4 listings we've seen · as of 8 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Education

What key is this song in? Click while a tab plays music to detect its musical key and BPM — 100% on-device, nothing uploaded.

Well-being

Find your vocal range and voice type in ~60 seconds. Real-time pitch detection runs entirely in your browser — nothing is uploaded.

Education

Clip text from any page into AI flashcards and quiz questions, scheduled with spaced repetition. PupilBot account; 1 free study.

Well-being

A calm guided breathing exercise. Hum a slow sigh on each exhale to settle your nerves — runs in your browser, nothing uploaded.