GuitarTuna is the easiest, fastest and most accurate tuner app in the world. The ultimate tuner for guitar, bass, ukulele and all popular string instruments. GuitarTuna has been downloaded over 20 million times and is used by beginners and experts. Why is it the world's most popular tuner ever built?. Simple and easy to use. Works with both electric and acoustic guitars and string instruments using the built-in microphone. No cables needed. Perfect for complete beginners. Recommended by guitar teachers. Simple and intuitive. Clear visual feedback with signal history. Award winning audio technology: Built on the world's most advanced audio recognition algorithm - the same technology powering Yousician. Professional accuracy for advanced players. Auto mode tuner (for super fast tuning, hands-free, string by string) Advanced tools for all musicians: Metronome: set at any tempo, change the beat manually or by tapping at the desired speed. 6 Ultimate Chord Learning Games: learn, practice and master chords, and develop the ability to recognize them by ear. Chord library: find any chord diagram easily and hear how it should sound. Learn Guitar Songs: 4 songs with guitar notation (tabs) to play along and test your skills. Alternative tuning sets (we are working on the chromatic tuner feature, thanks for the suggestions) Works with: Electric and acoustic guitars. Bass. Mandolin. Ukulele. Viola. Violin. Cello. Fiddle. Balalaika. Banjo. Many other string instrumentsOver 100 tunings available, including: Standard. Drop-D. Other drop tunings. Open tunings. Half step down. 7-string tunings including drop-A. 12-stringAdditional features: Works in noisy areas, with background noise cancellation technology. Designed by guitarists for guitarists and developed by the world's leading audio engineers. Improve your skills in chords, riffs, tabs, and ear training, and increase your picking speed, just like you would with guitar lessons / classes. make the app look like your instrument by choosing different headstock visualsPlease be careful: If it is your first time tuning the guitar or instrument, please be careful. We recommend watching a YouTube tutorial or asking a guitar player how it's done. Beginners risk snapping strings with improper tuning techniques. Send us feedback:Got ideas to make GuitarTuna even better? Send your ideas and suggestions to: firstname.lastname@example.orgDownload our other free music learning app:Yousician - the best way to learn, practice and master the guitar, piano and ukulele. Ranked the #1 Education app in 119 countries. Selected twice as Editor's choice in 2015. Over 25 million users. https://play. google.com/store/apps/details? id=com. yousician. yousicianLearn more about Yousician on Youtube and Facebook. https://youtu. be/xFnB0uK7PcQ. https://www.facebook.com/yousician.