# JAX MIDI Jinny PRO — Instantly Make New Music Ideas

> Generates unlimited unique MIDI music arrangement ideas for music production. (iPhone/iPad app by Jens Guell.)

- Source: https://appshunter.io/ios/app/jax-midi-jinny-pro/id1664335771 (this page in markdown: same URL + `.md`)
- Developer: [Jens Guell](https://appshunter.io/developer/1195004865)
- Category: Music, Productivity, Music
- Price: $9.99
- Rating: 3.71/5 from 7 App Store ratings
- Age rating: 4+
- Requires: iOS 14.0 · 42 MB
- Languages: English
- Released: 2023-01-15
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/jax-midi-jinny-pro/id1664335771/reviews.md

## What is JAX MIDI Jinny PRO?

JAX MIDI Jinny PRO - with its cute mascot allows you to instantly create an unlimited number of short unique music arrangement ideas, which can be used as a starting point for your upcoming music productions. This document browser based app will generate standard MIDI files (type 1) and seamlessly integrate into the operating system for managing the created and other MIDI files. Generate, copy, move the idea files for further editing to your favourite sequencing apps and develop new exciting music compositions out of it.

Notes:
After release, a limited 14 days intro price of appreox. 50% is active, for all early adopters.

Try before Buy. There is a public beta (via Apple TestFlight) for this app available for all platforms at:
https://testflight.apple.com/join/0uhq1Tu8
Please try before you buy. We do not want you have left unsatisfied with any of our apps.


JAX MIDI Jinny PRO is our first tool of a new document based MIDI app collection.
JAX MIDI Jinny PRO lets you:

- instantly generate an unlimited number of new unique arrangement ideas in the form of standard MIDI files
- prelisten the generated ideas and generate alternatives, if it does not fit your taste
- prepare instant content basement for all 3rd party MIDI file supporting editors and sequencer apps
- manage and listen to your collected MIDI documents with its native OS browser integration
- load, display and play available shared MIDI files, that are supported by the operating system
- manage your MIDI files with standard file operations, like copy, paste, moving, zipping, deleting and so on ...
- assigning labels, creating folders, renaming available MIDI files ...
- using native drag and drop and sharing file operations, even into other apps, which actively support drag and drop of files
- manage cloud and external file storage with MIDI collections in a central place
- build up a library of multi channel (timbre) MIDI patterns for your music production

JAX MIDI Jinny PRO includes a GM (General MIDI) kompatible synthesizer and sequencer, which supports GM, GS (Roland Corporation Standard) and XG (Yamaha Corporation Standard) sound sets for listening to standard MIDI files.

There is a complete manual at: https://midi.digitster.com/JAX/JAX%20MIDI%20Jinny%20PRO.pdf
And a teaser and demonstration videos at: https://youtu.be/bZYIQWcQYd0

Note:

This build is a truly 'universal' release, meaning, unit is available for:

- MacOS (Catalyst)
- MacOS (Silicon)
- iOS (iPhone)
- iPadOS (iPad)

Please note, that the MacOS versions sometimes may be distributed/sold separately (especially for older devices), as the AppStore does not allow to bundle none-silicon apps below macOS 11.

## Key features

- Generate unlimited unique MIDI arrangement ideas
- Prelisten and generate alternative ideas
- Integrates with sequencing apps
- Manage MIDI files with OS browser
- Includes GM compatible synthesizer and sequencer
- Supports GM, GS, and XG sound sets


## Frequently asked questions about JAX MIDI Jinny PRO

### What is JAX MIDI Jinny PRO?

JAX MIDI Jinny PRO is a document-based application designed to instantly create an unlimited number of unique music arrangement ideas in the form of standard MIDI files. These can serve as starting points for your music productions.

### How does JAX MIDI Jinny PRO help with music creation?

It allows you to generate, prelisten, and manage MIDI ideas. You can then easily transfer these ideas to your preferred sequencing applications for further editing and development into full compositions.

### What file formats does JAX MIDI Jinny PRO create?

The app generates standard MIDI files (type 1). It also supports loading, displaying, and playing shared MIDI files that are compatible with the operating system.

### What sound sets are supported by JAX MIDI Jinny PRO?

JAX MIDI Jinny PRO includes a GM (General MIDI) compatible synthesizer and sequencer that supports GM, GS (Roland Corporation Standard), and XG (Yamaha Corporation Standard) sound sets for listening to MIDI files.

### What platforms is JAX MIDI Jinny PRO available on?

This is a universal release, available for MacOS (Catalyst and Silicon), iOS (iPhone), and iPadOS (iPad).

### How much does JAX MIDI Jinny PRO cost?

The app is priced at $9.99. There was a limited 14-day intro price offering approximately 50% off for early adopters.

### Can I try JAX MIDI Jinny PRO before buying?

Yes, there is a public beta available via Apple TestFlight for all platforms. The developers encourage users to try it before purchasing to ensure satisfaction.

### Does JAX MIDI Jinny PRO have ads?

No, JAX MIDI Jinny PRO is ad-free. The application does not contain advertisements.

## Version history (last 1 release)

### 1.1 — 2023-01-15

No release notes.

## Apps similar to JAX MIDI Jinny PRO

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [PixiTracker](https://appshunter.io/ios/app/pixitracker/id480082201) | 4.9 (142) | $2.99 | Music |
| [Xequence 2](https://appshunter.io/ios/app/xequence-2/id1464669442) | 4.5 (62) | $19.99 | Music |

## More apps by Jens Guell

- [GM MIDI Player](https://appshunter.io/ios/app/gm-midi-player/id1445780869)
- [MIDI SWEET : Clock Sync (AU)](https://appshunter.io/ios/app/midi-sweet-clock-sync-au/id1454284852)
- [JAF Model One](https://appshunter.io/ios/app/jaf-model-one/id1472652593)
- [JAF Collection](https://appshunter.io/ios/app/jaf-collection/id1472896422)
- [JAX Stereo Tool (AU)](https://appshunter.io/ios/app/jax-stereo-tool-au/id1473390302)
- [JAX !Make Louder (Audio Unit)](https://appshunter.io/ios/app/jax-make-louder-audio-unit/id1474614677)

All apps by Jens Guell: https://appshunter.io/developer/1195004865

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*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.*