pocket-sized vs small-scale

pocket-sized and small-scale both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pocket-sized	No	Yes	No	No
small-scale	No	Yes	No	No

As adjectives, pocket-sized and small-scale are synonyms defined as:

Other synonyms of pocket-sized include minor, modest, pocket-size, small.

pocket-sized (adjective)	small-scale (adjective)
relatively moderate, limited, or small	relatively moderate, limited, or small
small enough to be carried in a garment pocket	created or drawn on a small scale