Observed arrival · 2026-08-30

Underscore, a Mac Groovebox That Refuses the Cloud

underscore.website Observed source

Editorial interest 78/100 Selection signal · not a rating of the site

A standalone macOS app combining a drum machine, sampler, and step sequencer in one native groovebox.

Landing page captured for the 2026-08-30 issue.

Field notes

The product combines drum-machine pads, sample playback, and step sequencing in a native macOS application, with MIDI input for external controllers. Its stated limits are concrete: 16 tracks and 64-step patterns, plus WAV import/export, sample chopping, filters, LFOs, delay, and reverb. The homepage says it requires macOS 12 Monterey or later and is coming to the Mac App Store, but does not show a price or download link.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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