In fact and On the face of it

In fact adverb - In reality or actuality.

On the face of it and in fact are semantically related. In some cases you can use "On the face of it" instead an adverb phrase "In fact".

On the face of it adverb - From appearances alone.

In fact and on the face of it are semantically related. Sometimes you can use "In fact" instead an adverb phrase "On the face of it".