Afinador

Discover Afinador, the ultimate real-time musical instrument tuner designed for precision, speed, and a seamless tuning experience. Whether you are practicing, teaching a lesson, or tracking in the studio, Afinador delivers professional-grade pitch detection right to your device.

Built with a sleek, distraction-free dark mode UI, Afinador doesn't just tell you if you are in tune—it shows you. With its unique scrolling "Sismograph" waveform trace, you can visually track your pitch history in real-time, making it easier to hold steady notes and perfect your intonation.

✨ Key Features:

Real-Time Pitch Detection: Powered by the highly accurate YIN algorithm, capturing your fundamental frequency instantly.

Wide Note Range: Accurately maps detected frequencies to the nearest musical note from C0 all the way to B8.

Precision Cents Gauge: A highly responsive horizontal gauge showing your exact deviation from perfect pitch (-50 to +50 cents).

Visual Sismograph History: A beautiful, color-coded scrolling waveform trace that records your last 60 readings (🟢 Green = In tune, 🟡 Amber = Close, 🔴 Red = Out of tune).

Smooth & Responsive UI: Pitch detection runs entirely in the background, ensuring the visual feedback stays at a buttery-smooth 60 FPS without draining your device.

Smart Jitter Smoothing: Utilizes an Exponential Moving Average (EMA) to dampen needle jitter, while instantly bypassing the filter for large, sudden pitch changes so you never feel a delay.

🎷 Who is it for?
Afinador is perfect for a wide variety of acoustic and electric instruments. Whether you play the saxophone, clarinet, flute, guitar, or strings, the app provides the exact visual and technical feedback you need to stay perfectly on pitch. The optimized frequency range (20 Hz – 4,000 Hz) actively filters out unwanted room noise and harmonics to lock onto your true note.

⚡ Technical Excellence Under the Hood
For the audio geeks: Afinador processes a 16-bit, 44,100 Hz mono audio stream using a highly optimized Float64List ring buffer. This means zero memory allocations in the hot path, zero latency, and pure, uninterrupted performance.

Keep your instrument perfectly in tune. Download Afinador today!