Chromatic Tuner App

Free Tuner is a chromatic tuner for your musical instrument. The tuner works with the built-in microphone, you can set the 'Auto' mode to let the tuner find the nearest note or you can select one of the six strings of the standard guitar tuning.

Fine Chromatic Tuner is a chromatic instrument tuner that allows you to quickly and accurately tune your instrument using the built-in mic in your Windows or Android device. Features nice and clean interface allowing you to quickly find your pitch. The exact frequency of the sound is displayed. The Fine Chromatic Tuner was adjusted and tested with acoustic guitars, soprano ukulele, tenor uke, electric guitars and banjo ukulele. I believe that it will work with any mid to mid-high range instrument as it was fine adjusted for the 70 Hz - 500 Hz. So this one is not suitable for bass guitars for example. I have made a different app for the low range instruments - called Fine Bass tuner. This is automatic chromatic tuner that supports every screen size. Fine Chromatic Tuner works well with devices supporting 44100 16 bit audio input (almost every phone and tablet in mid - high price range) and 22050 16 bit audio input. Tuner still works with the other possible settings but not so accurate. Features: - Automatic note selection - Ultra responsive -50 to +50 cent range fine tuning display - Precise to ±1/100 semitone (±1 cent) - may be used by stringers - Analog like needle - Exact frequency display. - Clean bright and simple analog like UI - Keep screen on while working. - Works in noisy surroundings

Online Chromatic Tuner

The Download Now link directs you to the Windows Store, where you can continue the download process. You must have an active Microsoft account to download the application. This download may not be available in some countries.
From Fine Chromatic Tuner:

Chromatic Tuner App For Windows

Fine Chromatic Tuner is a chromatic instrument tuner that allows you to quickly and accurately tune your instrument using the built-in mic in your Windows or Android device. Features nice and clean interface allowing you to quickly find your pitch. The exact frequency of the sound is displayed. The Fine Chromatic Tuner was adjusted and tested with acoustic guitars, soprano ukulele, tenor uke, electric guitars and banjo ukulele. I believe that it will work with any mid to mid-high range instrument as it was fine adjusted for the 70 Hz - 500 Hz. So this one is not suitable for bass guitars for example. I have made a different app for the low range instruments - called Fine Bass tuner. This is automatic chromatic tuner that supports every screen size. Fine Chromatic Tuner works well with devices supporting 44100 16 bit audio input (almost every phone and tablet in mid - high price range) and 22050 16 bit audio input. Tuner still works with the other possible settings but not so accurate. Features: Automatic note selection - Ultra responsive -50 to +50 cent range fine tuning display - Precise to ±1/100 semitone (±1 cent) - may be used by stringers - Analog like needle - Exact frequency display. Clean bright and simple analog like UI - Keep screen on while working. Works in noisy surroundings.

What do you need to know about free software?

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Banjo Chromatic Tuner

From Fine Chromatic Tuner:Tuner

Bandmate Chromatic Tuner App

Fine Chromatic Tuner is a chromatic instrument tuner that allows you to quickly and accurately tune your instrument using the built-in mic in your Windows or Android device. Features nice and clean interface allowing you to quickly find your pitch. The exact frequency of the sound is displayed. The Fine Chromatic Tuner was adjusted and tested with acoustic guitars, soprano ukulele, tenor uke, electric guitars and banjo ukulele. I believe that it will work with any mid to mid-high range instrument as it was fine adjusted for the 70 Hz - 500 Hz. So this one is not suitable for bass guitars for example. I have made a different app for the low range instruments - called Fine Bass tuner. This is automatic chromatic tuner that supports every screen size. Fine Chromatic Tuner works well with devices supporting 44100 16 bit audio input (almost every phone and tablet in mid - high price range) and 22050 16 bit audio input. Tuner still works with the other possible settings but not so accurate. Features: Automatic note selection - Ultra responsive -50 to +50 cent range fine tuning display - Precise to ±1/100 semitone (±1 cent) - may be used by stringers - Analog like needle - Exact frequency display. Clean bright and simple analog like UI - Keep screen on while working. Works in noisy surroundings.