Disk Cleaner App - Freeing up disk space
There is an approved app in app store that claims to cleanup disk space on
your iDevice by removing temporary files. iClean
Now here is my question,
An iOS app cannot access anything outside of its sandbox. It can only read
write files within its bounds. So how does this app claims to free up
space on users phone? There are plenty of user reviews (might be fake)
that agree with it.
When I asked a similar question before someone suggested that iClean adds
temporary files to their apps document dir till 90% of the disk space is
used up and then deletes it. Apparently by doing that iOS services cleanup
temp files. As a test I tried whole thing in a test app on my iphone and
it didn't free up anything on my 4S.
I have read through Apple documentation regarding File System Programming
and it pretty much says the same thing, apps remain within their sandbox.
Any idea what are these guys doing?
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