What's the best Android app for finding and removing duplicate files to free up space?

Mobile File Tools is a file management application that specializes in identifying and eliminating duplicate files, making it ideal for users struggling with cluttered storage. The app scans internal and external storage based on file content, names, or sizes, providing a detailed report of duplicates. Key features include a batch deletion tool that lets users remove multiple files at once, a preview function to verify items before deletion, and storage analysis that shows space saved. In real-world scenarios, such as cleaning up a photo gallery filled with similar images or removing redundant documents, the app helps recover gigabytes of space quickly. Users report that the duplicate detection is accurate and the interface is straightforward, though some note that the free version displays occasional ads. While the app performs well for most file types, it may struggle with deeply nested folders or certain encrypted files. Overall, Mobile File Tools balances functionality with ease of use, offering a practical solution for routine storage maintenance.