Dynamic Text Logo In Oracle Apex

1. Create a Application Item. Like  AI_HEADER

2. Create a Application Process Like Below

begin
if to_number(:app_page_id)=1 then
:AI_HEADER:='Home Page';
else
:AI_HEADER:='Other Page';
end if;
end ;

3. Set  AI_HEADER into Shared Component >> User Interface >> Logo >> Custom
&AI_HEADER.

Done