3. Tabs & Chords HD
So you have guitar, bass or ukulele technique down, but you want to learn how to play popular songs. If that’s the case, there are few better options than Tabs & Chords HD. Brought to iOS by the prolific website Ultimate Guitar, the app features over a million tabs, chords and lyrics so you can learn to play virtually any song from any era. The basic version is free to use, but there are additional extensions like guitar tuners and metronomes available for in-app purchase. Download it here.