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1. mSecure-Password Manager
Price: US$9.99 and US$19.99
This password and data manager stores sensitive and important information such as Web logins, passwords, credit card numbers and frequent flyer numbers which you can conveniently access on-the-go. The app uses 256-bit Blowfish encryption to safeguard stored data should you misplace the mobile device or it gets stolen.
For US$9.99, users get the mobile app but forking out another US$10 would get them the desktop software in addition to the mobile version and the ability to sync between both platforms over Wi-Fi or via Dropbox.
2. AVG Antivirus
Price: Free; US$9.99 for pro version
Besides the usual scanning of apps, files and media in real-time and protection against phishing attacks, the AVG Antivirus app eliminates tasks that slow down one's device.
Users can also find their lost or stolen smartphones via the app which is integrated with Google Maps, or leave a message with a return address for people who find the phones.
For US$9.99, the AVG Antivirus Pro adds battery and storage optimization, secures apps from being accessed by others, and lets you back up all apps to the user's SD card.
3. Seal App Locker
From Gmail to WhatsApp, Seal can be used to individually lock any app on your phone with a complex or numeric password, or a pattern.
Apps can also be arranged into profiles to be locked and unlocked as a group, and each app can be enabled or disabled easily from the Seal interface by tapping the radio button.