Danbi Tuner: Tuner & Metronome

Danbi Tuner opens to a chromatic tuner and a sample-scheduled metronome. No account. Tuning, tempo, setlists, and practice records are not sent to a developer server; there is no developer server. Network is only for store billing and purchase restore. No practice-interrupting popups; Pro badge and limits stay on screen. Who it is for - Students and hobby players tuning guitar, bass, ukulele, violin, or cello - Teachers and bands setting tempos and switching song BPM on stage - Wind players who want B♭, E♭, or F written pitch Tuner Large note name, cents, and a bar or gauge needle; in tune turns green. Below 70 Hz it switches to low mode automatically. 17 built-in instruments and 28 tunings on an icon grid, plus custom tunings. Tap a string for a reference tone; set tone length, sensitivity, and display mode in Settings. Wind presets (B♭, E♭, F) show written pitch. A4 is adjustable. Metronome Time signatures, 12 subdivision note pictures, per-beat accents, tempo trainer, tap tempo, and sounds (wood, click, bell, voice). Clicks use the audio sample clock. Set BPM with the dial or ±1 buttons. The tempo trainer raises BPM every set number of bars. Stage mode: large BPM and screen flashes. Vibration and screen flash on each beat can be turned on in Settings. Setlists Save title, BPM, meter, accents, and memo; open Stage mode. Two setlists by default. Export/import .danbi.json. Practice log and recording Logging is on by default (Settings > Practice log to turn off). No reminders; records stay off developer servers. After 7 practice days, a dimmed calendar preview introduces Pro. Pro adds calendar, per-song tempo trends, and CSV. Practice recording is Pro via [Record] on the metronome. Recording only happens when you tap [Record] yourself, and sound never leaves your phone. Files stay private, excluded from OS backup, and stop at 30 minutes or low storage. Home widget and shortcuts Home widget opens tuner or metronome without playback. Shortcuts: tuner, start metronome, setlist. Latency and themes Tap in Settings to measure output latency. Pro accent colors: lavender, rose, teal, graphite. Dark, light, or system display and left-hand mode are in Settings. Languages and note names 27 languages (en, ko, ja, zh-CN, zh-TW, es, pt-BR, pt-PT, fr, de, it, nl, sv, pl, ru, uk, tr, id, ms, fil, vi, th, hi, bn, ar, fa, he). App name is '단비튜너' in Korean only, otherwise 'Danbi Tuner'. Note names: C D E, H system, or Do Re Mi. Change in Settings. Data No developer server; app data is not sent to one. Setlists, tunings, and practice logs stay on device and may join your Google backup when Android auto backup is on. Recordings and purchase info are excluded. Only billing state goes to Google Play Billing.

Danbi Tuner opens straight to a chromatic tuner and a metronome that schedules clicks at the audio-sample level. No account is required. Tuning, tempo, setlists, and practice records are not sent to a developer server; there is no developer server. The network is used only for store billing and purchase restore. The app does not interrupt practice with popups; a Pro badge and limit notes stay on screen.