Fine Tuner - Precise & Fast

🎵 Fine Tuner – A precise chromatic tuner for your string instruments

✨ Key Features
Fine Tuner is a chromatic tuner designed first and foremost for string instruments: guitar (classical, electric, acoustic), bass (4 and 5 strings), violin, viola, cello, double bass, ukulele, mandolin, banjo and harp.
Its chromatic detection also tunes many other instruments, including wind instruments.
It offers both standard and alternative tunings (drop D, drop C, open tunings…), especially for guitars and basses.
A chromatic mode allows automatic detection of all played notes.
New: discover the Circle of Notes — an interactive tool that lets you tune your string instrument by ear!
Listen to notes from octaves 1 to 7 with different instrument sounds, or explore major, minor, and many other chords.

🎻 Made for string instruments
Whether you play violin, viola, cello or double bass, Fine Tuner shows the note and the deviation in cents for accurate tuning, both arco and pizzicato.
Guitarists, bassists, ukulele, mandolin, banjo and harp players: tune every string quickly, even in a noisy environment.

⚙️ Operating Modes
• Automatic mode: Detects notes automatically within the selected tuning range.
• Manual mode: Allows manual selection of the note to tune using the note selector.
• Circle of Notes: Play and listen to notes and chords to tune by ear.

🔍 Display Modes
• Precision view: Default precision range of ±50 cents, with a needle indicating the position relative to the target frequency.
• Graphical view: Default precision range of ±500 cents, with a graph to track tuning adjustments.
• Expanded view: Displays a wider range up to ±1000 cents, ideal for visualizing large deviations.
• Spectrum: Analytical view displaying the frequency spectrum in real time, allowing detailed observation of harmonics and sound distribution.

🛠️ Customization Options
• Reference frequency: Adjustable between 400 Hz and 480 Hz, with a default value of 440 Hz.
• Temperament selection: Choose between Equal Temperament, Pythagorean, or Meantone according to your musical style and instrument.
• Deviation tolerance: Adjustable to set the desired tuning precision.
• Note display type: Choose between standard or Latin notation.
• Gain adjustment: Microphone sensitivity calibration for optimal note detection.
• Accidental display: Option to show sharps (#) or flats (b).

🛠️ Custom Tunings
• Create custom tunings with your own note frequencies.
• Manually define each note for advanced tuning control.
• Support up to 99 notes per tuning.

📊 Note Display
The main detected note is displayed centrally, along with adjacent semitones for better reference.
Shows the target and current frequency, as well as the difference in cents for precise tuning.

📱 An Ergonomic Tuner
Fine Tuner adapts to your preferences, whether you use portrait or landscape mode.

🎵 A Free and Accessible Tuner
Fine Tuner is available for free with non-intrusive ads to support development.
You can also remove ads through an in-app purchase for a completely clean experience.

Recent changes:
• Easier onboarding: subtle hints on first launch
• User guide available from the menu
• More reliable startup and better crash tracking
• New icon