Amphetamine is a little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
United States




StayUp is described as 'Keeps a Windows PC awake on your terms: forever, for a set time, until a clock time, while a chosen app is running (Zoom, OBS, a backup job), or on a daily schedule like workdays 9-18. It uses the Windows power request API - no fake keypresses - and lives quietly in the' and is a prevent sleep mode app in the os & utilities category. There are five alternatives to StayUp for Windows and Mac. The best StayUp alternative is Amphetamine, which is free. Other great apps like StayUp are Caffeine for Windows, PowerToys - Awake, Don't Sleep and PowerLockGuard.
Amphetamine is a little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake.




If you have problems with your PC locking or going to sleep, caffeine will keep it awake. It works by simulating a keypress once every 59 seconds, so your machine thinks you're still working at the keyboard, so won't lock the screen or activate the screensaver.

PowerToys Awake is a tool for Windows designed to keep a computer awake without having to manage its power & sleep settings. This can be helpful when running time-consuming tasks, ensuring that the computer does not go to sleep or turn off its screens.


Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.

Smart auto-sleep & power management for developers, laptops & AI agents (Claude Code, Cursor, Aider, VS Code). Automatically sleeps or shuts down when coding tasks finish, plus instant deep sleep on charger unplug. Lightweight (~62 KB) & offline. Built by GMK Solution.



