SEMrush is a free Android app developed by SEMrush CY LTD, falling under the Business & Productivity category. This app provides an all-in-one solution for tracking keyword positions, generating growth trends, and filtering data. SEMrush allows users to quickly check updates on their top keywords, or use the full list with advanced filters to get the exact data they need.

One of the main features of this app is the ability to see what positions you’ve won or lost in Google’s top 3, 10, 20, or 100 results. Another useful feature is the ability to set a date range to generate the growth trend of your website’s Visibility, Traffic, and Average Position. However, it's important to note that this app requires a pre-setup Position Tracking campaign. Overall, SEMrush is a comprehensive keyword tracking app that can help businesses and individuals track their online presence with ease.