About this app
THE ORIGINAL Bass Tone Tool, Since •• 2012 •• !
► Updated for iOS 26!
Trusted by car audio enthusiasts for over a decade. Test and tune your car or home audio system with precise, clean bass tones — down to 10Hz.
Whether you're chasing rattles, dialing in your amp's gain and boost, or prepping for a competition, Bass Hz! gives you the control to fine-tune your system by ear, using pure frequencies instead of music.
Built on Apple's Core Audio engine for clean, accurate tone generation.
HOW IT'S USED
► Find and eliminate rattles and buzzes in your vehicle ► Set amplifier gain and boost levels with precision ► Stress-test subwoofers to find their optimal response ► Prep and fine-tune systems for audio competitions
FEATURES…
Preview
Real screenshots from the store listing.
Independent evidence report
Evidence and review signals
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What we measured
Each line is a measurement published as a measurement, never a verdict.
Each line is a measurement, published as a measurement. Where we have not looked, the line says so rather than reading as a zero.
In the package we scanned
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence about the app, not a finding about it.
Graded bands · predicate set 1.4 · how these are measured
What the analysis found
App-specific findings, grouped by what each one rests on. How they are graded lives on its own page.
No review themes cleared the reporting threshold.
Assessment & version history
App changes and Appworthy events in one timeline.
What this app sells
Useful store-disclosed pricing, kept below the app listing.
Prices and terms as disclosed by the store listing.