Install the bench tools offline

Mobile Apps

Install Tube Bias Calculator Pro, Tone Stack Simulator Pro, Virtual Oscilloscope Pro, Resistor Toolkit, and Capacitor Toolkit on your phone — offline, from the home screen.

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 Pro

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

 App

Tone Stack Simulator Pro

Solve bass/mid/treble response for Fender, Vox, and Marshall 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.