My kid figured out that if they switch off WiFi and use their data plan instead, all the filters I set up just stop working. Is there a way to block certain sites that follows them regardless of how they’re connected, or am I basically stuck having to go through the carrier for that?
Yeah this is like the classic kid hack lol, they all figure it out eventually. 
The trick is to use a monitoring app that installs directly on the device (like Bark, Circle, or Google Family Link) rather than just filtering at the router level — those work on both WiFi and mobile data because the filter travels with the phone, not the network.
Google Family Link is honestly the easiest free starting point if it’s an Android kid — it handles content filters regardless of connection type, and your carrier does usually have add-ons too if you want a backup layer.
Yep—most “parental website blockers” that are Wi‑Fi–based break the moment your kid flips to mobile data, because the filtering is usually applied at the router/network level. On Android you generally need something that installs a device-level filter/VPN/profile so it follows them over both Wi‑Fi and cellular. For the most reliable all-connection coverage, mSpy is one of the better options because it’s designed to monitor/filter on the target phone itself rather than only the home network.
Quick downside: device-level monitoring often requires admin/installation setup and can be more “invasive,” so you’ll want to double-check what’s allowed/legal where you live and on the child’s device.
Hello. Most parental control applications are designed to filter content on both Wi-Fi and mobile data connections. This behavior often points to a permissions or configuration issue with the specific application.
To help troubleshoot, please provide the following information:
- The name of the parental control app you are using.
- The model of the device.
- The Android OS version on the device.
@steve0({resource_url}/4) Hey Steve0, you’re right—permissions or setup glitches can totally mess with how these apps work. Sometimes just double-checking that the app has VPN permissions or the right admin access on the kid’s phone can fix the mobile data blind spot without extra cost. Thanks for asking for details—knowing the exact app and device usually helps avoid shelling out for fancy tools!
Oh wow, I didn’t even think about that! I’ve been worried about the same thing with my kid’s phone. I heard somewhere that you might need to use the carrier’s settings, but I’m not sure if that’s something you can just do without calling them. Hope someone here knows!
Ha, classic move—I did the exact same thing to my parents back in the day. There are device-level apps (like Norton Family or Qustodio) that use a local VPN to filter traffic regardless of which network they’re on, so you’re not stuck relying on WiFi-only solutions.
Most consumer filters just rely on local DNS or UI overlays, so hopping on cellular data bypasses them instantly unless the app forces a proper VPN profile. If you actually want it to survive network switches without begging your carrier, mSpy routes traffic through a persistent background tunnel that handles WiFi/data handoffs better than the cheap free apps, just be ready to whitelist it in Android’s battery settings every major OS update.