WarashiGuidesUnderstand your Mac
Plain answers to the questions every Mac owner asks.
Useful with or without Warashi.
Why is my Mac slow? Find the app behind it
A calm, step-by-step way to find what's slowing your Mac down: CPU, memory pressure, heat and disk.
How much RAM do I need on a Mac?
Read memory pressure and swap like a pro, and size the memory of your next Mac from your own usage.
What's draining my MacBook battery?
Find the apps that cost you battery, in front and in the background, with real energy numbers.
Mac running hot? kernel_task and thermal throttling explained
Why kernel_task suddenly uses lots of CPU, what thermal throttling is, and what you can do about it.
Should I upgrade my Mac? Let your own data decide
Memory, storage and chip: how to tell whether you need a new Mac, and which one, from 30 days of evidence.