CQuanCleaner is an Android all-in-one toolbox designed to clean, optimize, and protect your device. With its small size, it offers an all-round solution to mobile phone jams and slow operation, freeing up space and prolonging battery life. The app includes a powerful junk file scanning engine to remove junk files, ads files, and uninstall apps. It also features a cache cleaner to analyze apps and clean useless application cache files safely. Additionally, it has a memory booster that kills background apps to release memory and speed up your android phone. CQuanCleaner also provides a CPU cooler that cools down your android phone CPU temperature with one tap. Moreover, it has a notification cleaner, app locker, and picture password box to provide comprehensive protection of your privacy life. CQuanCleaner is a free app that helps you protect your privacy life absolutely!