Buying Guide

Is 256 GB enough for a MacBook Air? For most people yes, but not by the margin the number suggests: macOS takes its cut before you save a single file. Here's what really fills the disk, and how to decide before you pay for 512.

Unified memory changes how a Mac's memory is wired, not how much a gigabyte holds. Here's what Apple changed on Apple silicon, where the claim that 8 GB behaves like 16 GB came from, and how to decide how much to buy on a Mac you can't upgrade later.

The best Mac cleaner is often no cleaner at all. macOS handles most housekeeping itself. Here's an honest map: when you actually need one, the trustworthy paid and free options, and what to just do yourself.

The best Mac menu-bar system monitor depends on what you want: pure sensor detail (iStat Menus, Stats), a monitor-plus-cleaner suite (Sensei), or live vitals with the fix beside each one (Plumby). Honest picks, with prices.

Do I need a Mac cleaner? Usually not. macOS clears its own caches, logs and snapshots and offers Optimize Storage. Here's the honest exception it won't.