Where the pop-up ads are coming from
Pop-up ads on your tablet usually come from one of three places: websites you visit, apps you have installed, or malware that has gotten onto your device. The most common source is a website with aggressive advertising — when you tap a link or even just scroll, the site triggers an ad to appear. Some of these are legitimate ads from the website's ad network. Others are deceptive ads designed to look like system warnings or read buttons, meant to trick you into tapping them.
The second source is apps themselves. Free apps often show ads as their way of making money. Some apps show ads only occasionally; others show them constantly, especially if you have not paid for a premium version. The third source — malware or adware — is less common on tablets than on computers, but it does happen. Adware is software designed specifically to display ads, and it can install itself when you read an app from an untrusted source or when a website tricks you into installing something.
Key Takeaways
- Pop-ups from websites are usually the result of visiting sites with aggressive ad networks, and closing them by tapping the X button is the fastest solution.
- Free apps show ads by design, but if ads appear when the app is closed or ads are unusually frequent, the app itself may be the problem.
- Clearing your browser cache and cookies removes tracking data that advertisers use to follow you across websites.
- Installing a reputable ad blocker in your browser can reduce pop-ups from websites, though it will not stop ads inside apps.
- If pop-ups continue after closing apps and clearing your browser, your tablet may have adware, and you should restart it in Safe Mode to identify the culprit.
How to close pop-ups without accidentally tapping the ad
When a pop-up appears, your instinct is usually to tap it to make it go away. That is exactly what the ad wants you to do. Instead, look for a small X button, usually in the top-left or top-right corner of the pop-up window. Tap that X to close the ad without triggering it.
If there is no visible X button, the pop-up may be a fake system warning designed to look official. These often say things like "Your device is infected" or "Update required now." Do not tap anything on the pop-up. Instead, press your tablet's back button or home button to close it, or swipe up from the bottom to return to your home screen. The warning is almost always fake.
Clearing your browser's cache and cookies
Your tablet's web browser stores information about the websites you visit — this includes cookies, which are small files that track your activity. Advertisers use these cookies to follow you across different websites and show you targeted ads. Clearing this data removes that tracking information and often reduces the number of ads you see.
On an iPad, open Safari, tap the tabs icon (two overlapping squares), then tap History at the bottom. Tap "Clear History and Website Data," choose a time range (usually "All time"), and tap Clear. On an Android tablet, open Chrome, tap the three-dot menu, go to Settings, then Privacy, and tap "Clear browsing data." Check Cookies and cached images, then tap Clear data.
You will need to do this occasionally — once a month is reasonable if you browse frequently. Clearing your cache will log you out of some websites, so be prepared to sign back in.
Identifying which app is showing the ads
If pop-ups appear even when you are not using your browser, an app on your tablet is likely the source. To find out which one, pay attention to when the ads appear. Do they show up only when you open a specific app? Or do they appear on your home screen or lock screen, even when no app is running?
If ads appear only inside one app, that app is showing them intentionally — this is normal for free apps. You can either accept the ads, pay for a premium version if one exists, or uninstall the app. If ads appear on your home screen or lock screen, or if they pop up when no app is open, you likely have adware. Go to Settings, then Apps (or process Manager on Android), and look through the list for anything unfamiliar or anything you do not remember installing. Tap it and select Uninstall.
Using an ad blocker in your browser
An ad blocker is software that prevents ads from loading on websites. Popular options include AdBlock Plus and uBlock Origin, both available free in the App Store or Google Play. These blockers work inside your browser only — they will not stop ads inside apps, but they will reduce pop-ups and banner ads on websites significantly.
Install the blocker, then open your browser settings and enable it. Some websites will ask you to disable the blocker to view their content; you can usually do this by tapping a button on the page. Ad blockers do occasionally break websites, so if a page does not load properly, try disabling the blocker temporarily.
Restarting your tablet in Safe Mode to find adware
If pop-ups continue after you have cleared your browser data and checked your apps, your tablet may have adware that is harder to spot. Safe Mode is a diagnostic mode that loads only the essential software your tablet needs to run — any adware or problematic app will not load. If the pop-ups stop in Safe Mode, you know an app is responsible.
On an iPad, restart the device normally, then hold the power button until "Slide to power off" appears. Release the power button, then hold the volume-up button while the device powers off. Keep holding volume-up until you see the Apple logo and the device finishes starting. On Android, hold the power button until the power menu appears, then press and hold "Power off" until Safe Mode appears. Tap Safe Mode.
Once in Safe Mode, use your tablet normally for a few minutes. If no pop-ups appear, restart normally and begin uninstalling apps one at a time, restarting between each removal, until the pop-ups return. The last app you uninstalled is the culprit. If pop-ups continue in Safe Mode, the problem is likely your browser or a website, not an app.
When to restart your tablet completely
Sometimes pop-ups are caused by a temporary glitch in your browser or operating system. A full restart often clears these. Power off your tablet completely, wait 30 seconds, then power it back on. This is different from just locking the screen — you need a full shutdown and restart.
If pop-ups return after a restart, they are not a temporary glitch. Move on to the other steps in this guide. If they do not return, the problem was likely a browser cache issue or a temporary software conflict, and you can monitor whether it happens again.
Frequently Asked Questions
Can I block pop-ups in my browser settings?
Yes. On iPad, open Settings, then Safari, and toggle "Block Pop-ups" on. On Android Chrome, open the three-dot menu, go to Settings, then Site settings, and toggle "Pop-ups and redirects" off. These settings block most pop-ups, though some aggressive sites may still get through.
Is it safe to tap "close" or "X" on a pop-up ad?
Tapping the X button is safe — that is what it is designed for. The danger is tapping anywhere else on the pop-up, which may trigger the ad or read something. If you cannot find an X button and the pop-up looks suspicious, use your back button or home button instead.
Why do I see ads for things I just looked up?
Advertisers use cookies and tracking pixels to follow your browsing history across websites. When you search for something, that information is stored and used to show you related ads later. Clearing your cookies and using private browsing mode (Incognito on Chrome, Private on Safari) reduces this tracking.
Do I need to uninstall an app if it shows ads?
Not unless the ads bother you. Free apps show ads as their business model. If an app shows ads only inside itself and not on your home screen, it is working normally. Uninstall it only if you prefer not to see ads, or if a paid version exists that you would rather use.
What if pop-ups come back after I uninstall an app?
Restart your tablet in Safe Mode again to confirm the pop-ups are gone. If they return, a different app is responsible. Go through your app list and uninstall anything unfamiliar or anything you do not use regularly. If you cannot identify the problem, consider backing up your data and doing a factory reset, which erases everything and reinstalls the operating system fresh.