in all vs altogether

in all is not a noun while altogether is a noun.

Word	Noun	Adjective	Verb	Adverb
in all	No	No	No	Yes
altogether	Yes	No	No	Yes

As adverbs, in all and altogether are synonyms defined as:

Other synonyms of in all include all told.

in all (noun)	altogether (noun)
	informal terms for nakedness

in all (adverb)	altogether (adverb)
with everything included or counted	with everything included or counted
	with everything considered (and neglecting details)
	to a complete degree or to the full or entire extent; Completely or entirely