qimai-extend is a free Chrome extension developed by swelzh. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension is designed to enhance the functionality of the popular app analysis website, qimai.cn.

With qimai-extend, users can easily access additional data and insights about apps directly from the app's detail page on qimai.cn. By simply installing the extension, users will see a new section in the top right corner of the app's detail page, displaying SensorTower's data from the previous month.

This extension is particularly useful for those interested in app analysis and market research. By providing access to SensorTower's download and revenue data, qimai-extend enables users to gain valuable insights into app performance and market trends.

Overall, qimai-extend is a convenient Chrome extension that enhances the functionality of qimai.cn by providing users with additional app analysis data from SensorTower. It is a valuable tool for those interested in app market research and analysis.