RDX - FM Manager - AUv3 is made and published by Rubens Felicio. AppBrain is an independent app data site and isn't affiliated with Rubens Felicio. The app name, icon, screenshots and description belong to Rubens Felicio and are shown as published on the App Store.

About RDX - FM Manager - AUv3

RDX - FM Manager - AUv3 is a music app developed by Rubens Felicio.

User Ratings

RDX - FM Manager - AUv3 is rated 5.00 out of 5 stars. The rating is based on one rating ratings.

App Information

RDX - FM Manager - AUv3 costs $3.99. The app size is 1.04 MB. The latest version available is 1.8.0. The last update was on August 14, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since June 2026.

Description by Rubens Felicio (from the App Store)

RDX turns your iPhone, iPad, Mac into a complete librarian for classic 6-operator FM (.syx) cartridges — with real preview.

Open .syx banks (32 or 64 voices) and HEAR every patch instantly, played by a faithful 6-operator FM engine, right on your device. No cloud, no account, no subscription.
• Real FM preview — play each voice on its own or stack several in a layer
• Velocity-sensitive keyboard + sustain pedal (CC64) + the authentic DX7 velocity curve
• Organize your collection: rename, drag to reorder, group, delete and merge voices
• Export fresh .syx cartridges for your DX7 or other apps
• Original "RSJB Signature" factory bank included — electric pianos, pads, strings and organs
• Multiplatform: iPhone, iPad, Mac — plus an AUv3 plugin to play inside AUM, GarageBand, Logic and more
• One-time purchase. Everything stays on your device.

Built for DX7 owners, FM patch collectors, and anyone who wants to explore FM synthesis without the hardware.

RDX is an independent product, not affiliated with Yamaha.

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More data about RDX - FM Manager - AUv3

Price	$3.99
Rating	5.00 based on a single rating
Ranking	Not ranked
Version	1.8.0
App size	1.04 MB
Suitable for	Everyone

Screenshots

RDX - FM Manager - AUv3 Screenshot 1 of 3

RDX - FM Manager - AUv3 Screenshot 2 of 3

RDX - FM Manager - AUv3 Screenshot 3 of 3

Screenshots by Rubens Felicio, from the the App Store listing

Official page on the App Store

Alternatives to RDX - FM Manager - AUv3

Changelog of RDX - FM Manager - AUv3

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Developer information for Rubens Felicio

Rubens Felicio

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RDX - FM Manager - AUv3