How about diff tools to compare source codes? Any?
as mentioned in my first post I use total commander for it. just select one file in the left pane, the other in the right and then files > compare by content.
for folder structures you just use Commands > Sync dirs and you get some options screen.
Maybe not all the best but still easier and faster in handling than installing a dozen apps to get the same result.
Edit: the power of the tool above is knowing it's shortcuts and only using the keyboard.
(easy for the Norton/Volkov/Star Commander users since it's all based on NC)
if I don't forget I do a file > export to zip after a new published version and store it in the project subfolder name published that hods subdirs like 1.37 with the apk & zip in it.
this is all in a dropbox folder so auto synced to the computers where I work on,
at home there's still a seperate auto backup done with SyncBack of this and other data to an USB disk.