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Troubleshooting8 min read

Ad Block Apps Not Working in 2025? Exploring the Options

I explore the possible reasons why some ad blocking apps may no longer be working and what alternative solutions are available.

T

The AdBlock Mobile Team

December 17, 2025

I recently stumbled upon a discussion online where someone was expressing frustration that their go-to ad blocking app had stopped working. It’s a common problem, and it got me thinking about the ever-evolving landscape of ad blocking on mobile devices.

Why do ad blockers sometimes stop working, and what are the alternatives when your favorite solution fails? Let’s dive into the potential reasons and explore some options.

Why Ad Blockers Stop Working

There are several reasons why an ad blocker might suddenly become ineffective:

1. Changes in Ad Delivery

Ad networks are constantly adapting their methods to bypass ad blockers. They might switch to new domains, use more sophisticated obfuscation techniques, or even serve ads directly from the same domain as the content (making them harder to distinguish from legitimate content).

2. App Updates and Compatibility

Operating system updates (both iOS and Android) can sometimes introduce changes that break ad blocking apps. Similarly, updates to the ad blocking app itself might introduce bugs or compatibility issues.

3. Domain Blocking Issues

The blocklists used by ad blockers rely on identifying and blocking known ad-serving domains. If these lists aren't regularly updated, they can become outdated and ineffective against new ad networks or techniques.

4. Website Anti-Adblock Measures

Some websites actively detect and block users with ad blockers enabled. They might display a message asking you to disable your ad blocker or even prevent you from accessing the content altogether.

5. Limitations of the Ad Blocking Method

The effectiveness of an ad blocker depends on the method it uses. For example, DNS-based blocking is generally effective, but it might not be able to block ads served from the same domain as the content. Browser extensions are limited to the specific browser they're installed in.

Alternative Ad Blocking Solutions

If your current ad blocker isn't working, don't despair! There are plenty of alternative solutions to explore:

1. Switch to a Different DNS-Based Ad Blocker

If you're currently using one DNS-based ad blocker, try switching to another. Different providers use different blocklists and might be more effective against the specific ads you're seeing. Here are a few top contenders:

NextDNS

Pros:

  • Highly customizable blocklists
  • Detailed analytics
  • Multi-device support
  • Free tier available

Cons:

  • Free tier has query limits
  • Slightly more complex setup

My Take: NextDNS is a powerful option for users who want granular control over their ad blocking. The detailed analytics can help you identify which domains are serving ads and customize your blocklists accordingly.

AdGuard DNS

Pros:

  • Easy setup
  • Good default blocklists
  • Fast servers
  • Family protection option

Cons:

  • Less customizable than NextDNS
  • Basic analytics

My Take: AdGuard DNS is a great choice if you want a simple, set-and-forget solution. It's easy to configure and provides effective ad blocking without requiring much technical knowledge.

Quad9

Pros:

  • Strong focus on security
  • Blocks malware domains
  • Non-profit organization
  • Very fast

Cons:

  • Doesn't block as many ads as other options
  • No customization

My Take: Quad9 is a good option if security is your top priority. While it might not block as many ads as other DNS-based solutions, it provides excellent protection against malware and phishing attempts.

Cloudflare 1.1.1.1

Pros:

  • Extremely fast
  • Privacy-focused
  • Great app interface
  • WARP VPN included

Cons:

  • Doesn't block ads by default
  • Limited customization

My Take: Cloudflare is a solid choice for speed and privacy. To get ad blocking, you'll need to use their "1.1.1.1 for Families" version, which offers basic protection.

2. Use a Browser with Built-In Ad Blocking

Several mobile browsers come with built-in ad blocking features. These browsers can often block ads more effectively than standalone apps because they have deeper integration with the browser engine.

Brave Browser

Pros:

  • Built-in ad blocking
  • Chromium-based
  • Battery efficient

Cons:

  • Can sometimes break website functionality
  • Limited customization

My Take: Brave is a popular choice for users who want a simple, ad-free browsing experience. The built-in ad blocker is generally effective, and the browser is also designed to be more battery efficient than other options.

Firefox with uBlock Origin

Pros:

  • Highly customizable
  • Open-source
  • Powerful ad blocking capabilities

Cons:

  • Requires installing an extension
  • Can be resource-intensive

My Take: Firefox with uBlock Origin is a powerful combination for users who want maximum control over their ad blocking. uBlock Origin is a highly customizable and efficient ad blocker that can block a wide range of ads and trackers.

3. Explore Local VPN Ad Blockers

Local VPN ad blockers create a virtual private network on your device to filter traffic and block ads. These apps can often block ads in apps as well as in browsers.

Blokada

Pros:

  • Open-source
  • No root required
  • Highly customizable
  • Free

Cons:

  • Can sometimes interfere with other VPN apps
  • Requires some technical knowledge to configure

My Take: Blokada is a popular and highly customizable local VPN ad blocker. It's open-source and doesn't require root access, making it a good option for privacy-conscious users.

AdGuard for Android

Pros:

  • Comprehensive ad blocking
  • Customizable filters
  • Premium features available

Cons:

  • Can be resource-intensive
  • Premium features require a subscription

My Take: AdGuard for Android is a powerful ad blocker that offers a wide range of features. It can block ads in apps, browsers, and even system-wide.

4. Use a Content Blocker (iOS)

On iOS, you can use content blockers to block ads in Safari. These apps work by filtering content before it's rendered in the browser.

1Blocker

Pros:

  • Easy to use
  • Customizable filters
  • Regularly updated

Cons:

  • Only works in Safari
  • Can sometimes break website functionality

My Take: 1Blocker is a popular and easy-to-use content blocker for Safari. It offers a range of customizable filters and is regularly updated to block new ads and trackers.

AdGuard for Safari

Pros:

  • Free version available
  • Comprehensive blocking
  • Regular updates

Cons:

  • Only works in Safari
  • Can sometimes slow down browsing

My Take: AdGuard for Safari is another excellent content blocker for Safari. The free version offers comprehensive ad blocking, and the app is regularly updated to block new ads and trackers.

5. Consider a Paid VPN with Ad Blocking

Some VPN providers offer built-in ad blocking features. These VPNs can block ads system-wide and also provide additional privacy and security benefits.

Pros:

  • System-wide ad blocking
  • Increased privacy and security
  • Can bypass geo-restrictions

Cons:

  • Can slow down internet speed
  • Requires a paid subscription
  • Not all VPNs are created equal

My Take: If you're already using a VPN, consider switching to a provider that offers built-in ad blocking. This can provide a convenient and effective way to block ads system-wide.

Why Some Solutions Are Better Than Others

The "best" ad blocking solution depends on your individual needs and preferences. Here’s a quick summary:

  • DNS-based blocking: Best for system-wide ad blocking with minimal performance impact.
  • Browser extensions: Best for granular control over ad blocking in a specific browser.
  • Local VPN apps: Best for blocking ads in apps as well as browsers.
  • Content blockers (iOS): Best for blocking ads in Safari with minimal performance impact.
  • Paid VPNs with ad blocking: Best for system-wide ad blocking with added privacy and security.

Troubleshooting Tips

If your ad blocker isn't working, try these troubleshooting tips:

  • Update your ad blocker: Make sure you're using the latest version of your ad blocking app or extension.
  • Update your blocklists: Ensure your blocklists are up-to-date. Most ad blockers have an option to update blocklists manually.
  • Clear your browser cache and cookies: Clearing your browser cache and cookies can sometimes resolve conflicts with ad blocking extensions.
  • Disable other extensions: Other browser extensions can sometimes interfere with ad blocking extensions. Try disabling other extensions to see if that resolves the issue.
  • Check for website compatibility issues: Some websites might not be compatible with ad blockers. Try disabling your ad blocker on those websites.
  • Switch to a different ad blocker: If all else fails, try switching to a different ad blocker.

The Future of Ad Blocking

The battle between ad blockers and ad networks is likely to continue for the foreseeable future. Ad networks will continue to develop new techniques to bypass ad blockers, and ad blocker developers will continue to adapt their solutions to stay ahead.

It's important to stay informed about the latest ad blocking techniques and to be prepared to switch to a different solution if your current ad blocker stops working.

Ultimately, the goal is to create a better online experience for users by blocking intrusive and annoying ads. By using ad blockers responsibly, we can help to shape the future of online advertising.

I hope this helps clarify the options available if you find your current ad blocking solution is no longer effective. It’s a constantly evolving field, so staying informed is key.

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