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KQ Tixie

KQ Tixie

4-OP FM Synthesizer

6 ratings
7 reviews
🎵 Music
$8.99

Details

  • Released
  • Updated
  • June 18, 2026
  • September 16, 2026

Features

Developer

Ryouta Kira
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KQ Tixie screenshot #1 for iPhone
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About

This app is a 4-operator FM synthesizer for iOS devices, recreating the iconic sounds of 1980s hardware. It offers a modern interface with MPE support and AUv3 compatibility, allowing for deep sound editing and layering up to eight sounds.

✓4-operator FM synthesis recreation
✓MPE and AUv3 support
✓Import SysEx data
✓Thousands of patches included
✓Layer up to 8 sounds
✓Real-time performance controls
✓Built-in effects
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What's New in KQ Tixie

1.3.3

September 16, 2026

- Fixed a crash issue.

User reviews

Most RecentHighest RatedLowest Rated

81Z has arrived

I’ve been waiting for an emu of one of my favorite synths, a 4-op FM rack mount from 1986. And this is it! It also has a lovely UI that makes programming much easier than the original and a lot of additional features and improvements. Thank you!
john signaljohn signal

Awesome

Sounds great and I can add patches to my dx 11.
Loads of presets, 8 layers, easy to edit simple layout. Perfect FM synth
HarrisonfnordHarrisonfnord

Fabuleux

Une interface claire (même sur un iPhone 👍), un son excellent, une quantité incroyable de presets, le tout pour un prix vraiment raisonnable, que dire de plus ?
GallarnGallarn

Very helpful and patient developer

The developer was very nice in their response and tried to offer some help. Therefore I’m upgrading my rating to 5 stars. I like the sounds but the navigation and files management could be better.
SynthUser123SynthUser123

Response from developer

Thank you for reviewing. I am sorry for confusion. Simply, just "Save" to save patches, tap on the patch name to load a patch. In the patch manager screen, tap on "Edit" to sort / delete patches. Currently, KQ Tixie only exports files in its original format. So you cannot export patches in .syx format. In the past version 1.1, the selected folder was not highlighted. So the screen was confusing. I also updated the web document. Could you check it out?

Where’s the thousands of presets

Disappointed that there’s not thousands of presets as advertised, I will give a better review when this is true.
Daley38Daley38

Response from developer

Tap on the patch name on a layer or on the edit screen, then select Preset > Classic Corner > FB-01/TX81Z. Thousands of presets are there. See YouTube video. https://m.youtube.com/watch?v=eKw1TjZa-zk

See 2 more reviews

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FAQ

What kind of sounds can I create with KQ Tixie?

KQ Tixie excels at recreating the distinctive character of 1980s FM synthesis. This includes shimmering bells, electric pianos, basses, leads, and many other signature sounds that defined the era.

Can I import sounds from hardware synthesizers into KQ Tixie?

Yes, KQ Tixie allows you to import SysEx data from supported hardware synthesizers. This enables you to reproduce their sounds accurately within the app.

How many sounds can I layer at once in KQ Tixie?

KQ Tixie allows you to layer up to eight sounds simultaneously. This feature provides extensive possibilities for creating complex and rich sonic textures.

Does KQ Tixie support MPE?

Yes, KQ Tixie fully supports MPE (MIDI Polyphonic Expression). This includes support for pitch-bend, aftertouch, and MIDI CC#74, allowing for more expressive control over your sounds.

Is KQ Tixie compatible with other music software?

KQ Tixie supports AUv3 Instrument functionality, making it compatible with Digital Audio Workstations (DAWs) on iOS that support this standard. It also offers iCloud support for patch management.

What is the price of KQ Tixie?

KQ Tixie is available for a one-time purchase of $5.99. This grants you full access to all its features without any recurring subscription fees.

How often is KQ Tixie updated?

The latest version, 1.1.3, was released on June 25, 2026. While specific update frequency isn't detailed, the app has received updates, indicating ongoing development.

What devices can I use KQ Tixie on?

KQ Tixie is compatible with iPhone, iPad, and iPod touch devices. It is designed to run on Apple's mobile operating system.