It has more features. Check https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 for details.

It has more features. Check https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 for details. The one you linked to looks like a simple wrapper of caffeinate(8).