Mac (10000 programs)

Pros: Large and easy to read format. very easy to use.

Cons: The interface is rather dull. Not possible to make the buttons invisible.

Pros: A large number of lessons. Fifty different songs to learn. Covers a wide range of aspects. Includes many music genres.

Cons: No feedback. Some lessons are hard to follow. Not all content is relevant. Not much replay value.

Pros: Three different difficulty levels. Questions are researched for accuracy. Hint feature can help when stuck. No multiple choice questions.

Cons: Fewer questions than other quiz apps. No multi-player game modes included. Input method may not appeal to everyone. Only four categories to pick from.