# SysX Buddy — A Simple SysEx Utility

> Mobile utility for sending, receiving, and managing MIDI SysEx messages. (iPhone/iPad app by Ryouta Kira.)

- Source: https://appshunter.io/ios/app/sysx-buddy/id6748940731 (this page in markdown: same URL + `.md`)
- Developer: [Ryouta Kira](https://appshunter.io/developer/862984358)
- Category: Utilities, Music
- Price: $4.99
- Rating: 5.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: American English, Japanese
- Released: 2025-07-22
- Data updated: 2026-09-05
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/sysx-buddy/id6748940731/reviews.md

## What is SysX Buddy?

Turn your iPhone or iPad into a dedicated SysEx manager.
A reliable companion for your vintage MIDI gear.

SysX Buddy is a straightforward and powerful app for sending, receiving, editing, and managing MIDI System Exclusive (SysEx) messages.

SysEx messages were widely used in the 1980s and 1990s by classic synthesizers and sound modules.
SysX Buddy helps bridge the gap between these vintage instruments and your modern iPhone or iPad.

Key Features

- Send and receive MIDI SysEx messages
- Simple file manager with folder creation
- View SysEx data in a hex viewer
- Create and edit SysEx files in hex format
- Send a dump request message when recording
- Support for external MIDI devices (USB MIDI)
- Support for BLE-MIDI (Bluetooth Low Energy)
- Save files anywhere on your device --- with fully customizable folder locations, including iCloud Drive.

Note that:
- There might be some communication issues on iOS/iPadOS 14.
- The application and description contain AI-generated contents.
- The data in the screenshot are not included by the application.

## Key features

- Send and receive MIDI SysEx messages
- File manager with folder creation
- Hex viewer for SysEx data
- Create and edit SysEx files
- Support for USB MIDI devices
- Support for BLE-MIDI
- iCloud Drive integration

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sysx-buddy/id6748940731/reviews.md

### 5/5 — funktioniert!

*2026-02-01*

habe damit gerade meine akai mpd32 retten können, die beim überspielen der firmware (syx) vom mac aus immer hängen geblieben ist 😅 danke!

## Frequently asked questions about SysX Buddy

### What is SysX Buddy used for?

SysX Buddy is a utility app designed to manage MIDI System Exclusive (SysEx) messages. It allows users to send, receive, edit, and organize SysEx data, primarily for use with vintage synthesizers and sound modules.

### How much does SysX Buddy cost?

SysX Buddy is a paid application, priced at $4.99. This one-time purchase grants access to all its features for managing SysEx messages.

### Does SysX Buddy have ads?

No, SysX Buddy does not contain advertisements. As a paid application, it offers an ad-free experience for managing your MIDI SysEx data.

### What devices is SysX Buddy compatible with?

SysX Buddy is compatible with iPhone, iPad, and iPod touch devices. It is designed to function across the iOS and iPadOS ecosystem.

### Can SysX Buddy connect to external MIDI devices?

Yes, SysX Buddy supports external MIDI devices through USB MIDI connections. It also offers support for BLE-MIDI (Bluetooth Low Energy) for wireless connectivity.

### How often is SysX Buddy updated?

The latest version of SysX Buddy is 1.0.4, last updated on May 25, 2026. While specific update frequency isn't detailed, this indicates ongoing development and support.

### Are there any known issues with SysX Buddy on recent iOS versions?

The developer notes that there might be some communication issues on iOS/iPadOS 14. Users on other versions should generally expect stable performance.

### Can I store my SysEx files in cloud storage with SysX Buddy?

Yes, SysX Buddy allows you to save files anywhere on your device, including fully customizable folder locations. This includes integration with iCloud Drive for convenient cloud storage and syncing.

## Version history (last 5 releases)

### 1.0.4 — 2026-05-25

The app prevents your device from going to sleep while recording or sending.

### 1.0.3 — 2026-05-14

Fixed an issue that prevented sliders from changing.
The minimum transfer speed has decreased to 50 Bytes/s.

### 1.0.2 — 2025-12-08

Fixed some issues with MIDI input.
Other fixes.

### 1.0.1 — 2025-10-23

I've adjusted the appearance when text size is changed in iPhone/iPad settings.

### 1.0 — 2025-07-23

No release notes.

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## More apps by Ryouta Kira

- [KQ MiniSynth Legacy](https://appshunter.io/ios/app/kq-minisynth-legacy/id1070850573)
- [KQ Dixie Legacy](https://appshunter.io/ios/app/kq-dixie-legacy/id1330269027)
- [MIDI Recorder with E.Piano](https://appshunter.io/ios/app/midi-recorder-with-epiano/id1448577506)
- [KQ Unotone Legacy](https://appshunter.io/ios/app/kq-unotone-legacy/id1478535391)
- [Piano Modoki](https://appshunter.io/ios/app/piano-modoki/id1509387368)
- [KQ Sampei Legacy](https://appshunter.io/ios/app/kq-sampei-legacy/id1626784865)

All apps by Ryouta Kira: https://appshunter.io/developer/862984358

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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 2026-09-05.*