Bench Tools

Mobile Apps

Install your most-used tools as Progressive Web Apps (PWAs) without any app store, for native performance, offline access, and a home screen icon, using the instructions below.

iPhone Tap Share → Add to Home Screen
Android Tap Install App
Desktop Click Install App

All Mobile Apps

Tube Bias Calculator Pro

Work out safe plate dissipation and dial in idle bias — installable on your phone.

 App

Virtual Oscilloscope

Watch the power-stage scope trace live as you turn up volume and tone, with clipping and bias effects modeled.

 App

Tone Stack Calculator

Solve bass/mid/treble response for Fender, Vox, Marshall, and Baxandall-style circuits.

 App

Resistor Toolkit

Decode color-banded resistors, or work backward from a value to the bands you need.

 App

Capacitor Toolkit

Read ceramic/film codes and tantalum color bands, or reverse-lookup a value into a code.

 App

Coming soon: more bench calculators available as installable apps.

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