How to Block Inappropriate Content on a Child's Phone

The short version: On an iPhone with iOS 27, open Settings > Family, tap your child, and tap Content & Privacy Restrictions to set age ratings for apps, music, movies, TV and books. Then tap Communication Safety and turn it on, which blurs photos and videos with detected nudity in Messages, AirDrop, FaceTime and more. Website filtering lives under Apps & Websites > Restrictions. On Android, open Family Link, select your child, and tap Controls: Google Play sets content ratings, YouTube sets the content level, and Google Search keeps SafeSearch on. Lock it all behind a passcode your child does not know, and tell them what to do when something slips through.

The first time it happened in our house, the phone was face down on the sofa cushion, and the kid sitting next to it was very quiet in a way that had nothing to do with homework. A friend had sent a video in a group chat. Nobody went looking for it. It just arrived.

We had blocked the apps we worried about. We had set a bedtime. We had not touched the content settings at all, because somewhere in our heads "blocking apps" and "blocking content" had merged into one job. They need separate settings, and this guide covers the content side, device by device.

What "inappropriate content" covers on a phone

A child's phone can show them unwanted things through four doors, and each one has its own setting.

What they download and watch. Apps, games, music with explicit lyrics, films and shows above their age. Age ratings handle this.

What they search for and browse. Search results and websites. SafeSearch and web filters handle this. Our guide to blocking websites for your child covers the web side in full, so this article only touches it.

What other people send them. Photos and videos in messages, AirDrop and video calls. This is the door most parents forget, and the one that surprised us. Apple's Communication Safety handles part of it.

What plays inside apps. A video app with no age filter will show whatever its own recommendations serve. YouTube has its own controls, covered below. Most other apps need their own settings or a decision not to allow them.

How to block inappropriate content on an iPhone or iPad

Apple redesigned its family controls with iOS 27 and iPadOS 27 in September 2026. To use the new layout, Apple says every device in your Family Sharing group needs to be on version 27, and your child needs a Child Account in your group. If a device cannot update, the older Screen Time settings still work, and we cover those at the end of this section.

Apple also turns a lot of this on for you. According to Apple's parental controls guide and its family guide on safety settings, age-based content restrictions and Communication Safety are on by default for Child Accounts under 18, and Limit Adult Websites is on by default too. Ages vary by country. It is still worth opening each screen once, because "on by default" and "set the way you want" are different things.

Set age ratings for apps, music, films and books (iOS 27)

  1. On your iPhone, open Settings, tap Family, then tap your child's name.
  2. Tap Content & Privacy Restrictions. Enter your Screen Time passcode if asked.
  3. Under Content Restrictions, tap a type of content, such as apps, music, TV shows or movies.
  4. Choose a setting: Don't Allow, a specific age rating, Unrated, or Allow All.

These ratings apply to Apple's own stores and apps, like the App Store, Apple Music, the Apple TV app and Books, according to Apple's guide. App age ratings also stop apps above the rating from being installed at all, which our guide to blocking apps on your kid's iPhone covers step by step.

Turn on Communication Safety

Communication Safety is the setting for the third door: what other people send. It uses on-device machine learning to spot photos and videos that appear to contain nudity, blurs them, and shows your child a warning with ways to get help, such as messaging a trusted adult, leaving the conversation, or blocking the contact.

  1. Open Settings, tap Family, then tap your child's name.
  2. Tap Communication Safety, then turn it on.

Apple's Communication Safety page lists where it works on iPhone and iPad: Messages, AirDrop, Contact Posters, FaceTime calls and video messages, shared photo albums, and when your child picks a photo or video to share in some third-party apps. With iOS 27, it also detects gore and violence, though only in FaceTime video messages, not live calls.

Two details matter more than they look:

  • For children under 13, set a Screen Time passcode. With one in place, a child under 13 cannot view the blurred content unless a parent enters the passcode on their device. In iOS 27, Apple added a slider so you can reveal details bit by bit before deciding, without seeing the whole thing.
  • Apple does not see the photos. The check happens on your child's device, and Apple says it receives no indication that anything was detected. Your child can choose to report nudity in an iMessage or FaceTime video call to Apple, which sends that content to Apple for review.

Communication Safety only covers Apple's apps and the third-party apps that use it. A photo sent inside a chat app that does not use it arrives unfiltered. That is one more reason to be choosy about which messaging apps a young child has.

Filter websites and search

On iOS 27, tap Apps & Websites under your child's name, then Restrictions, then Filtering under Websites, and choose Limit Adult Websites or Approved Websites Only. The second one turns on Ask to Browse, so your child sends you a request for every new site. Our website blocking guide walks through both, plus the router-level filter that covers every device on your home Wi-Fi.

Siri, Game Center and private messages in games

Under Content & Privacy Restrictions, tap Siri to allow or block categories like Writing Assistance or Image Creation. Under Apps & Websites > Restrictions, scroll to Game Center to block things like Private Messaging and Connect with Friends. Both paths come from Apple's parental controls guide. If your child plays games with strangers, the Game Center settings are worth a look.

On iOS 26 or earlier

Go to Settings > Screen Time and tap your child's name. Tap Content & Privacy Restrictions, turn it on, then tap App Store, Media, Web, & Games to set age ratings for apps, music, films, TV and books, and to choose a web content filter. For Communication Safety, Apple's Communication Safety page gives the path as Settings > Screen Time, then your child's name, then Communication Safety.

How to block inappropriate content on Android

Google Family Link manages content on a supervised Google Account. All of the steps below start in the Family Link app on your phone.

Google Play content ratings

  1. Open Family Link and select your child.
  2. Tap Controls, then Google Play.
  3. Tap a type of content, such as apps and games, films or books.
  4. Choose how to filter or restrict it, usually by the highest rating you want to allow.

Google's Play content restrictions guide is candid about one gap: restrictions "don't prevent restricted content as a search result or through a direct link." So the ratings stop downloads and purchases, and the search and web filters below do the rest.

YouTube and YouTube Kids

In Family Link, tap Controls, then YouTube. What you see depends on which version your child uses, per Google's YouTube options guide:

  • YouTube Kids lets you choose a content level, switch search on or off, and unblock videos you blocked earlier. It is the tighter option, built for younger children.
  • A supervised YouTube account lets you choose one of three content levels: Older kids, Teens, or Older teens. It is meant for children moving on from YouTube Kids.

Google notes that once a child over 13 (or the age that applies where you live) chooses to manage their own account, these YouTube controls stop applying. Videos you block on YouTube Kids stay blocked on their supervised account too.

SafeSearch and Chrome

Google says SafeSearch is turned on and locked by default for a supervised child's account, so explicit results are filtered in Google Search and your child cannot turn it off. You can check it under Controls > Google Search. Google lists two cases where it cannot enforce the setting: when your child is not signed in to their own account, and when an alternative search app is installed.

For websites, go to Controls > Google Chrome and Web and choose Try to block explicit sites or Only allow approved sites. The website guide has the details.

What no filter catches

We wish this section were shorter.

Content inside apps you allowed. A game rated for nine-year-olds can still have an open chat. A video app with weak moderation can serve anything. Age ratings judge the app, while the content inside it changes daily. Before you say yes to an app, open it yourself for ten minutes.

Other people's phones. The most common route for upsetting content in our experience is a friend's screen on the bus. No setting on your child's phone reaches that.

Signed-out and secondary accounts. Google's SafeSearch lock and YouTube controls only work while your child is signed in to their supervised account. A second account, or a browser where they are signed out, sits outside them.

Messages in apps that do not check. Communication Safety works in Apple's apps and the third-party apps that use it. Others are on their own.

This is why the AAP's guidance on media puts so much weight on talking. Its 5 Cs of media use asks parents to think about content and communication alongside time, and our screen time by age guide shows how the conversation changes from age 6 to 16.

Making it hold

Keep the passcode to yourself. On iPhone, the Screen Time passcode protects every setting in this guide, and it is separate from the code that unlocks your child's phone. On Android, Family Link changes need your own Google account password. Type both with your hand over the screen. Children are excellent at watching thumbs.

Agree on the one rule that matters most. Ours is a single sentence: if you see something that upsets you, put the phone down and come and tell us, and you will not be in trouble. A child who expects to lose the phone for reporting a video stops reporting them. Communication Safety backs this up by prompting children under 13 to message a parent.

Check every few months. New apps arrive, children get older, and default settings change with software updates. A quick look at the Content & Privacy screen in September and January catches most drift.

Where time fits in

Content filters decide what your child can see. They say nothing about how long they spend looking, and in our house the long, perfectly appropriate evenings caused more arguments than anything a filter caught. Our pillar guide on reducing screen time without battles covers that side.

Unglue works on time, and it does not filter content. It blocks the apps your child chooses until they earn minutes with real-life habits, like a walk or homework, and on iPhone it uses Apple's Screen Time framework, so it sits alongside the content settings above without fighting them. Yes, it is an app for helping kids use apps less. We notice the irony too. The parents page shows how families set it up.

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Common questions

How do I block inappropriate content on my child's iPhone for free?

Use Apple's built-in controls. On iOS 27, open Settings > Family, tap your child, and set age ratings under Content & Privacy Restrictions, then turn on Communication Safety and choose a website filter under Apps & Websites > Restrictions. None of it costs anything, and much of it is on by default for Child Accounts.

Can I block inappropriate content on my child's phone from my own phone?

Yes. On iPhone, every setting in this guide can be changed from Settings > Family on your own iPhone, as long as your child has a Child Account in your Family Sharing group. On Android, use the Family Link app on your phone.

Does Communication Safety let me see my child's messages?

No. Apple says the check runs on your child's device and Apple does not receive the photos or any signal that something was detected. You are involved only when a child under 13 asks to view blurred content, which needs your Screen Time passcode, or when your child chooses to message you.

Does Family Link block inappropriate content in every app?

No. Family Link sets ratings for Google Play downloads, controls YouTube and YouTube Kids, locks SafeSearch, and filters Chrome. Content inside other apps follows those apps' own rules. Google also notes that Play ratings do not hide restricted content in search results or direct links.

What age rating should I set on my child's phone?

Start with the rating that matches their age and adjust as they show you they are ready. Apple and Google both set age-based defaults for Child Accounts, which is a reasonable starting point. Reviewing new app requests together is the habit that keeps the setting useful.

What should I do if my child has already seen something inappropriate?

Stay calm, thank them for telling you, and ask what they saw and how it made them feel. Then check which door it came through (a download, a search, a message, or an app) and tighten that setting. If someone sent it to them, you can block the contact, and on Apple devices your child can report nudity in an iMessage or FaceTime video call to Apple.

Sources

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