Is there any app that will tell what made a Mac's disk storage grow or shrink? It seems like every week or so, Finder shows my available storage has jumped or shrunk by more than a few GBs. Yesterday, it went from around 100GB free to about 3! That was an emergency, and yet I knew of no quick way to tell what caused it. The culprit turned out be the huge default cache of a newly installed app, Mountain Duck. But it took a few minutes to figure that out. There must be a quick way to see what caused such a jump.
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1Your drive's contents may change several times a second, all day, every day. Something like this would bury you in useless data. – Tetsujin Jul 24 '23 at 17:58
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1Micromanaging storage in this manner is not effective as @Tetsujin already mentioned. What you need to look at is upgrading your storage, if you’re over 50% usage, it’s time to think about getting more. If you’re above 80%, you need more storage now. If you’re worried about the remaining 100GB of space, you’re about 1/2 TB too late. – Allan Jul 24 '23 at 19:03
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You don't need a third party app - but I'll link this to a thread with the "native solution" that I proposed there as well as many third party apps. – bmike Jul 24 '23 at 23:18