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This decision was completely out of our hands. Please note that all other apps with Free Memory appear to have been removed or updated without their Free Memory function too.
This was not taken lightly—we examined our choices, taking a lot of public feedback on board. We apologise for any inconvenience this may have caused and we do not plan to remove any other features from iStat."
The geeky population that truly loves their iPhones doesn't want to be left in the dark, or treated like they've just borrowed this gadget from someone but can't really use all its features. They want to know what's happening on the inside, and Apple is annoying them by not letting them do that.