Comparison

Cotracks vs SP6 Sound Editor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cotracks

Create music collaboratively on a single iPad with a multitrack sequencer. Record and play back your own parts in sync with others, building complex tracks with various instruments and effects. Designed to maintain creative flow for solo or group sessions.

Highlights
  • Multitrack sequencer with up to 12 instrument tracks
  • Beat synchronized playback and recording
  • Dedicated interface modes for 1, 2, or 4 users
  • Polyphonic and monophonic synthesizers with quality presets
  • Sample player with professional library
  • Stereo delay, phaser, and equalizer effects
  • Audiobus support and audio export options
Read full description

"Cotracks is a brilliant concept and, on the whole, has been beautifully realised by Futucraft." - MusicAppBlog.com "Cotracks is a great platform for creation that has hit upon a clever collaborative setup." - Apps Magazine "A new approach to collaboration" - PalmSounds.net Cotracks is a collaborative music studio for teamwork on a single iPad. With Cotracks you can create multiple layers of loops and phrases using multiple instruments. Cotracks is designed to maintain your creative flow and is always ready to capture your ideas, regardless whether you are flying solo or collaborating with others. It's like playing with a band, but this time you can record and play back your own parts, in perfect sync with others, and create the constituents for a great track at the same time. With Cotracks the whole is greater than the sum of its parts. FEATURES MULTITRACK SEQUENCER • up to 12 instrument tracks • beat synchronized playback and recording INTERFACE • comfortable access for multiple users • dedicated interface modes for single user, two users and four users • switch between interface modes with a single tap • independent playback control constantly available for each instrument • repeater lets you play and record complex beat synced rhythmic textures • XY-modulation control EDITING • nondestructive quantize, transpose and swing • change the playback scale of recorded sequences • drag and drop copying of sequences between instruments INSTRUMENTS • polyphonic synthesizer with dozens of high quality instrument presets • monophonic bass/lead synthesizer with dozens of high quality instrument presets • sample player with a library of professional quality samples from Inspire Audio • programmable XY-modulation • band-limited oscillators to ensure professional grade sound quality FX • stereo delay • stereo phaser • 2 equalizer units • dedicated units for each track SHARING • Audiobus support • export each instrument to separate audio clip • export all in one audio mixdown clip SUPPORT • on-screen help and tips • online support integrated in app • video tutorials

About

SP6 Sound Editor

Read full description

This is Kurzweil SP6 Sound Editor for iPad. Some of SP6 Sound Editor's features now include: •Program Channel Mixer. •Editing of Program Common parameters including Insert and Aux FX selectors. •Basic Program Layer manipulation. Copy and paste of Layers from other SP6 Programs. •MIDI Continuous Controller tools and Virtual Parameter Table display. •Real time editing of all SP6 Multi Mode parameters. •Import of Multi Zones from other SP6 Multi. •Transmitting and receiving of Programs, Multi, FX Chains and other objects data. •On-screen keyboard. •Direct USB/MIDI connection with Apple iPad Camera Adapter. •Wireless connection possible using MIDI network. This SP6 Sound Editor is an app for iPad only. Kurzweil and SP6 are trademarks of Young Chang Co., Ltd. Soundtower is a trademark of Soundtower Inc.

Verdict

The call

The clearest difference is price: SP6 Sound Editor at Free against Cotracks's $29.99. SP6 Sound Editor also leads on iOS requirement (8.0 vs 12.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SP6 Sound Editor is free to download; Cotracks costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cotracks ships an update every 6 months, SP6 Sound Editor every 5 months. The most recent releases landed on June 5, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 8 level
Cotracks versus SP6 Sound Editor: the parameters behind the verdict, then further details
ParameterCotracksSP6 Sound Editor
Price$29.99Free — better
Rating4.7 (3 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings3 — better—
Update frequencyEvery 6 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPad
Requires iOS12.08.0 — better
Further details — not scored
Size45 MB35 MB
Age rating4+4+
DeveloperFutucraft OySoundTower Inc.

In-app purchases

None

Cotracks

No in-app purchases

None

SP6 Sound Editor

No in-app purchases

Questions

Is Cotracks free?
Cotracks costs $29.99, with no in-app purchases.
Is SP6 Sound Editor free?
SP6 Sound Editor is free to download, with no in-app purchases.
Do Cotracks or SP6 Sound Editor have ads?
Neither Cotracks nor SP6 Sound Editor shows ads.
Which is updated more often, Cotracks or SP6 Sound Editor?
Cotracks ships an update every 6 months, and SP6 Sound Editor every 5 months. Most recently, Cotracks was updated on June 5, 2026 and SP6 Sound Editor on September 28, 2026.

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