Microsoft Authenticator for Android enables secure logins for online accounts using multi-factor authentication, passwordless sign-ins, and password autofill.

Malwarebytes Mobile Security for Android protects your phone or tablet from malware, infected apps, and unauthorized surveillance.

Avast! Mobile Security & Antivirus for Android protects your Android phone and tablet with top-rated free mobile security apps with antivirus and anti-theft.

Permission Slip for Android is a helpful tool for Android devices that enables you to manage and control the personal data that companies have about you.

Kaspersky Antivirus & Security for Android helps protect your Android devices from viruses, malware, spyware, trojans and more.

Emsisoft Mobile Security for Android targets threats of all types malware allowing you to use your device with confidence.

ESET Mobile Security & Antivirus for Android will protect your smartphone or tablet and allow you to enjoy the web with confidence.

Bitdefender Antivirus Free for Android will arm your Android device with the very latest industry leading virus detection.

AVL for Android is barebones malware protection for your Android device.

AVG Antivirus Free is a free security solution that protects your phone from viruses, malware, spyware & online exploitation in real-time.

KeePassDroid is the same as KeePass Password Safe for the PC except for Android.

Home Security Camera - Alfred allows you to continue using your old smartphone or tablet by turning them into a security camera.

Zoner AntiVirus for Android provides protection against viruses, dialers, trojans, worms, spyware, adware and other malware as well as phone call and message protection.

Haven for Android allows you to transform an old or extra phone into a motion/light/sound/vibration security sensor that can detect intruders.

Hiya - Caller ID & Block for Android is an easy-to-use call block security app will help block those unwanted texts and calls.

AppLock for Android can lock SMS, Contacts, Gmail, Facebook, Gallery, Market, Settings, Calls and any app you choose, with abundant options, protecting your privacy.

IObit Applock locks and unlocks apps with AI and facial recognition tech providing a useful defense against unauthorized access to your Android device.

Should I Answer? for Android is a mobile security application that helps weed out unsolicited, expensive, unwanted or unknown calls as well as other useful features that make it more than just a call blocker.

SMS Encryption for Android enables you to send and receive encrypted messages using AES algorithms.

Avira AppLock+ for Android is a useful app for locking up important sections of your device keeping them safe.

Sophos Free Antivirus and Security for Android comprehensively protects your Android device and your privacy without impacting performance or battery life.

Where's My Droid gives you the freedom and peace of mind to track your phone from anywhere, either with a text messaged attention word or though the online control center known as Commander.

Mr. Number is an app to help protect you against annoying unwanted calls as well as identifying and stopping various types of scam, spam or fraud calls.

Orbot: Proxy with Tor for Android is a free proxy app that empowers other apps to use the internet more securely, it uses Tor to encrypt your Internet traffic and then hides it by bouncing through a series of computers around the world.