Perfect Your Hearing. Elevate Your Music. Experience More.

Take the FullScale Hearing Test on iOS, Android, Mac, or Windows in as little as 8 minutes.

View your full spectrum hearing profile in detailed reports.

Download ARIA ONE on iOS, Android, Mac, or Windows.

Personalize listening on headphones, speakers, and in the studio.

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HOW IT WORKS
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FullScale Test

Test for your full spectrum hearing profile

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ARIA ONE

High resolution sound personalization software

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Hear Perfection

Optimize music listening for your full hearing

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FULLSCALE
HEARING TEST

Test your full-spectrum hearing from 125Hz to 20kHz on iOS, Android, Mac, or Windows in as little as 8 minutes.

Use any hearable off our list of calibrated devices for the best results.

Explore your hearing with our free, full-spectrum, in-app report.

Extended in-app & PDF reports provide in-depth analysis for a $5 fee. Available on FullScale mobile (iOS & Android).

The hearing test is also built into ARIA ONE — test, personalize, and listen all in one app.

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ARIA ONE Simple UI — macros, audio player, personalized audio ARIA ONE Macro Editor — DSP controls, diamonds visualization, metering ARIA ONE Limiter and EQ — hearing profiles, frequency response, advanced DSP
ARIA ONE. EVERYTHING YOU NEED.

ARIA ONE is the complete platform for personalized audio — hearing test, AI presets, DSP personalization, and playback in a single app. Choose your path and start listening.

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Instant — Age-matched profile, no test needed.
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Quick Results — Hearing test without the full setup flow.
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Full Accuracy — Calibrated setup with your specific headphones.

Get ARIA ONE on desktop today. Free mobile access is rolling out now.

ARIA Studio users begin here too — ARIA ONE creates and exports everything ARIA Studio needs. Mobile links will be added on the Labs beta page as they go live.

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ARIA Studio Interface ARIA Studio Interface 2 ARIA Studio Interface 3
ARIA STUDIO

High-resolution sound personalization for headphones and speakers — at home or in the studio. Available as a standalone app, VST3, and CLAP plugin on macOS and Windows.

Set up with ARIA ONE to take your hearing test, generate presets, and export to ARIA Studio for the full premium DSP experience.

ARIA ONE includes free AI credits for every account — use them for preset generation, real-time tuning, guided tutorials, and more. Learn more

ARIA Studio License

$199.99
$149.90 Launch Pricing

🎁 Includes Absolute Zero ($79 value) FREE with v1.0 launch

INTRODUCING ARIA STUDIO

ARIA Studio Introduction

NO BARRIERS, NO LIMITS

THE ALTITUDE DIFFERENCE
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Industry's only full spectrum hearing test

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Lossless and high-resolution personalized hearing refinement software

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Engineered for any source, device, or listening environment

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Prioritizes the entire listening journey

Other Brands
Other brands
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Uncalibrated "ballpark guess" hearing profiles

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Lossy and low-fidelity DSP architectures

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Provide a single solution for earbuds

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Limit the listening journey to their hardware