Could you recommend me a free Spanish dictionary APP that I could download on my IPhone? Thanks
Try one of the best ones: El diccionario de la Real Academia Española.
The dictionnayn of the Royal academy. La real academia espanola
How you know english, you can use the Cambrigde dictionary english -spanish or spanish dict.
I don't know if it is possible to find Maria Moliners´s dictionary but you can try