Soundmondo 4+

"Soundmondo is a social sharing network for Yamaha synthesizer* sounds. You can save and share the sound of Yamaha synthesizers with music creators all over the world.
The Soundmondo iOS app gives you direct access to over 50,000 Yamaha synthesizer sounds.

Set Lists organize your Sounds into groups whether you're getting ready for a gig or categorizing your Sound library. Users of reface series, CP88/73 and YC61 can utilize built-in audition function to playback preset phrases on your connected synthesizers and keyboards, and also share sounds with friends using the built-in custom QR code generator/scanner.

* Compatible models: reface CP/YC/DX/CS, Montage 8/7/6, MODX 8/7/6, CP88/73, and YC61

CP/YC/DX/CS, CP88/73 and YC61 require one of following items for connection to an iOS device.
Lightning to USB Camera Adaptor
Lightning to USB 3 Camera Adaptor
USB-C Digital AV Multiport Adaptor
USB-C VGA Multiport Adaptor
Yamaha Wireless MIDI Adaptor 「MD-BT01」/「UD-BT01」

MONTAGE 8/7/6 and MODX 8/7/6 require one of following items for connection to an iOS device.
Lightning to USB Camera Adaptor
Lightning to USB 3 Camera Adaptor
USB-C Digital AV Multiport Adaptor
USB-C VGA Multiport Adaptor