Clean Master is an optimization and security app that helps keep your Android device running smoothly. It includes a junk cleaner, RAM booster, and security scanner to help you maintain your device.

CCleaner

CCleaner is a popular system optimization and privacy tool for Windows. The app helps users clean up their PC, free up disk space, and optimize their system performance. CCleaner is also available for Mac and Android devices.

360 Security

360 Security is a comprehensive security and optimization solution for Android devices. It comes with a variety of features, including malware protection, privacy protection, and system optimization.

AppLock

AppLock is a security app developed by DoMobile Lab. It was first released for Android devices in July 2013. The app has a user base of over 50 million. AppLock is a security app that allows you to protect your Android device with a PIN or fingerprint lock. The app can also protect your personal data from hackers and thieves.

DU Speed Booster

DU Speed Booster is an app that is designed to help you speed up your Android device. It includes a variety of features to help you clear out unnecessary files, cache data, and memory. DU Speed Booster can also help protect your privacy by erasing your browsing history and deleted text messages.

Advanced Task Killer

Advanced Task Killer is a popular Android task manager with over 10 million downloads. It helps you kill background tasks and optimize your phone’s memory to improve performance.