Antivirus apps secure your Android from malware

But Avast’s Ultimate program includes a VPN to hide all your online activity. Here are some of the best. We tested several antivirus apps on Android cellphones and tablets to learn, which offer excellent malware protection without causing too much drag on your device. $15 at Google Play

Data shield

Avast Mobile Security Ultimate

The basic version of the app is a free mobile security program that blocks both malware and spam messages. This app uses power management to use little of your phone’s battery to avoid slow down, and connects to Android smartwatches to help remind you to grab your phone or to locate it if it’s left behind. Comprehensive security

Bitdefender Mobile Security

Staff pick

Bitdefender stops malware attacks, has a VPN and web protection that warns of dangerous websites before you visit them. It includes a password manager to keep track of login credentials, and a data shield to protect photos, contact information and other sensitive files from bein…