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. | 8.9 Winner in this category | 8.8 |
Total users Total active users across all major browsers: Chrome, Edge, Firefox, and Safari. | 1,000,000 | 53,610,034 Winner in this category |
Total ratings Total number of user ratings received across all supported browsers. | 26,327 | 47,071 Winner in this category |
Average rating Average user rating across all browsers, calculated from available store ratings. | 4.9 ⭐ Winner in this category | 4.2 ⭐ |
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. | ![]() 4.9 4.86 Average Chrome Web Store rating from the last 100 reviews 1.0M+Users Winner in this category | ![]() 4.5 3.70 Average Chrome Web Store rating from the last 100 reviews 38.0M+Users |
Edge User rating and stats for the extension on Edge browser. | - | ![]() 3.9 3.73 Average Microsoft Edge Store rating from the last 100 reviews 14.9M+Users Winner in this category |
Firefox User rating and stats for the extension on Firefox browser. | - | ![]() 4.1 4.16 Average Mozilla Firefox Add-ons Store rating from the last 100 reviews 663.6K+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. | 9.5 The ChatGPT sidebar offers many useful AI functions that help with a wide range of everyday tasks, but can also help in the business sector. ![]() Users can access real-time data with Web Access, which is a huge advantage over other models. The multi-model group chat function enables users to communicate with several AI models at the same time and thus gain different insights. In addition, the tool supports interaction with images and files, allowing users to analyze images and chat directly with PDFs. These worked flawlessly in the test. Winner in this category | 9.5 Grammarly goes beyond basic grammar and spelling checks. It offers advanced features like tone detection, vocabulary enhancement, and generative AI capabilities. Compared to competitors, Grammarly provides a more comprehensive set of tools, making it a valuable asset for any writer. Winner in this category |
Performance Tooltivity's expert score for the 'Performance' aspect of each extension. | 8.0 In testing, the performance of the ChatGPT Sidebar was good. You hardly notice any lag, which ensures a smooth and efficient browsing experience. Only the function of loading marked content directly into the sidebar via a pop-up, asking questions, or summarizing the content had a few problems. Sometimes it was not possible to click on the pop-up after highlighting. | 9.0 Grammarly performs well across different platforms, providing real-time suggestions without significant lag. The tool is reliable and helps improve writing efficiency. Winner in this category |
Design Tooltivity's expert score for the 'Design' aspect of each extension. | 9.0 The ChatGPT sidebar is designed to be intuitive and user-friendly. Even the basic user should have no problems navigating through all the functions. The interface looks modern and aesthetically pleasing. Several customizable settings allow the tool to be adapted individually, but there could be a few more functions here. Winner in this category | 8.5 The design is clean and intuitive, making it easy to navigate. The color-coded underlines for suggestions are helpful, and the interface is user-friendly. However, some users might find the pop-ups slightly intrusive. |
Value for Money Tooltivity's expert score for the 'Value for Money' aspect of each extension. | 8.3 The ChatGPT Sidebar offers a free version with basic features and a limited number of queries. | 8.5 While Grammarly offers a free version, the Premium plan is relatively expensive. However, the advanced features and comprehensive feedback justify the cost for those who need a robust writing assistant. Grammarly is the priciest option for a reason—because, in our view, it's the best writing tool available in its category. If you're looking for the best writing assistant, go for the Premium plan, you won't regret it! Winner in this category |
Ease of Use Tooltivity's expert score for the 'Ease of Use' aspect of each extension. | 9.0 The ChatGPT sidebar offers an uncomplicated setup process, with the basics presented in the tutorial immediately after installation. Every user should have no problem using all the functions here, as they are also very clearly presented. Should questions or problems nevertheless need to be resolved, many users have commented in their reviews on how responsive the support team is. Winner in this category | 9.0 Grammarly is straightforward to use, with a minimal learning curve. The browser extension integrates seamlessly with various platforms like Google Docs and Gmail, allowing you to get started right away. Winner in this category |
Security & Privacy Tooltivity's expert score for the 'Security & Privacy' aspect of each extension. | 9.7 Security and data protection are a top priority in the ChatGPT Sidebar. No personal data is collected in the extension. The user settings are saved locally so that the data remains private. The tool's transparent data protection guidelines and regular security updates set the extension apart from the competition. Winner in this category | 8.0 Grammarly takes privacy seriously, with stringent security measures in place. While an account is required, the company assures users that their data is not sold or made public. However, some users may still have concerns about data processing. |
Conclusion A summary of our findings and final thoughts for each extension. | The ChatGPT Sidebar is the perfect tool to improve productivity by integrating AI into daily browsing. The many features make it a valuable asset for personal and professional use. While it stands out for its functionality and ease of use, the premium price might be too high for regular users. Overall, however, it is a highly recommended tool for anyone who wants to use AI for their daily tasks. | In our eyes, Grammarly is the best choice for anyone who wants to write professional articles or other things in English. Even though Grammarly has an expensice price tag, you can't get anything better on the market. We have been using Grammarly for a long time now. And even in the world of ChatGPT and other AI tools, Grammarly is just super handy and helpful. For us, the Premium plan is worth every penny. This only applies as long as you are in the English-speaking world. If you need other languages, we would recommend LanguageTool instead. |
Our Recommendation | In our comparison between ChatGPT Sidebar and Grammarly, ChatGPT Sidebar came out on top, scoring 8.9. Grammarly is the most widely used, with over 54 million users and 47k+ reviews, but ChatGPT Sidebar outperformed it in our review. User reviews reflect our findings. Notably, ChatGPT Sidebar has the highest user rating in the Chrome Web Store at 4.89, which supports its strong performance in our review. 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, ChatGPT Sidebar is our top pick. But as always, the best choice depends on what matters most to you. |