10 of 10Image
9. History Eraser by InfoLife (China)
Price: Free; US$4.99 for pro version
A system optimization and privacy tool, History Eraser clears up storage and erases any activity history from one's browser and call logs to text messages and app caches.
10. King Kong Lock by King Kong Lock (China)
Customize your device's privacy settings with this app, which is especially important if there are sensitive work and personal data stored on it. You can lock apps, files, images, and even call logs, and choose various modes for unlocking them such as passwords or patterns.