Here is the short answer for the platforms people ask about most.

Anything in the right hand column is self-serve in the HardStop app's Additional Blocking tab. It is unlimited and free. You can block websites on any device (whole sites only on computers) and whole apps on iPhone and iPad.

Platform	By default	If you want it blocked
Instagram, TikTok, Snapchat, Facebook	Not blocked. Adult content or ads that get through are blocked free	Whole app on iPhone and iPad, or the website on computers. Parts like Reels cannot be blocked on their own
YouTube	Not blocked. NSFW getting through is blocked free	The website on any device, or the whole app on iPhone and iPad
Reels, in-app feeds, app features	Cannot be blocked on their own. No partial app blocking exists	Block the whole app instead
X (Twitter)	All images and video blocked, not only NSFW, in the app and in a browser. Text works	Already blocked. Media can be enabled on request, iPhone only
Reddit	All images and video blocked, not only NSFW, in the app and in a browser. Text works	Already blocked. Media can be enabled on request, iPhone only
Tumblr	All images and video blocked, not only NSFW, in the app and in a browser. Text works	Already blocked. Media cannot be enabled again for Tumblr
Bluesky	Not blocked. Adult content through it is blocked free	Whole app on iPhone and iPad, or the website on computers
Google app (iPhone and iPad)	Blocked, because SafeSearch cannot be enforced inside it. Chrome and Safari work	Already blocked. Can be unblocked on request
Grok	Not blocked. It has legitimate uses. Adult output through it is blocked free	Self-serve custom block in the app
Gemini and other AI tools	Not blocked. NSFW or AI porn through them is treated as adult and blocked free	Self-serve custom block in the app
App Store	Cannot be blocked at all, on any device	Not blockable. Block the apps or sites where content gets through instead
Telegram, Threads and Discord	Not blocked. Adult content through them is blocked free	Whole app on iPhone and iPad, or the website on computers
Spotify	Not blocked. It is not an adult service	Self-serve custom block in the app
Tor, Brave, eBay	Not blocked by default	Self-serve custom block in the app. Anything adult that gets through is blocked free

Cannot see what you are looking for? Email support@tryhardstop.com and ask.