Hertzle
halfquiz.com
Estimate the pitch of a played sound in hertz, anywhere from 150 to 2,500, over three rounds worth up to 600 points for closeness, with a choice of difficulty and waveform.
- New puzzle
- DailyReset time not published
- Category
- Music
- Price
- FreeNo account needed
- Plays on
- Web browserIn the browser, nothing to install
- Site
- halfquiz.com
- Link checked
- Nov 4, 2026