The ​Guitar Scales Power App

Today's app is the ​Guitar Scales Power app:

​Guitar Scales Power (Thomas Gunter) Helps any level guitar player improve their playing; great scale reference; knowledge of scales is essential when improvising, doing chord construction, and writing music; each scale is shown in positions covering the complete fretboard in any key for many of the most commonly used scales; allows user to see the note letter names, intervals, and fingerings of scales; scale notes can be played at adjustable speed and highlighted as played to aid in learning; scale positions correspond to the popular CAGED system; the CAGED system chord shape for the current position of a scale is displayed to assist in learning and remembering scale positions in any key; included scales: Pentatonic: Major and Minor Pentatonic, Blues, Major Blues; Major scale modes: Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian (Natural Minor), and Locrian; Minor scales: Harmonic Minor, Melodic Minor Ascending (Jazz Minor); Symmetrical scales: Chromatic; scale and note playback; simple user interface; all keys and positions of scales listed above in free version; display options include notes, intervals, or fingering; play scale by strumming across strings; scales playback in both directions; tap on a note to play it; right or left handed; supports alternative tunings; zoom in or out to see the complete neck; Universal app; (iOS 5.1 or later).