RX-79 is made and published by sung ju KIM. AppBrain is an independent app data site and isn't affiliated with sung ju KIM. The app name, icon, screenshots and description belong to sung ju KIM and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- October 24, 2026
- Size
- 25.5 MB
User feedback
Ratings and reviews on the App StoreComments on RX-79 for iOS
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Store listing
By sung ju KIM, from the App StoreScreenshots by sung ju KIM, from the the App Store listing
Description by sung ju KIM Written by the developer, not by AppBrain. Click to read.
Play the wind synth you know with a whole new set of sounds.
Warm woodwind tones for a soft ballad, bright synth leads for a bold solo.
RX-79 is a breath synthesizer that turns your wind controller and iPhone or iPad into a full sound module. Saxophonist SJsax shaped every sound and every response by actually playing it.
[Find the right sound for every song]
41 built-in sounds. 14 acoustic sounds including soprano, alto and baritone sax, clarinet, oboe, flute, trumpet, euphonium and harmonica, and 27 electric sounds including brass, leads and basses. Play the same melody in many different moods.
Tap the preview button in the sound list to hear a sound even without a controller.
[Fit it to your breath]
Adjust breath sensitivity, response curve, attack and decay, and set breath noise, tonguing and note-to-note connection to match your playing style.
[Make it your own]
Shape each sound with brightness, resonance, drive, vibrato, delay and reverb. Save the settings you like to the USER list and give them names. Saved sounds stay on this device.
[SJ PACK: 10 signature sounds, sold separately]
Extra sounds that carry SJsax's playing feel. Before buying, you can play each sound yourself for 30 seconds.
Note: SJ PACK is an in-app purchase sold separately from the app (one-time purchase).
[Connection]
Connect a USB MIDI wind controller. RX-79 responds to breath (CC2, CC11, aftertouch), pitch bend and vibrato (CC1).
Depending on the ports and power needs of your controller and iPhone or iPad, you may need a separate cable or adapter, such as a USB camera adapter.
Sound plays even with the silent switch on, and you can play along with backing tracks from other apps.
No internet connection required. No personal data is collected.
Connection and support
https://sjsax.com/rx79/
Warm woodwind tones for a soft ballad, bright synth leads for a bold solo.
RX-79 is a breath synthesizer that turns your wind controller and iPhone or iPad into a full sound module. Saxophonist SJsax shaped every sound and every response by actually playing it.
[Find the right sound for every song]
41 built-in sounds. 14 acoustic sounds including soprano, alto and baritone sax, clarinet, oboe, flute, trumpet, euphonium and harmonica, and 27 electric sounds including brass, leads and basses. Play the same melody in many different moods.
Tap the preview button in the sound list to hear a sound even without a controller.
[Fit it to your breath]
Adjust breath sensitivity, response curve, attack and decay, and set breath noise, tonguing and note-to-note connection to match your playing style.
[Make it your own]
Shape each sound with brightness, resonance, drive, vibrato, delay and reverb. Save the settings you like to the USER list and give them names. Saved sounds stay on this device.
[SJ PACK: 10 signature sounds, sold separately]
Extra sounds that carry SJsax's playing feel. Before buying, you can play each sound yourself for 30 seconds.
Note: SJ PACK is an in-app purchase sold separately from the app (one-time purchase).
[Connection]
Connect a USB MIDI wind controller. RX-79 responds to breath (CC2, CC11, aftertouch), pitch bend and vibrato (CC1).
Depending on the ports and power needs of your controller and iPhone or iPad, you may need a separate cable or adapter, such as a USB camera adapter.
Sound plays even with the silent switch on, and you can play along with backing tracks from other apps.
No internet connection required. No personal data is collected.
Connection and support
https://sjsax.com/rx79/
Safety and technology
Found in the app by AppBrain- Price
- $9.99
- App size
- 25.5 MB
- Content rating
- Everyone
Technologies used by RX-79
Releases
Updates seen on the App Store- Version
- 1.0.1
- Launched
- October 2026
No changelog data
Alternatives
Similar apps and more from sung ju KIMMore from sung ju KIM
Rankings
App Store top chartsApp Store Rankings for RX-79
This app is not ranked
About the app and developer
About RX-79
RX-79 is a music app developed by sung ju KIM.
What is the rating of RX-79?
RX-79 has no ratings yet.
Is RX-79 free?
RX-79 costs $9.99. The app size is 25.46 MB. The latest version available is 1.0.1. The last update was on October 24, 2026.
What are the requirements for RX-79?
The app has a content rating of Everyone. The app has been available on the App Store since October 2026.
Developer information for sung ju KIM
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