# Mellotron Updater vs SysX Buddy

The clearest difference is price: Mellotron Updater at Free against SysX Buddy's $4.99. Mellotron Updater also leads on iOS requirement (12.0 vs 15.0). SysX Buddy's advantage is rating (5.0 vs 3.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Mellotron Updater is free to download; SysX Buddy costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SysX Buddy holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Mellotron Updater ships an update every 2 months, SysX Buddy every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Mellotron Updater | SysX Buddy |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/mellotron-updater/id1507995104/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sysx-buddy/id6748940731/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 34 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Markus Resch](https://appshunter.io/developer/648885272) | [Ryouta Kira](https://appshunter.io/developer/862984358) |

## What reviewers say

### Mellotron Updater

[App page](https://appshunter.io/ios/app/mellotron-updater/id1507995104)

Update the operating system of your Rev 2 Micro Mellotron using Bluetooth. This utility specifically targets firmware updates and does not alter the device's sounds. Ensure your device is compatible and follow the in-app instructions for a smooth update process.

**Highlights:** Bluetooth firmware updates, Rev 2 Micro Mellotron support, Firmware status indicator (green/red text), Restart required for update, In-app update instructions

**Features:** macOS Compatibility

**In-app purchases:** none


### SysX Buddy

[App page](https://appshunter.io/ios/app/sysx-buddy/id6748940731)

Manage MIDI System Exclusive messages on your iPhone or iPad. This utility allows you to send, receive, edit, and organize SysEx data for vintage synthesizers and sound modules. It supports external MIDI devices and BLE-MIDI, bridging classic instruments with modern mobile technology.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mellotron Updater free?

Mellotron Updater is free to download, with no in-app purchases.

### Is SysX Buddy free?

SysX Buddy costs $4.99, with no in-app purchases.

### Which has better reviews, Mellotron Updater or SysX Buddy?

SysX Buddy is rated higher. Mellotron Updater averages 3.0 out of 5 from 3 ratings, while SysX Buddy averages 5.0 from 3 ratings.

### Do Mellotron Updater or SysX Buddy have ads?

Neither Mellotron Updater nor SysX Buddy shows ads.

### Which is updated more often, Mellotron Updater or SysX Buddy?

Mellotron Updater ships an update every 2 months, and SysX Buddy every 3 months. Most recently, Mellotron Updater was updated on November 3, 2026 and SysX Buddy on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*