About this app
A warm, always-in-tune reference pitch — every note from C to B, held as long as you need. It plays a pure, steady reference tone for any note — tune by ear with confidence. All 12 chromatic notes across multiple octaves. Tap a note and it rings true, warm, and clean. Sustain a tone indefinitely while you match strings, vocals, or wind instruments. No ads, no noise — just a clean reference pitch whenever you reach for it. Perfect for guitar, violin, choir, brass — a chromatic pitch pipe that fits in your pocket. — SUBSCRIPTION — Premium unlocks all features. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless turned off at least 24 hours before the end of the current period. Manage or cancel anytime in App Store settings. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy
Latest release
What’s New
Bug fixes and performance improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 12, 2026 · 3:48 PM Free
Screenshots
