App blocking · 4 min read · Updated 2026-08-18
How to Block Reddit on Your Child’s Phone
Yes. Screen Time on iPhone or Family Link on Android can stop the Reddit app being installed or used. Device-level DNS filtering can block many Reddit-related domains so the app and reddit.com fail to load normally on that phone. A throwaway account on a friend’s device is outside that rule. Combine OS restrictions with DNS, then test a browser as well as the app.
Reddit is less a single feed than a pile of communities, some wholesome and some explicitly adult. Parents usually want either a full stop on this phone or a reduction in late-night scrolling. Those are different jobs. App limits help with time. DNS filtering helps with whether reddit.com still opens after the icon is gone. Neither one reads usernames, private messages, or which posts were viewed. Keeping that boundary honest avoids buying a monitoring fantasy.
The app, the website, and old.reddit are all clients
The official Reddit app is one client. Safari or Chrome on reddit.com is another. Some people still use old.reddit.com or third-party wrappers. Hiding the official app without a DNS rule often leaves the website working in two taps.
Reddit accounts are easy to create. Blocking this phone does not prevent a new username on a school Chromebook. If the family rule is about the child rather than one handset, say so. How Kids Bypass Parental Controls lists the usual spare-device pattern.
Use the phone’s parental controls for installs and time
On iPhone and iPad, Screen Time can require a parent for new apps, limit Reddit, and lock the passcode. Communication safety features are optional extras; they do not replace a decision about whether Reddit should be present.
On Android, Family Link can manage Play Store installs. Third-party Reddit clients sometimes appear under different names. If the rule is no Reddit, look for those as well as the official icon.
A time limit is the right tool when Reddit is allowed in daylight and not at midnight. A DNS block is the right tool when this phone should not reach Reddit at all. Mixing them without saying which outcome you want produces a confusing setup.
Add DNS filtering for the website and leftover app traffic
Reddit needs lookups to load feeds, media and logins. Device-level DNS filtering can refuse those lookups on Wi-Fi and on cellular when the phone itself uses the filtered resolver.
Because some Reddit communities are adult, this block often sits next to broader web filtering. How to Block Adult Websites on Your Child’s Phone covers category filtering that is not Reddit-specific. DNS still does not read the text of a post; it decides whether the name resolves.
Cached thumbnails can linger. Blocking Reddit-related DNS domains is intended to prevent or substantially disrupt live access; test a login on the child’s actual device. DNS Parental Controls: A Simple Guide for Parents explains the layer.
X is a different firehose
If the concern is short, public, high-volume posts, X (Twitter) is a separate app and website. Blocking Reddit does not block X. How to Block X (Twitter) on Your Child’s Phone is the matching guide.
If Reddit loads again
Open a browser on cellular data as well as the app. Check Screen Time or Family Link, DNS or Private DNS, a VPN, a third-party client, and other devices.
A protection-gap alert does not list which subreddits were opened. It tells you the filtered DNS path may have stopped and that the phone may need a live check.
Where OathSafe fits
OathSafe includes Reddit among the social services parents can block in App Controls. The block uses DNS filtering. OathSafe does not read Reddit posts, comments, chats, or usernames.
Trip Wire is designed to notice when that DNS protection can no longer be verified and to let a parent know it may need attention.
OathSafe is family internet protection for iPhone, iPad and Android. It uses DNS filtering to block unwanted online content and monitors whether that protection appears to stop. It can alert parents when protection cannot be verified, without reading their child's messages or browsing content.
A parent checklist
- Decide whether you want a time limit or a full stop on Reddit for this phone.
- Restrict the official app and new installs with Screen Time or Family Link.
- Look for third-party Reddit clients and browser bookmarks.
- Add device-level DNS filtering to prevent or substantially disrupt reddit.com as well as the app. Test both on the child’s device.
- Test on Wi-Fi and cellular.
- If Reddit returns, check DNS, VPNs, extra clients, and other screens.
Frequently asked questions
If I block the Reddit app, can they still use the website?
Yes, unless you also add DNS filtering and test a browser. The website is a full client.
Does blocking Reddit hide NSFW communities only?
A service block aims to stop Reddit loading on that phone, not to moderate individual communities. Use Reddit’s own account settings if the app is allowed and you only want safer defaults. Use DNS plus app restrictions if the phone should not reach Reddit.
Can a VPN reopen Reddit after a DNS block?
A working VPN can bypass some DNS-based filtering if it uses its own DNS path. Restricting new apps reduces that risk. No DNS-based service can guarantee that an already-installed VPN cannot connect.