve Function
– Multiplier
– All-Pass Filter

Changed modules:
– Custom Controller
Added Clock, Start/Stop State, Pitchbend, and Aftertouch.

New features:
– Breath Source: Added an option that inbound CC#11, CC#7, or Aftertouch is treated as CC#2.

Bug fixes:
– Fixed a layout issue on iOS 12.x.
– Ableton Link now works. It did not work on iOS 14 or later.
– Fixed some descriptions.

Released on 2023-02-05

Version 3.0

Added modules:
– Wave Shaper
– 8 Step Sequencer
– Bit Crusher
– Low Pass Gate
– Oscilloscope

Changed modules:
– Logical And
– Logical Or
– Noise Generator
– Sample And Hold Amplifier
– Voltage-Controlled Filter

Other modules which are not listed may be also changed.

Fixed appearance glitches.
Added Tip Jar (for iOS/iPadOS 15 or later).
The minimum supported OS version is 12.4.
Other fixes.

Released on 2023-01-06

Version 2.1.1

  • Updated Audiobus SDK.
  • Released on 2020-09-07

Version 2.1

  • You can specify more fine values at EG-A.
  • Added Smoothing knobs and MIDI CC.
  • Bug-fix: The Autosave-slot select window may have appeared every time.
  • Other small fixes.
  • Released on 2020-01-13

Version 2.0.12

  • Bug-fix: The app might have crashed on 32-bit devices.
  • Updated Audiobus SDK.
  • Released on 2020-01-08

Version 2.0.11

  • Bug-fix: Files could not be opened at Files.app on iOS 13.
  • Updated Audiobus SDK.
  • Released on 2019-10-22

Version 2.0.10

  • Bug-fix: You could not have turned off “Hold” at the top screen.
  • Other small fixes.
  • Released on 2019-09-16

Version 2.0.9

  • Fixed issue: Keys were pressed permanently when 3 finger touching.
  • Released on 2019-09-12

Version 2.0.8

  • Updated Audiobus SDK.
  • Released on 2019-06-18

Version 2.0.7

  • The crash bug on iOS 8.x has been fixed.
  • Released on 2019-03-24

Version 2.0.6

  • Bug-fix:
    • It was not able to control Audio Unit Extension via I/O panel.
    • Frequency Analyzer was incorrect periodically.
    • Version was wrong at Settings.app.
  • Optimization:
    • Removed duplicated data.
    • Removed unused images.
  • Released on 2019-03-07

Version 2.0.5

  • Small fixes.
  • Released on 2019-01-06

Version 2.0.4

  • Bug-fix: FM did not work on OSC-A.
  • Released on 2018-11-13

Version 2.0.3

  • Bug-Fix: Tuning was strange.
  • Released on 2018-11-13

Version 2.0.2

  • Supports iOS 12.1.
  • Each instance can have a different tuning frequency.
  • Improved pitch modulation.
  • Changed the behavior of Safe Area.
  • Released on 2018-11-13

Version 2.0.1

  • Added hold feature.
  • The Auto-Save slot select window on AudioUnit appears only once even if you select “Don’t Use”.
  • Fixed some bugs around the Auto-Save slot feature on AudioUnit.
  • Other small fixes.
  • Released on 2018-10-23

Version 2.0

  • Stereo modules are added.
  • Added modules:
    Mono To Dualmono, Stereo To Mono, Panner, Chorus Effector, Flanger, Modulated Delay, Reverb Filter (FreeVerb), Polyphonic Or Gate
  • Modified modules:
    Reverb Filter (KQ) (Became Stereo)
  • Noise which occurred when connecting/disconnecting cables is reduced.
  • A description is shown when you tap module’s title.
  • Updated Sequencer Examples.
  • Other small fixes.
  • Released on 2018-10-19

Version 1.8.14

  • iOS 12 Support.
  • Small fixes.
  • Released on 2018-9-14

Version 1.8.13

  • Fixed Audiobus issue.
  • Released on 2018-2-7

Version 1.8.12

  • The Audio Unit screen size is flexible if the host supports it.
  • Released on 2018-1-19

Version 1.8.11

  • Improved Buttons on iPhone X.
  • Other small fixes.
  • Released on 2017-12-6

Version 1.8.10

  • Changed Value-Picker Window which appears when tapping knobs.
  • Improved Oscilloscope.
  • Aliasing noise occurred with Triangle waves.
  • Freq Fine values were wrong.
  • Released on 2017-11-21

Version 1.8.9

  • Added “Boost Velocities” option. (Turn on this if it sounds too quiet.)<_li>
  • “Dry Wet Mixer” was renamed “Crossfader”
  • Other small fixes.
  • Released on 2017-11-11

Version 1.8.8

  • Disable background-mode when Bluetooth connected.
  • Released on 2017-11-09

Version 1.8.7

  • Now you can select MIDI Sources (includes MIDI over Bluetooth LE).
  • Other small fixes.
  • Released on 2017-11-08

Version 1.8.6

  • Supports iPhone X screen.
  • Released on 2017-11-04

Version 1.8.5

  • Supports iCloud Drive.
  • Supports file management on iOS 11.
  • Ignores invalid tempo.
  • Released on 2017-10-03

Version 1.8.4

  • Added dealing with iPhone X screen.
  • Other small fixes.
  • Released on 2017-09-29

Version 1.8.3

  • Improved the behavior of Audio Unit Extension parameters.
  • Fixed a version number on Settings app.
  • Fixed a crash bug.
  • Released on 2017-07-05

Version 1.8.2

  • Added Audio Unit Extension parameters.
  • Bug-fix: Parameters could not be applied on Audio Unit Extension.
  • Released on 2017-06-30

Version 1.8.1

  • Bug-fix: Clipping noises occurred.
  • Released on 2017-06-29

Version 1.8

  • Modified the synth engine.
  • Added Polyphonic Noise feature.
  • Added modules: 8 Step Sequencer (CV/Gate), Loop Gate, CV Mixer, Dry / Wet Mixer, LFO (Tempo Sync), Toggle, Const Value.
  • You can disconnect all cables which are connected to a connector when you tap the connector twice.
  • Changed a Clipboard behavior.
  • Changed a behavior when Audiobus connected.
  • Bug-fix: Something was wrong when the sample rate is not 44100 Hz.
  • Bug-fix: Could not record.
  • Supports Audiobus 3.
  • Ableton Link integration.
  • Released on 2017-06-28

Version 1.7.4

  • A crash bug when opening the preferences is fixed.
  • The bug, Glide settings is not loaded when you load presets, is fixed.
  • Released on 2017-01-30

Version 1.7.3

  • The bug, the app might crash when using a Reverb filter is fixed.
  • Changed behavior when audio queue is stopping.
  • Released on 2017-01-14

Version 1.7.2

  • Added Knob Type and Sensitivity Settings.
  • The bug, MIDI events were not handled (This happened in some DAWs e.g. BeatMaker 2) is fixed.
  • The bug, some preferences was not tweak-able in Audio Unit is fixed.
  • Changed the order of settings in Audio Unit.
  • Released on 2017-01-11

Version 1.7.1

  • Engine optimization.
  • Changed Audio Unit behavior about the settings of middle-A frequency.
  • A bug, Audio Unit cannot be controlled by the user maybe fixed.
  • Released on 2016-12-11

Version 1.7

  • Added Patch Backup function.
  • Supports iCloud.
  • Modified saving behavior in the Audio Unit Extension. (Some preferences are saved in the DAW Documents)
  • Fixed some bugs.
  • Released on 2016-12-03

Version 1.6

  • 51 new preset patches.
  • Supports Patch importing/exporting.
  • Supports 2ch stereo recording.
  • Added a record button animation.
  • You need just 2 taps to connect modules.
  • Added preferences of EG.
  • Changed cable colors.
  • Fixed some bugs.
  • Released on 2016-11-18

Version 1.5

  • The Glide settings come to be included by each Patch data.
  • The Active Sensing behavior has changed.
  • Released on 2016-10-19.

Version 1.4.2

  • Improved stability.
  • Released on 2016-10-17.

Version 1.4.1

  • The Delay Effector crash bug is fixed.
  • Released on 2016-10-16.

Version 1.4

  • Oscilloscope have been added.
  • Reverb is changed.
  • Antialiasing is implemented.
  • Support 2ch Stereo.
  • Added Custom Controller module.
  • Negative Gain on Booster module.
  • Changes Appearance a little.
  • Sound Volume may change.
  • New I/O Panel (Volume, Pan, Portamento).
  • Pitch Bend Sensitivity preferences.
  • Invalid preferences have been removed. (Preferences.app)
  • Bug fix — Virtual MIDI has been enabled now.
  • Bug fix — SuperSaw went wrong.
  • Bug fix — A crash bug is fixed.
  • Released on 2016-10-11.

Version 1.3.1

  • Improved stability.
  • Removed AU warnings.
  • Released on 2016-04-22.

Version 1.3

  • Acts as Audio Unit Extension (Instrument).
  • Added “Sending a patch via E-mail”.
  • App Crash bug with a particular connection is fixed.
  • Fixed VPF behavior.
  • Released on 2016-01-30.

Version 1.2.2

  • Fixed that A Save/Load Window cannot be opened on iOS7 or below devices when the clipboard contains something.
    (Thanks to Edward Hussey for finding bug)
  • Released on 2016-01-25.

Version 1.2.1

  • Connected Cables can be shown.
  • Fixed that the Synth was reset when you were back from the Keyboard mode.
  • Fixed Keyboard behavior during a trill.
  • Probably Fixed a Save/Load bug on iOS 7.
  • Released on 2016-01-18.

Version 1.1

  • Audiobus supported.
  • Added preference screen.
  • Fixed some bugs.
  • Released on 2016-01-13.

Version 1.0

  • The first release.
  • Released on 2016-01-09.

KQ MiniSynth Icon
KQ MiniSynth
Ryouta Kira
Download on the App Store