2025-03-23 00:00:00 About This AppLock - Fingerprint AppLock basically use to secure your personal data and your private social media apps. AppLock can secure multiple times wrong attempted security PIN and warn by loud warning tones. To secure your application with your personal data. ☞ AppLock can lock Facebook, WhatsApp, Gallery, Messenger, Snapchat, Instagram, SMS, Contacts, Gmail, Settings, incoming calls and any app you choose.