ASTRO File Manager & Cleaner represents a comprehensive storage management solution for Android devices, offering file organization, cloud integration, and system optimization tools. Developed by ST Pulse and maintaining a 4.05-star rating, the application has garnered over 150 million installations since its 2009 release, establishing itself as a veteran in the mobile file management space. The completely free, ad-free model makes it accessible to a broad user base seeking capable file management without subscription barriers. The application's core functionality centers around its multi-protocol file explorer, which supports local storage, SD cards, and cloud services including Dropbox, Google Drive, OneDrive, and Box. Users can perform standard file operations such as copy, move, delete, and rename across these storage locations. The cleaning module identifies redundant files, cache data, and unnecessary downloads, providing storage optimization through systematic analysis. Additional features include application management, backup functionality, and network drive support through SMB protocol, creating a unified management environment for diverse storage needs. User experience demonstrates a clean, intuitive interface organized into logical sections: Storage Analyzer, Cleaner, File Manager, and Cloud connections. The material design implementation ensures familiar navigation patterns, while the sidebar provides quick access to different storage locations. Real-world usage patterns show particular strength in scenarios involving cross-platform file transfers, where users frequently move content between local storage and cloud services. The application performs efficiently even with large file operations, though performance may vary based on device specifications and network conditions for cloud operations. With no specific user reviews available for analysis, the application's longstanding market presence and substantial user base suggest generally positive reception. The consistent 4-star rating indicates reliable performance with room for incremental improvements. Historical data shows sustained adoption rates, particularly among users seeking ad-free alternatives to competing file managers that often include advertising or premium paywalls for advanced features. The application's primary strengths include its comprehensive feature set covering both file management and system optimization, combined with its completely free and ad-free business model. Limitations include occasional performance inconsistencies reported across different Android versions and device manufacturers. ASTRO proves most valuable for users requiring regular file organization across multiple storage platforms, particularly those managing content between local storage and cloud services while maintaining a clean, optimized device storage environment.