Zero Cleaner positions itself as a specialized utility application focused exclusively on cache management for Android devices. Developed by Red Soft, the app leverages Android's Accessibility Service API to automate cache clearing operations while maintaining a strict no-data-collection policy. This specialized approach distinguishes it from broader system cleaner applications that often include additional features like RAM boosting or duplicate file removal. The core functionality revolves around comprehensive cache analysis and removal capabilities. The application scans installed applications to identify cache data accumulation, presenting users with both manual selection options and automated clearing schedules. The automated functionality utilizes Accessibility Services to simulate user interactions required for system-level cache permissions, effectively bypassing manual confirmation dialogs. This technical implementation allows for background operation without requiring root access, though it necessitates granting extensive accessibility permissions during setup. User experience centers around a minimalist interface dominated by scan results and cleaning triggers. The floating dock feature provides persistent access to cleaning functions from any screen context, particularly valuable for quick maintenance during multitasking scenarios. Real-world usage patterns suggest optimal utility for devices with limited storage capacity, where frequent cache clearing can reclaim significant space. The detailed history feature provides audit trails of cleaning operations, useful for troubleshooting application issues related to cache deletion. No specific user reviews are available for detailed analysis at this time. The absence of documented user feedback limits objective assessment of real-world performance variations across device models and Android versions. This gap in user-reported data makes comprehensive evaluation of reliability and edge-case behavior challenging to ascertain. Zero Cleaner demonstrates particular strength in focused functionality and privacy-conscious implementation, though dependence on Accessibility Services may raise concerns for security-conscious users. The application appears most suitable for technically proficient users comfortable with granting accessibility permissions who prioritize storage management over multifunctional system optimization. Performance may vary across Android versions due to evolving permission structures and system restrictions on automated functions.