Does Amphetamine Keep Slack Active? Only Half the Problem

Half yes, half no. Amphetamine keeps your Mac awake, and a sleeping Mac flips you to away almost instantly, so it removes that one trigger. What it cannot do is create input inside Slack, and without input Slack still turns you gray at the 10-minute mark. Awake is not active.

We build Slack Green, which handles the half Amphetamine cannot, so this page is precise about where each tool's job ends.

What Amphetamine actually does

Amphetamine is a free Mac menu bar app that blocks sleep: display sleep, system sleep, or both, for a session you define. That matters for Slack because sleep and lock flip you to away within seconds, long before the idle timer would.

With Amphetamine running, the sleep flip never fires. If your away problems happen at your desk, two minutes after you stop for coffee, this fixes them, free.

What it cannot do

Slack counts clicks, keys, and scrolling inside its own window, and nothing else. A wide-awake Mac with your input going to other apps is silence to Slack, and the 10-minute timer runs out on schedule.

So the honest test result: Amphetamine alone keeps your machine on and your dot gray. People who report it "working" usually also touch Slack often enough to feed the timer without noticing.

What to pair it with

• • Input inside Slack. Your own clicks, a
jiggler parked over the Slack window, or a browser extension. Machine must stay unlocked. The Mac jiggler options are compared in mouse jiggler for Mac.
• • A server-side schedule. Slack Green

feeds presence from a server, so the Mac can sleep after all, which retires Amphetamine from the Slack job entirely.

Choosing between Amphetamine and other keep-awake apps? See the best app to keep a Mac awake for Amphetamine, KeepingYouAwake, Caffeine, Lungo and KeepAwake side by side. If you are leaving Amphetamine for a specific reason, Amphetamine alternatives for Mac matches each reason to an app.

Frequently asked questions

Does Amphetamine keep Slack green? Not by itself. It prevents the sleep flip, and the idle timer still fires at 10 minutes without Slack input.

Is Amphetamine detectable by my employer? It is a normal Mac app. On a managed machine, endpoint monitoring can see any installed app. What monitoring actually sees is in will I get caught.

Caffeine or Amphetamine for Slack? Same answer for both, and the Caffeine version explains the differences between the two apps.

What is the setting that keeps Slack active on a Mac? None exists, in Slack or macOS. The method comparison covers everything that works.

The short version

Amphetamine fixes the sleep flip and nothing else. Pair it with real input at your desk, or skip the pairing and put the dot on a schedule that does not care whether the Mac is awake.