PolyHarp is a virtual musical instrument and a thought experiment. It takes the basic idea of a chorded zither and extends it to large numbers of chord choices, made out of any kinds of intervals, multi-string courses,...
PolyHarp is a virtual musical instrument and a thought experiment. It takes the basic idea of a chorded zither and extends it to large numbers of chord choices, made out of any kinds of intervals, multi-string courses, fretting, and massive polyphony. It's a testbed for harmonic theory as well as a great multi touch simulation of the good old "idiot zither" you have in the attic. PolyHarp can translate many of these innovations to MIDI and is a powerful MIDI controller. PolyHarp comes with a large number of presets, exploring many variants on stringed instruments, but its real power is its ability to build strange new chords, layouts, and controls into otherwise impossible instruments. PolyHarp supports Audiobus 3, including saving setups, and IAA.
Version History A number of fixes, improvements like being able to paste parameters to all other string areas, more robust onscreen rendering, strings can be offset by hertz as well as cents, some rudimentary MPE support. More to come, but this is somewhat exciting. 1.0.18 12/23/2024 Fixed some things that mostly annoyed me, having to do with using MIDI CC01 as a modulator destination, which was actually sending CC00. 1.0.17 11/22/2021 Fixed spurious crash when trying to edit a chord button! 1.0.16 05/26/2021 Bug fixes and things that annoyed me fixed. 1.0.15 05/13/2021 Bug fixes many of which I've forgotten! Some internal rejiggering of code too. Just trying to keep my faithful users in synch! New labelled chord bars- and as an example, Pelog and Madenda Hammered instruments. 1.0.14 06/27/2020 More fixes! The synth setup is now a whole screen, for instance! 1.0.13 11/26/2019 Fixes to horrible UI bugs! 1.0.12 10/29/2019 - A few little bugs fixed - updated AudioBus API - iOS13 and device accommodations, so the UI is laid out a little differently 1.0.11 10/22/2019 Newly included polyharps, chords, and synth timbres! Also some bugs fixed involving rendering strings. 1.0.10 06/19/2019 - "capo" transposition bugs fixed! - entry of pitches and intervals now sticks the value above the keyboard so you can see it! - updated Instructions - new "all off/all on" button for MIDI 192 channel selector - gridding with String Areas works now 1.0.9 05/14/2019 Restore ios9-11 compatibilty! Adds sustain chord button type. See docs! The Minimum automatic MIDI Note Off delay is now a lot shorter! it's now 0.01 sec vs 0.35 sec "Nearly Empty" now uses a "near" touch mode by default. Updates to Info pages. 1.0.8 04/23/2019 More MIDI Improvements, MIDI 192 support, and iPad Pro adjustments. And in panning: left is left, right is right! 1.0.7 03/27/2019 More Bug fixing! No more crash from lowering Polyphony while using MIDI Updated Audiobus Remote support. I bet you all use Audiobus Remote - it works well with PolyHarp! 1.0.6 02/07/2019 Fixed another sporadic note-off MIDI problem. 1.0.5 01/25/2019 I fixed the problem of MIDI prematurely offing some notes. 1.0.4 01/16/2019 New Tap mode "Near" lets you play a string by tapping near it. There are also bug fixes! 1.0.3 01/11/2019 A few fixes to the MIDI support, and more Info updates! 1.0.2 12/18/2018 A few bugs and typos fixed; revised instructions; a few new synthesizer presets. 1.0.1 12/13/2018 1.0.0 11/28/2018
Previous Versions
Here you can find the changelog of PolyHarp since it was posted on our website on 2023-07-10 19:11:07.
The latest version is 1.0.18 and it was updated on 2026-06-24 21:20:47. See below the changes in each version.
PolyHarp version 1.0.18
Updated At: 2026-06-03
Changes: Version History A number of fixes, improvements like being able to paste parameters to all other string areas, more robust onscreen rendering, strings can be offset by hertz as well as cents, some rudimentary MPE support. More to come, but this is somewhat exciting. 1.0.18 12/23/2024 Fixed some things that mostly annoyed me, having to do with using MIDI CC01 as a modulator destination, which was actually sending CC00. 1.0.17 11/22/2021 Fixed spurious crash when trying to edit a chord button! 1.0.16 05/26/2021 Bug fixes and things that annoyed me fixed. 1.0.15 05/13/2021 Bug fixes many of which I've forgotten! Some internal rejiggering of code too. Just trying to keep my faithful users in synch!
New labelled chord bars- and as an example, Pelog and Madenda Hammered instruments. 1.0.14 06/27/2020 More fixes! The synth setup is now a whole screen, for instance! 1.0.13 11/26/2019 Fixes to horrible UI bugs! 1.0.12 10/29/2019 - A few little bugs fixed
- updated AudioBus API
- iOS13 and device accommodations, so the UI is laid out a little differently 1.0.11 10/22/2019 Newly included polyharps, chords, and synth timbres!
Also some bugs fixed involving rendering strings. 1.0.10 06/19/2019 - "capo" transposition bugs fixed!
- entry of pitches and intervals now sticks the value above the keyboard so you can see it!
- updated Instructions
- new "all off/all on" button for MIDI 192 channel selector
- gridding with String Areas works now 1.0.9 05/14/2019 Restore ios9-11 compatibilty!
Adds sustain chord button type. See docs!
The Minimum automatic MIDI Note Off delay is now a lot shorter! it's now 0.01 sec vs 0.35 sec
"Nearly Empty" now uses a "near" touch mode by default.
Updates to Info pages. 1.0.8 04/23/2019 More MIDI Improvements, MIDI 192 support, and iPad Pro adjustments.
And in panning: left is left, right is right! 1.0.7 03/27/2019 More Bug fixing!
No more crash from lowering Polyphony while using MIDI
Updated Audiobus Remote support. I bet you all use Audiobus Remote - it works well with PolyHarp! 1.0.6 02/07/2019 Fixed another sporadic note-off MIDI problem. 1.0.5 01/25/2019 I fixed the problem of MIDI prematurely offing some notes. 1.0.4 01/16/2019 New Tap mode "Near" lets you play a string by tapping near it.
There are also bug fixes! 1.0.3 01/11/2019 A few fixes to the MIDI support, and more Info updates! 1.0.2 12/18/2018 A few bugs and typos fixed; revised instructions; a few new synthesizer presets. 1.0.1 12/13/2018 1.0.0 11/28/2018
PolyHarp version 1.0.18
Updated At: 2024-12-23
Changes: Dec 23, 2024
Version 1.0.18
A number of fixes, improvements like being able to paste parameters to all other string areas, more robust onscreen rendering, strings can be offset by hertz as well as cents, some rudimentary MPE support. More to come, but this is somewhat exciting.
PolyHarp version 1.0.18
Updated At: 2024-12-23
Changes: A number of fixes, improvements like being able to paste parameters to all other string areas, more robust onscreen rendering, strings can be offset by hertz as well as cents, some rudimentary MPE support. More to come, but this is somewhat exciting.
PolyHarp version 1.0.17
Updated At: 2021-11-22
Changes: Nov 22, 2021
Version 1.0.17
Fixed some things that mostly annoyed me, having to do with using MIDI CC01 as a modulator destination, which was actually sending CC00.
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