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Syntien 2 App Icon

Syntien 2

Customizable Control Surface
Download on the App StoreGet it on Google Play

Compatible with iOS 13.6 and up

Compatible with Android 5.0 Lollipop and up


Turn your iOS or Android device into a powerful, customizable control surface for music, video, digital art, and more!

Syntien 2 recognizes a variety of input sources, including touch, movement, and sound, and converts them into data for your creative work. Syntien 2 can connect to other devices and software via MIDI, OSC, and BLE. It comes with all the standard controls you'd expect -- buttons, labels, sliders, knobs, etc. -- plus a unique set of tools that go far beyond the basics.

  • Use an adjustable, resizable Keyboard control to send MIDI note and velocity data, in addition to pitch bend, expression, and more.
  • The Touch Pad control takes full advantage of your device's multi-touch capabilities. Track five touches independently on a phone, and even more on a table. Transmit data including position, speed, and number of touches. Use an Apple Pencil or S Pen to send highly-expressive data with pressure and tilt sensitivity.
  • The IMU control uses data from your device's accelerometer, gyroscope, and magnetometer to transmit your device's acceleration, rotation, or nearby magnetic field strength. Tie the device rotation to a smooth, continuous sound, or trigger interesting gestures with changes in acceleration.
  • Use the Level Meter to track audio input levels, and use the Pitch Detector control to detect pitch.
  • Transform and scale outputs directly in Syntien 2 without any complex scripting!
  • Connect controls to each other using Macros. Use buttons to toggle a Keyboard's sustain pedal, set up a Slider to modulate the frequency of an LFO, and more!
  • Modify controls mid-performance by sending data from your computer to Syntien. Incoming OSC messages are displayed on the screen and color-coded, so you'll know exactly what messages Syntien is receiving and whether or not they're being interpreted.

Create your own interfaces and modify the behavior of controls in-app, on any iOS or Android phone or tablet, without the need for a separate desktop editor! You can use one of the built-in presets, duplicate one for a solid starting point, or build your own from scratch. Place and resize controls exactly how you want them using intuitive drag-and-drop gestures.

Syntien 2 is free to download and use. No subscriptions, no in-app purchases — just powerful creative tools at your fingertips.

Tons of new features!

Everything you need to create highly expressive performance interfaces
3 Output Protocols

Connect to any device or software with support for MIDI, OSC, and Bluetooth Low Energy (BLE).

20 Unique Controls

From simple buttons and sliders to advanced keyboards, touch pads, and IMU sensors. Build interfaces tailored to your creative vision.

Multiple Input Sources

Harness touch, movement, and sound. Use multi-touch gestures, device motion sensors, and audio analysis to create truly expressive controls.

No-Code Transformations

Scale and transform your outputs directly in the app without any scripting. Use Macros to connect controls and create dynamic interactions.

Ready to Get Started?

Check out our comprehensive documentation to learn more about Syntien 2.

View Documentation