blkpine // design

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Sequencer // Standalone

Evaluate // license.

Try all tools free for 30 days, or buy a personal license.

30-day evaluation

No card required

Try SubKorr.

16 tracks · 256 audio assets per project · all engines + VST3

Fully unlocked for 30 days from activation, then read-only.

Start evaluation

Personal license // Two computers

Keep creating.

SubKorr is an independent project under active development.

A personal license needs an internet connection for activation and periodic validation, with up to 14 days offline. Refunds are available within 14 days of purchase, provided the license key hasn’t been used.

Adding a license later +

Already evaluating? Buy a personal license, then enter its key in Options About. No reinstall needed. Your projects stay where they are.

ASIO compatible — Steinberg

ASIO® and WASAPI support
ASIO is a trademark of Steinberg Media Technologies GmbH, registered in Europe and other countries.

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Your personal license.

Polar uses this email for your installer and license key.

Polar shows any tax and the license agreement. You confirm payment there.

Before you install.

I design and build these tools for audio/visual experimentation. They are regularly changed/updated, but to be honest, I haven't purchased code signing, nor do I plan to any time soon (there are various reasons for this, but the main one is that I have not 100% settled on the finished designs). That's why Windows may show you the typical jump scares about an unknown publisher.

Use the download channels on blkpine.dev only. The release checks verify cryptographic signatures and SHA-256 file hashes to confirm the release’s origin and integrity. These checks are separate from Windows publisher signing.