TuneHaven — Free Forever Charter

v1 · 2026 · this list is add-only: entries may join it; nothing may ever leave it

The promise

Free forever (v1, 2026)

The tuner — all of it:

• All 18 instruments: guitar, bass, double bass, ukulele, mandolin, banjo, tenor banjo, violin, viola, cello, charango, bouzouki, oud, cavaquinho, cuatro, balalaika, banjolele, lap steel — plus voice mode
• Every bundled tuning, and fully custom tunings
• Chromatic mode
• Reference tones, including the real sampled instrument voices
• A4 calibration, temperaments, all 4 notation systems, all 9 meter styles
• Left-handed mode and every accessibility feature

Learn:

• A full fundamentals course for every one of the 18 instruments
• All 10 practice modes
• Your practice streak and daily goal

Chords:

• Major and minor chords — full fingering diagrams, every voicing, playable strums — on every instrument

Tools:

• Metronome, drone, scales, chord↔scale, circle of fifths, capo, practice recorder

And the terms:

• No subscription. Pro is a single one-time unlock of extras (the chord types beyond major & minor, the course levels past the fundamentals, practice history & insights, String Health, overtones view, extra palettes, supporter badge) — nothing above ever moves into it.
• No ads. No account.

Changelog (add-only)

• v1 (2026): initial charter — the list above.