How to block apps from certain times on Android & iPhone? On Android Go into your phone's Settings > Digital Wellbeing & parental controls. There should be a chart with the apps that you can limit.

Program Blocker is a freeware App or Application blocker to block software from running on Windows 11/10. Password-protect it or run it in Hidden Mode.

If you want to block the Roblox website or app, or prevent Roblox from being downloaded on your Windows 11/10 computer, see this post.

Want to stop your Mac apps from automatically accessing the Internet? Radio Silence, a useful firewall tool, can help with that.