Compare LanguageTool and Grammarly: Which Extension is the Best?
| 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. | 8.8 Winner in this category | 8.8 Winner in this category |
| Total users Total active users across all major browsers: Chrome, Edge, Firefox, and Safari. | 4,189,045 | 53,614,754 Winner in this category |
| Total ratings Total number of user ratings received across all supported browsers. | 16,430 | 47,084 Winner in this category |
| Average rating Average user rating across all browsers, calculated from available store ratings. | 4.8 ⭐ 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. |  4.8 4.71 Average Chrome Web Store rating from the last 100 reviews 3.0M+Users Winner in this category | 4.5 3.69 Average Chrome Web Store rating from the last 100 reviews 38.0M+Users |
| Edge User rating and stats for the extension on Edge browser. |  4.8 4.57 Average Microsoft Edge Store rating from the last 100 reviews 810.7K+Users Winner in this category | 3.9 3.70 Average Microsoft Edge Store rating from the last 100 reviews 14.9M+Users |
| Firefox User rating and stats for the extension on Firefox browser. |  4.7 4.43 Average Mozilla Firefox Add-ons Store rating from the last 100 reviews 378.4K+Users Winner in this category | 4.1 4.15 Average Mozilla Firefox Add-ons Store rating from the last 100 reviews 668.3K+Users |
| Safari User rating and stats for the extension on Safari browser. | - | - |
| Features Tooltivity's expert score for the 'Features' aspect of each extension. | 9.0 LanguageTool offers a comprehensive set of features that go beyond basic grammar and spelling checks. It supports over 20 languages, making it a versatile tool for multilingual users. The advanced grammar checks are particularly impressive, catching complex issues that many other tools miss. Compared to competitors like Grammarly, LanguageTool holds its own with unique features like custom dictionaries and plagiarism detection. | 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 LanguageTool does a good job of spotting grammar and style issues. However, it can take a while to process longer texts, and sometimes, clicking on suggestions causes the page to jump to the top, which can be a bit frustrating. | 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. | 8.0 The design is clean and intuitive, making it easy for users to navigate and utilize the tool effectively. The browser integration is seamless, and the user interface is straightforward. | 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. Winner in this category |
| Value for Money Tooltivity's expert score for the 'Value for Money' aspect of each extension. | 9.5 The free version gives you the basics, but the premium version really shines with its advanced features. While Grammarly can be expensive, LanguageTool offers great value at a more affordable price. So, if you’re seeking a budget-friendly alternative to Grammarly, LanguageTool is a solid choice. Winner in this category | 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! |
| Ease of Use Tooltivity's expert score for the 'Ease of Use' aspect of each extension. | 9.0 LanguageTool is very user-friendly, with a minimal learning curve. Most users will find it easy to get started and make the most of its features right out of the box. 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. | 9.5 LanguageTool takes privacy seriously. No account is required for basic features, and the tool ensures that user data is not sold or made public. This focus on privacy is a significant plus. LanguageTool states that it is GDPR compliant which makes it especially interesting for users in Europe. 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. | LanguageTool is a reliable and efficient writing assistant that supports multiple languages. Its advanced grammar and style checks make it a valuable tool for writers and professionals. While the premium version offers excellent features, the free version is somewhat limited. Overall, LanguageTool is a solid choice for anyone looking to improve their writing. Compared to Grammarly, LanguageTool holds its own, especially if you need to write in multiple languages. When it comes to writing in different languages, LanguageTool is the way to go. But if you’re only writing in English, Grammarly still delivers better results. | 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 LanguageTool and Grammarly, all extensions performed equally well, each scoring 8.8. Grammarly is the most widely used, with over 54 million users and 47k+ reviews—and it also delivered the strongest performance in our tests. User reviews reflect our findings. Notably, LanguageTool has the highest user rating in the Chrome Web Store at 4.76, 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.
There's no single winner, so check the categories above to find your best fit. | |
