Qithesizer 4+

Advanced hybrid synthesizer

Robkoo Information & Technologies Co., Ltd.

Designed for iPad

    • 5.0 • 5 Ratings
    • $12.99



Meet Qithesizer, a powerful multi-engine hybrid software synthesizer.

Designed with wind controller in mind, it combines virtual analog, wavetable, and physical modeling in one.

∙ Multiple sound engines: basic waveforms, hundreds of digital waveforms, multiple physical models
∙ 11 modulation sources, 27 modulation destinations
∙ Full midi mapping
∙ 16-step sequencer with powerful pattern editor, save patterns by preset
∙ Waveform and dynamic visualizations
∙ Full-size, on-screen keyboard

Our site: www.robkoo.com
Facebook Page: @RobkooMusic
Twitter: @Robkoo_Music
Feedback: cuimingwei@robkoo.com

What’s New

Version 1.9

∙ Improved the algorithm for cut off modulation.
∙ Improved aftertouch messages for AUv3 plug-in
∙ Bug fixes and performance improvements.

Ratings and Reviews

5.0 out of 5
5 Ratings

5 Ratings

hyperfocusmusic ,

Love this synth

Love this for sound design. It’s unique in comparison to many of my other synths. So happy it became auv3 and also amazing that it is universal . I hope more presets will be added . Would love to hear more of the synths capabilities.

BenPitt31177 ,


One of my favorite apps!!!

Lxxz.c ,



Developer Response ,


App Privacy

The developer, Robkoo Information & Technologies Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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