Everything in the booth

Screenshots, waveforms, the ⋯ menu, and what's new in Ink Weasel 2.1 — the control app for The Scepter and Electric Shark audio machines.

The amp panel on your iPhone

Built for the booth. Refined for 2026.

New

⋯ More menu

Settings, Looks, Guides, and Machine Tuner behind one tap — no clutter on the main panel.

New

Coil Machine Tuner

Point the mic at your coil — dial in real Hz against what you hear.

Improved

Scope display

Toggle scrolling animation. Adjust trace brightness for shop lights.

Improved

Dual banks B1 & B2

Ten preset slots across two banks. Any waveform on either bank.

Improved

Looks & skins

Wood, steel, and studio photo skins. New school or retro knob art.

Improved

Voice & wake

Hands-free control with configurable wake words.

Three signals. Infinite technique.

ST

Shark Tooth

Sharp, precise, signature Electric Shark — ideal for pro lining on The Scepter.

HH

Hammerhead

Square wave with a power spike — fat lines, packing, and low Hz work.

J

JAWS

Soft sine slope — gentle on skin, great for learning the system.

Start free. Unlock the full booth.

Free

Download at no cost

  • Power, knobs, wave wheel & Hz drag
  • Bank 1 presets 1–5 (recall)
  • Live scope trace
  • 2 skins: Burned Amber & Brushed Steel
  • Guides & sound settings

Pro

One-time upgrade — coming in App Store

  • Everything in Free
  • Bank 2 & presets 6–10
  • Voice commands & mic
  • Machine Tuner (coil Hz)
  • Scope animation & brightness
  • Stopwatch, save/edit presets
  • All skins & knob styles

Ready to run your machine?