a lot better vs much better?
" I think jazz is rather interesting, but my friend insists that reggae is a lot better than jazz."
I'd say much better.
Is there any differences between them?
Thanks a lot.

Question

a lot better vs much better?
" I think jazz is rather interesting, but my friend  insists that reggae is a lot better than jazz." 
I'd say much better. 
Is there any differences between them?
Thanks a lot.

Answer

In common usage there is no difference between the two - both are acting as adverbs modifying the adjective 'better'.
Some might argue that 'a lot' is more informal than 'much', but there is no difference in meaning in this context.

No pierdas la oportunidad de aprender un idioma desde la comodidad de tu casa. ¡Explora nuestra selección de profesores de idiomas con experiencia e inscríbete ya en tu primera clase!