Does Amphetamine Keep Slack Active? Only Half the Problem
Amphetamine keeps your Mac awake, which stops the instant away flip that sleep causes. It creates no keyboard or mouse input, so the 10-minute idle timer still turns you gray. What it fixes, what it cannot, and what to pair it with.
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 keyboard or mouse input, and without input Slack still turns you gray at the 10-minute mark. Awake is not active.
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
The Slack desktop app counts clicks, keys and mouse moves anywhere on the Mac (Slack desktop 4.52.178 code, checked 7 Oct 2026); it reads the idle time, not your mouse path. A wide-awake Mac that nobody touches 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 use the Mac often enough to feed the timer without noticing.
Never appear "away" on Slack again
Cloud-based. No downloads. Works 24/7 even when your laptop is off.
What to pair it with
- • Input on the Mac. Your own work, or a mouse jiggler anywhere on screen. Machine must stay awake and unlocked. The Mac jiggler options are compared in mouse jiggler for Mac.
- • A server-side schedule. Slack Green
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 active? 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.
Stop Jiggling Your Mouse.
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