Model610 - Synth Controller 4+

Sequential Circuits Six-Trak

Bill Mitsakos

Designed for iPad

    • 4.6 • 10 Ratings
    • $14.99



Model610 is an indispensable tool for owners of the Sequential Circuits Six-Trak synthesizers.

- Hands on control of all synthesis parameters in an intuitive layout
- Special MONO and STACK modes for new sound and performance possibilities
- Built in patch librarian for easy patch naming and management
- Automatic patch backup to the cloud
- Easy configuration via dedicated design.

- A Sequential Circuits Six-Trak Synthesizer
- An iOS capable MIDI interface (or network MIDI solution)
- Any iPad running iOS 8.0 or later

What’s New

Version 1.2

Support for iPhone devices. BLE MIDI support fore wireless connection to hardware.

Ratings and Reviews

4.6 out of 5
10 Ratings

10 Ratings

cfurrow7 ,


If you've got a Sequential Circuits Six Trak then you should buy this. This app opens up a whole new way of tweaking parameters and creating patches on the Six Trak. I tried using a lemur template and there's no comparison... this app does so much more. The developer obviously put a lot of love into this app. Buy this app, you won't regret it.

MyElectronic offspring ,

Thank you🤘🏻

This app turned my tedious Sequential Circuits Six Trak to an awesome sound creation workstation. Now I can create new sounds quickly while having fun exploring through the app. I only wish for you to continue upgrading the program and make it even more awesome!

Laura Z 13 ,


Mono Mode is Amazing , Well thought out GUI , Easy to navigate right away ..Makes patch creation easy and fun , hearing sounds I’ve never heard before come out of my Six Trak Works perfect on older IPad mini iOS12.4.4 ...Crashes and Won’t open on IPad Pro iOS13.3

Developer Response ,

Hi Laura,
Please update Model610 to versions 1.1.1 which fixes the crash on iOS13.

App Privacy

The developer, Bill Mitsakos, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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