BonsaiGo

Focused apps that do one job well.

Bonsaigo LLC is an independent software company. Our first app, Scalar, turns an iPhone into a sound level meter and audio spectrum analyzer.

Our apps

What we're shipping now.

Scalar

Coming soon to the App Store

A sound level meter, real-time spectrum analyzer, octave-band analyzer and spectrogram in one iPhone app. Measure how loud a room is, find the frequency of a hum or ring, and record what you hear.

  • dB SPL meter with A, C and Z weighting, Leq, min and max
  • FFT spectrum with peak frequency and musical note
  • 1/3-octave and octave bands with NC and NR room ratings
  • Scrolling spectrogram and built-in audio recorder
  • Everything is processed on your iPhone; no accounts, ads or tracking
Scalar's spectrum analyzer showing a live frequency plot with a peak at 110 Hz

What we do

The short version:

Apps for iPhone

We design and build native iOS apps, starting with audio measurement.

Software for small businesses

We also build web software that helps small businesses run their day-to-day work.

Private by default

Our apps work on your device. We don't run ads or track you.

Updates

Company news and notes.

October 2026

Scalar is in testing ahead of its App Store release. See what it does.

August 2026

Bonsaigo LLC launched its website.

About

BonsaiGo is the software studio of Bonsaigo LLC, a small, independent company in the United States. We build and publish our own apps and software, and we keep each one small, fast and respectful of your privacy.

Legal name
Bonsaigo LLC
Address
522 W Riverside Ave Ste N
Spokane, Washington 99201-0581
United States
Email
hello@bonsaigo.com

Contact

Email is the best way to reach us.

Email us

Questions, ideas or business inquiries.

App support

Help with Scalar, answers to common questions, and how to report a problem.