Guitar Tuner & Bass

Precision Instrument Tuner – Guitar, Ukulele & Bass

A professional-grade tuning app built for musicians who demand accuracy, reliability, and speed.

Powered by the advanced YIN pitch detection algorithm, this tuner delivers studio-level precision up to ±0.1 cents, making it ideal for practice, performance, and recording sessions.

Supported Instruments

Guitar (6-string)
Standard, Drop D, Drop C#, Open G/D/C/E/A, DADGAD, Half Step Down

Ukulele (4-string)
Standard C, D Tuning, G Tuning, Baritone, Half Step Down

Bass (4 & 5 string)
Standard, Drop D, Half Step Down, Whole Step Down

Why Choose This Tuner

• High-precision YIN algorithm for reliable pitch detection
• Accuracy up to ±0.1 cents
• Works completely offline
• No ads, no subscriptions, no hidden costs
• Supports unlimited custom tunings
• Suitable for beginners and professional musicians
• Guitar Chords practice feature with chord diagrams, chord playback, strumming direction, and more built-in chord.
Visualization Modes

Analog Needle
Classic tuner interface with smooth needle movement for intuitive tuning feedback

Digital Readout
Clear cent value display for precise pitch adjustment

Spectrum Waterfall
Real-time frequency spectrum visualization for advanced users

Custom Tuning Creator

Create and save custom tunings for any supported instrument:

• Set individual string frequencies
• Name and organize tunings
• Ideal for alternate and experimental tunings
• Import and export tuning configurations

Professional Features

• Adjustable reference pitch (A4: 430–450 Hz)
• Haptic feedback when strings reach perfect pitch
• Color-coded accuracy indicators
• Wide frequency range: 30–1000 Hz
• 44,100 Hz sample rate for professional accuracy
• Screen stays awake during tuning sessions
• Battery-efficient auto-stop when running in background

Multilingual Support

Available in English, Spanish, Simplified Chinese, and Japanese.

Privacy and Performance

• Fully offline operation with no internet required
• No data collection or tracking
• Audio processing handled entirely on device
• No ads or interruptions

Whether you are a beginner learning your first chords or a professional preparing for a recording session, Precision Instrument Tuner provides the accuracy and reliability you can trust.