Cleartune is a chromatic instrument tuner and pitch pipe that allows you to quickly and accurately tune your instrument using the built-in mic in your Android device.

It features a unique "note wheel" interface allowing you to quickly find your pitch, paired with a highly responsive fine-tuning meter for the perfect tune.
With support for custom temperaments, transposition, notations such as solfège, adjustable calibration and more, Cleartune packs more power than most pro tuners, yet is simple enough for everyone to use.

Cleartune can tune acoustic or electric guitar, bass, bowed strings, woodwinds, brass, piano, tympani, tablas and any other instrument that can sustain a tone.

Features:
- Note Wheel Display
- Ultra responsive 25 cent range fine tuning display
- Needle Damping option
- Precise to ±1/100 semitone (±1 cent)
- Selectable Temperaments
- Selectable Notations (such as Solfège)
- User-defined temperament and notations
- Support for transposing instruments
- Adjustable A4 calibration in 0.1 Hz increments
- Pitch Pipe/Tone generator
- Selectable tone waveform
- Automatic or manual note selection

New in v1.5.1

• Bugfix for compatibility issue with Droid RAZR
• Improved performance and fluidity of UI
• Fixed scaling issues on larger screens
• Added frequency display option
• Instant response with Needle Damping at 0
• Fix issue with Galaxy Ace

New in v1.3.6

• Bugfix for compatibility issue with Droid RAZR

New in v1.3.5

• Fixed compatibility issue with Dell Streak

New in v1.3.3

• Fixed compatibility issue with Motorola Defy and certain Samsung phones including Samsung Fascinate and Samsung Moment

New in v1.3.2

• Fixed compatibility issue with Motorola Atrix 4G

New in v1.3.1

• Fixed compatibility issue with Nexus S and Samsung Galaxy S

New in v1.3

• Fixed Droid X compatibility issue running on 2.2 Froyo