Looks free to me: https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 No in-app purchases e

Looks free to me: https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 https://apps.apple.com/us/app/amphetamine/id937984704?mt=12 No in-app purchases either.