AdGuard Adblocker is a browser extension with over 14 million users, designed to block ads, enhance privacy, and protect against online threats. Read our detailed review to see how it performs. | ||
Key Features A summary of the most important features offered by each extension. |
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Our Rating Tooltivity's expert review score for each extension, based on hands-on testing and research. | 9.0 Winner in this category | 8.7 |
Total users Total active users across all major browsers: Chrome, Edge, Firefox, and Safari. | 26,844,851 Winner in this category | 8,095,228 |
Total ratings Total number of user ratings received across all supported browsers. | 78,338 | 111,722 Winner in this category |
Average rating Average user rating across all browsers, calculated from available store ratings. | 4.3 ⭐ | 4.9 ⭐ Winner in this category |
Entry Level Price The minimum price required to start using the extension. "Free" means a free tier is available. | Free | Free |
Chrome User rating and stats for the extension on Chrome browser. | ![]() 4.7 4.19 Average Chrome Web Store rating from the last 100 reviews 14.0M+Users | ![]() 4.9 4.80 Average Chrome Web Store rating from the last 100 reviews 5.0M+Users Winner in this category |
Edge User rating and stats for the extension on Edge browser. | ![]() 4.8 4.23 Average Microsoft Edge Store rating from the last 100 reviews 11.4M+Users Winner in this category | ![]() 4.8 4.33 Average Microsoft Edge Store rating from the last 100 reviews 3.1M+Users Winner in this category |
Firefox User rating and stats for the extension on Firefox browser. | ![]() 4.7 4.44 Average Mozilla Firefox Add-ons Store rating from the last 100 reviews 1.5M+Users Winner in this category | - |
Safari User rating and stats for the extension on Safari browser. | - | - |
Features Tooltivity's expert score for the 'Features' aspect of each extension. | 9.3 Ad Blocker:In our tests, ad banners and ad videos were blocked on all websites, including YouTube and Twitch. Blocked ads also include social media widgets and pop-ups, among other things. ![]() Privacy and Malware Protection:The extension blocks tracking by blocking third-party trackers on all websites and protects your personal data. It also detects and blocks malicious websites and spyware. ![]() CustomizableAdGuard Adblocker offers the option of activating or deactivating all functions yourself. | 9.5 Sider offers a comprehensive range of functions and is designed to provide a solution for every possible use of AI. From AI writing assistance to PDF analysis, for example, it covers all areas for every blogger. Creatives also get their money's worth here, whether creating images from text or editing photos, Sider offers these functions in just one tool and integrates the functions of other providers into your one tool. ![]() The number of integrated AI models, such as GPT-4o, Claude, or Gemini, also stands out. This ensures that users have access to the latest technology. ![]() In summary, Sider offers almost all of the current possibilities of AI in one tool. Winner in this category |
Performance Tooltivity's expert score for the 'Performance' aspect of each extension. | 9.0 A recent user complained in a review that it had YouTube problems that affected the performance and speed of the website. In our test, we did not notice any performance problems. The extension generally works quickly and reliably. There are also regular updates, so the problem may already have been solved. | 9.2 Sider generally performs well in the test with fast response times and reliable functions. The integration of multiple AI models ensures that users receive accurate and relevant information. However, there can be occasional delays, especially when using advanced features or at peak times. Continuous updates and optimizations could further improve performance. Winner in this category |
Design Tooltivity's expert score for the 'Design' aspect of each extension. | 9.2 The design is very clear and well-organized. The display of the settings is significant for adblockers. Here, great importance has been attached to user-friendliness and highlighting the customizable settings. Winner in this category | 8.5 The design of Sider is very user-friendly, and the interface is quite clear, so it's easy to find anything. The sidebar is great because you can access features without leaving the page. However, it might feel cluttered for some people as there are so many options. A sleeker design could improve the user experience. |
Value for Money Tooltivity's expert score for the 'Value for Money' aspect of each extension. | 9.2 The free browser extension offers numerous functions that worked perfectly in the test. Compared to competitors, you get many functions here that others offer for a fee. Winner in this category | 7.8 While Sider offers a free version with limited requirements, the premium plans can be expensive for casual users. While the feature set justifies the cost for power users, those who only need basic features may find it expensive. The availability of different pricing tiers offers flexibility, but an intermediate solution with a cheaper option could appeal to a wider audience. |
Ease of Use Tooltivity's expert score for the 'Ease of Use' aspect of each extension. | 9.5 Installation is quick and easy. What impressed us in comparison to other competitors was that AdGuard Adblocker clearly shows which functions it offers and explains them in the introduction, and you can activate them directly if you wish. The extension therefore attaches great importance to ensuring that every user recognizes and uses the options. With competitors, some functions were somewhat hidden in the settings. ![]() Winner in this category | 9.0 In our tests, Sider was easy to use without having to learn how to use it. The tooltips and instructions help you get started right away. It works well in our tests with popular browsers such as Chrome and Edge, which are quick to install and use. However, if you want to delve into the advanced functions, it can take a while to get to grips with everything. Basic users might be a little overwhelmed here. |
Security & Privacy Tooltivity's expert score for the 'Security & Privacy' aspect of each extension. | 8.0 Strong privacy protection by preventing tracking. Also features malware detection and blocking, although public complaints could raise concerns. Winner in this category | 8.0 Sider stores the data on Amazon's US servers. The data protection guidelines are transparent and users have control over their data. However, usage data is collected for analysis purposes, which not every user will find acceptable. The assurance that data is never passed on and no spam messages are sent is a positive aspect. Winner in this category |
Conclusion A summary of our findings and final thoughts for each extension. | AdGuard Adblocker is, in our opinion, a very good ad-blocking tool compared to its competitors, offering a range of features in the free extension that you often have to pay for. In our test, all ads were blocked. Other ad blockers currently fail because of YouTube's advertising videos, but AdGuard currently seems to have this fully under control. Overall, it is the choice for a free browser extension with many features. Finally, we would like to point out that our test is about the browser extension. If you work in different browsers and don't want to install a new extension in each one, or if you work a lot in apps that carry out advertising and tracking, AdGuard Adblocker offers an app for comprehensive security outside the browser. The AdGuard app allows you to block advertising in other apps outside of your web browser, for example, and keep your data secure. Here is an overview of the additional functions: ![]() Currently, you have the opportunity to purchase the app as a lifetime plan. Here you can decide whether the app should be installed on 3 or 9 devices. ![]() | Sider is an AI tool that can significantly increase user productivity across multiple platforms. The high number of features, from writing assistance to image editing, makes it a versatile choice for truly anyone. Although it excels in many areas, there is still room for improvement. In particular, the sometimes high prices will put normal users off. Overall, Sider is a valuable tool for anyone who wants to combine almost all the possibilities of AI in one tool and is willing to pay for it. |
Our Recommendation | In our comparison between AdGuard AdBlocker and Sider, AdGuard AdBlocker came out on top, scoring 9. AdGuard AdBlocker is the most widely used, with over 27 million users and 78k+ reviews—and it also delivered the strongest performance in our tests. User reviews for AdGuard AdBlocker reflect our findings, while we rate Sider lower than users do. Notably, Sider has the highest user rating in the Chrome Web Store at 4.86, which is even higher than our rating of 8.7. In the end, the differences between these extensions are minimal, so your choice may come down to personal preference or specific features.
If you want a quick recommendation, AdGuard AdBlocker is our top pick. But as always, the best choice depends on what matters most to you. |