One Tuner vs MAD Tuner

OneTuner does one thing and does it well. Open the app, play a note, and instantly see if you're in tune. The screen shows your note in solfege notation with a precision needle meter. When you're in tune, everything turns green. When you're not, you see exactly how many cents sharp or flat you are. There are no menus, no settings to configure, no buttons to press. OneTuner starts listening the moment you open it and stops when you leave. It works with any instrument — guitar, piano, violin, cello, ukulele, flute, voice, anything that makes a pitch. No ads. No account. No subscription. No internet required. No data collected. Your audio never leaves your device. OneTuner is the tuner you open when you just want to tune and get back to playing.

Less on your screen. More focus on your sound. MAD Tuner brings together three essential tools for musicians in one precise, distraction-free app: a chromatic tuner, a reference-tone generator and a realistic metronome. PRECISE CHROMATIC TUNER The clear analog-style dial and responsive needle let you understand your pitch instantly. Red means flat, yellow means sharp and green means in tune. • Automatic chromatic note recognition • Adjustable A4 reference from 390 to 490 Hz • Error displayed in cents or hertz • Multiple sensitivity and detection profiles • Adjustable needle response and green-zone accuracy • International, Latin and German note names • Sharps or flats • Equal, historical and fully custom temperaments REFERENCE TONE GENERATOR Swipe to the reference-tone page and hear the note you need. • Select notes from A to G • Natural, sharp and flat accidentals • Fine frequency adjustment • Clear, harmonically enriched sound • Animated sound waves during playback REALISTIC METRONOME A physical-style pendulum gives rhythm a visible form. • Adjustable from 30 to 240 BPM • Drag the weight to change the tempo • Swipe individual digits or use the numeric keypad • Synchronized audible click on every beat • Tempo remains visible while playing • Natural acceleration and deceleration through every swing DESIGNED FOR MUSICIANS • Clean portrait and landscape layouts • Interface available in nine languages • No advertising • No account required • Audio is processed locally on your iPhone and is never recorded, saved or transmitted Designed in Italy with one simple principle: every detail should help you listen, tune and play. Try every feature free for 7 days. Continue with one single purchase. No subscription.