This video (https://youtu.be/38-K2rPu8fc?t=167) is talking about the usage of "also" and gives this example
She wrote three emails to him but he didn't answer, he ignored her calls as well.
And then the speaker substituted "also" for "as well", and said
"He ignored her calls also." It sounds weird but it's possible.
That does sound weird for speaking, the question is for writing.
Is it idiomatic put also at the end of a sentence in writing?
Note: My another post (The usage of "also": could someone please give an example to illustrate where is the location "after the verb to be when it is a full verb"?) is relevant though, they are talking about different questions. This one is focused on the location of the end of a sentence.