Which HZ Detect is right for you?
One detector, four places to run it. Try it instantly in your browser — and when you're ready for your whole library, the desktop app is where the real power lives.
| Desktop ★ | Mobile | Extension | Web tool | |
|---|---|---|---|---|
| Install | Mac & Windows | iOS & Android | Chrome | None |
| Listens to | Mic, desktop audio — or your music files, directly | Built-in mic + song ID | Tabs, desktop audio, or mic | Mic, tab, or desktop audio |
| Best for | Analyzing & retuning your whole library | Checking whatever's playing around you | Detecting while you stream | Trying HZ Detect right now |
| Retuning | Yes — measured tuning → your target, in batch | Links to retuned versions | — | — |
| Cost | Analysis free · retune from $9.99 | Free · Pro $14.99 | Free | Free |
Detection is free everywhere. Retuning uses conversion credits — see pricing.
Free analysis of your entire music library — every song labeled with its measured tuning. Then retune any song from its measured tuning to your target (432, 528, or any Solfeggio frequency), in batch, entirely on your computer.
Identify the song and measure its tuning wherever you are. Free on iOS & Android; Pro adds exact readings and history.
Instant demo Detects in real time while you stream — YouTube in a tab, or any app via desktop audio. Free on Chrome.
Instant demo No install at all — the detector runs right on this site through mic, tab, or desktop audio.
Your first moment of value, 60 seconds from now.
Sign in with your email — no password — and your credits and Pro unlock follow you across desktop and mobile.