There are plenty more music-related apps that make learning and playing guitar and other instruments much more accessible than 20 years ago, but these two are the essential must-have apps on my iPhone ...

Duolingo is currently rated the number 1 education app in Great Britain for iPhone users (number 4 for iPads), rated 4.7 stars out of 5 by about 700 thousand users. The app is a juggernaut in the ...