# bismark LeftHanded — Left-right Inverted Keyboard

> Inverted keyboard music synthesizer app with MIDI support. (iPhone/iPad app by bismark LLC.)

- Source: https://appshunter.io/ios/app/bismark-lefthanded/id601767831 (this page in markdown: same URL + `.md`)
- Developer: [bismark LLC](https://appshunter.io/developer/1213793300)
- Category: Music, Entertainment
- Price: $4.99
- Rating: 4.00/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 40 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2013-03-31
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/bismark-lefthanded/id601767831/reviews.md

## What is bismark LeftHanded?

There are various music apps for iOS.
But this app has a unique feature that they do not have.

Please see this app's keyboard in screenshots. Left and right are reversed!
It may be better suited to left-handed. Also, it might be a new discovery for right-handed people.
Please note that you cannot play normally. 

It includes the same synthesizer engine as bs-16i (single part only). It supports all standard MIDI messages, using pre-installed GeneralUser GS SoftSynth v1.44.sf2 (S. Christian Collins), you can play various instruments.

This application supports Core MIDI output, so your play can be sent to other apps, and external MIDI hardware using Core MIDI compatible Interfaces.
Moreover, Core MIDI input also is supported, but please notice that the note number is reversed!

## Key features

- Inverted left-right keyboard layout
- Synthesizer engine
- Supports standard MIDI messages
- GeneralUser GS SoftSynth included
- Core MIDI output
- Core MIDI input (reversed note numbers)

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/bismark-lefthanded/id601767831/reviews.md

### 5/5 — GREAT 👍

*2018-01-16*

At last a left handed keyboard!. It’s surprisingly easy to adjust to it after a lifetime of right handed keyboards . “PLEASE CAN YOU MAKE A VST SYNTH FOR MY COMPUTER? “ both me and my band mate are lefty’s so The is a market .

### 2/5 — No keyboard

*2013-05-12*

Will not sync with Irig keys

## Frequently asked questions about bismark LeftHanded

### What is the main feature of bismark LeftHanded?

The primary feature of bismark LeftHanded is its unique inverted keyboard layout where the left and right sides are reversed. This design is intended to offer a different playing experience, potentially benefiting left-handed musicians or providing a novel challenge for right-handed players.

### Can bismark LeftHanded be used with other music apps or hardware?

Yes, bismark LeftHanded supports Core MIDI output, allowing your musical performance to be sent to other compatible applications on your device. It also supports Core MIDI input, enabling it to receive MIDI data from external hardware, though note numbers will be reversed.

### What instruments can I play with bismark LeftHanded?

The app includes the same synthesizer engine as bs-16i and utilizes the pre-installed GeneralUser GS SoftSynth v1.44.sf2. This allows you to play a variety of instruments by supporting all standard MIDI messages.

### Is bismark LeftHanded suitable for beginners?

The app's description notes that you cannot play normally due to the inverted keyboard. While it offers a unique experience, beginners might find the reversed layout challenging to adapt to initially. It's more suited for those seeking an experimental or specialized input method.

### What devices does bismark LeftHanded support?

bismark LeftHanded is available for iPhone, iPad, and iPod touch devices. It is designed to run on Apple's iOS platform.

### How often is bismark LeftHanded updated?

The latest version of bismark LeftHanded is 4.7.1, which was last updated on May 4, 2024. This indicates that the app receives periodic updates from the developer.

### What is the price of bismark LeftHanded?

bismark LeftHanded is a paid application, priced at $4.99. There are no in-app purchases or subscriptions associated with this app.

### Does bismark LeftHanded have ads?

No, bismark LeftHanded does not contain advertisements. It is a paid application that offers an ad-free experience.

## Version history (last 5 releases)

### 4.7.1 — 2024-05-04

Fixed noise issue on older devices

### 4.7 — 2023-11-26

・Support latest OS versions
・Add option to reverse note number of note messages from CoreMIDI inputs (Settings > CoreMIDI)

### 4.6 — 2022-10-14

* Workaround for iOS / iPadOS 16 three-finger issue

### 4.5.3 — 2022-03-16

Fix the crash of version 4.5.2

### 4.5.2 — 2022-03-14

Support latest iOS / iPadOS versions

## Apps similar to bismark LeftHanded

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [One Man Band Live](https://appshunter.io/ios/app/one-man-band-live/id1372082635) | 3.6 (11) | $29.99 | Music |
| [MIDI Mapper for Nord Keyboards](https://appshunter.io/ios/app/midi-mapper-for-nord-keyboards/id1562498521) | 5.0 (3) | $3.99 | Music |
| [Cube Synth](https://appshunter.io/ios/app/cube-synth/id704213054) | 4.7 (16) | $1.99 | Music |
| [KORG iM1](https://appshunter.io/ios/app/korg-im1/id966030326) | 4.7 (880) | $29.99 | Music |
| [Performance Editor Essential-U](https://appshunter.io/ios/app/performance-editor-essential-u/id444196587) | 3.2 (5) | Free | Music |
| [Soundfont Pro: Synth Studio](https://appshunter.io/ios/app/soundfont-pro-synth-studio/id1631188357) | 4.4 (656) | Free | Music |

## More apps by bismark LLC

- [bismark bs-spectrum](https://appshunter.io/ios/app/bismark-bs-spectrum/id327802142)
- [bismark MagicBoard](https://appshunter.io/ios/app/bismark-magicboard/id376525955)
- [bismark bs-16i](https://appshunter.io/ios/app/bismark-bs-16i/id388149926)
- [bismark MagicBoard Mini](https://appshunter.io/ios/app/bismark-magicboard-mini/id388634980)
- [bismark DamperPedal - CC#64](https://appshunter.io/ios/app/bismark-damperpedal-cc64/id524122745)

All apps by bismark LLC: https://appshunter.io/developer/1213793300

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*