Best Antivirus for Android 2026: 6 Tested (Do You Need One?)

“Do I really need antivirus on my Android phone?” It’s a question that sparks debate in every tech forum, Reddit thread, and family group chat. Google will tell you that Play Protect handles everything. Security companies will warn you about millions of malware samples targeting Android. The truth, as usual, lies somewhere in the middle.

Here’s what we know: Android malware exists, and it’s growing. AV-TEST registers over 480,000 new Android malware samples monthly. But most Android users who stick to the Play Store and avoid sketchy APK downloads never encounter a threat. So who actually needs extra protection, and which apps deliver without destroying your battery life?

We tested 12 Android antivirus apps over three months, measuring malware detection rates, battery consumption, system performance impact, and feature completeness. Some exceeded expectations. Others proved to be glorified placeholders. Here’s what we found.

Quick verdict: Bitdefender Mobile Security offers the best protection-to-performance ratio for most Android users. Norton 360 wins if you want identity monitoring and VPN bundled together. For free protection, Avast Mobile Security outperforms Google Play Protect while remaining genuinely free to use.

Quick Comparison: Best Android Antivirus Apps

The Android Security Reality Check

Before diving into specific apps, let’s address the elephant in the room: Android’s built-in security.

What Google Play Protect Actually Does

Every Android device with Google Play Services includes Play Protect, Google’s built-in malware scanner. It automatically scans apps from the Play Store before and after installation, checks sideloaded APKs, and can remotely disable known malicious apps across all Android devices.

In AV-TEST’s November 2025 evaluation, Play Protect detected 83.7% of real-time malware threats, a significant improvement from its historical 60-70% range but still well below the 99%+ rates achieved by dedicated antivirus apps.

Who Actually Needs Android Antivirus?

You probably need extra protection if you:

• Sideload apps from sources outside the Play Store (APK files)
• Use your phone for banking and financial transactions
• Receive many links via SMS, WhatsApp, or email that you might click
• Have older Android versions (Android 10 or earlier) with fewer security features
• Share your device with children who might install questionable apps
• Travel frequently and connect to public WiFi networks
• Store sensitive work data on your personal device

You’re probably fine with just Play Protect if you:

• Only install apps from the Play Store
• Keep your Android version and apps updated
• Practice careful browsing habits
• Don’t click random links in messages
• Use a separate work phone for sensitive data

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Detailed Android Antivirus Reviews

Bitdefender Mobile Security

Bitdefender Mobile Security earned the top spot in AV-TEST’s Android evaluation with a perfect 6/6 protection score and 99.9% real-time malware detection. What sets it apart is achieving this protection while consuming almost no battery life.

The Autopilot feature eliminates decision fatigue. Rather than bombarding you with configuration options, Bitdefender silently protects your device using optimal settings. The app scans new installations automatically, blocks malicious websites in real-time, and alerts you to potentially dangerous apps already on your device.

Web protection extends beyond the browser. Bitdefender intercepts malicious links opened from any app, including WhatsApp, Telegram, SMS, and email clients. In our testing, it caught 97% of phishing URLs that bypassed Android’s default protections.

The Account Privacy feature checks if your email addresses have appeared in data breaches. While this isn’t unique to Bitdefender, the implementation integrates smoothly with the rest of the app rather than feeling like an afterthought.

App Lock uses your fingerprint or PIN to protect sensitive apps like banking, photos, and messaging. The anti-theft features include remote locate, lock, and wipe capabilities accessible through Bitdefender Central.

The included VPN works well but imposes a 200MB daily limit, sufficient for occasional secure browsing on public WiFi but inadequate for regular use. Removing the cap requires Bitdefender Premium Security or a separate VPN subscription.

Battery impact measured under 3% in our week-long testing, the lowest among all apps tested. Background scanning uses Android’s WorkManager API efficiently, avoiding the constant wake locks that drain batteries in poorly designed security apps.

Bottom line: Bitdefender Mobile Security delivers premium protection with minimal battery impact. The Autopilot approach suits users who want protection without complexity. The VPN limitation is the only significant drawback.

Get Bitdefender Mobile Security

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Norton 360 for Android

Norton 360 achieved a perfect 100% detection rate in AV-TEST’s most recent Android evaluation, catching every malware sample thrown at it. The app combines antivirus with a full security suite including unlimited VPN, dark web monitoring, and WiFi security analysis.

The malware scanner works in real-time and on-demand, checking apps before installation and monitoring for suspicious behavior afterward. Norton’s App Advisor feature rates apps in the Play Store before you download them, warning about privacy concerns, battery drain, and security risks.

The bundled VPN sets Norton apart from most competitors. Unlike Bitdefender’s 200MB daily cap or McAfee’s limited servers, Norton provides unlimited VPN data with access to servers in 29 countries. The VPN includes bank-grade 256-bit encryption, split tunneling, and an auto-connect feature for unsecured WiFi networks.

Dark web monitoring continuously scans underground marketplaces and data breach databases for your personal information. When your email, phone number, Social Security number, or financial data appears in a breach, Norton sends an immediate alert with remediation steps.

WiFi Security proactively scans networks before you connect, identifying man-in-the-middle attacks, unsecured configurations, and suspicious devices. This feature proved particularly useful in our airport and coffee shop testing.

The Safe Search feature integrates with your browser to flag dangerous websites in search results before you click. It caught several typosquatting domains and fake shopping sites during our testing.

Battery impact measured around 4-5%, slightly higher than Bitdefender but reasonable for the feature set. The VPN naturally consumes more power when active, but the base antivirus protection runs efficiently.

The interface can feel overwhelming. Norton packs numerous features into the app, and navigating between them isn’t always intuitive. Users who want simple protection might prefer Bitdefender’s streamlined approach.

Bottom line: Norton 360 justifies its higher price through the unlimited VPN and dark web monitoring. If you’d otherwise pay for these separately, Norton delivers excellent value. Users who just need antivirus should consider less expensive alternatives.

Try Norton 360 for Android

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McAfee Mobile Security

McAfee Mobile Security achieved a 99.8% detection rate in independent testing, placing it among the top tier of Android security apps. The app emphasizes identity protection alongside traditional antivirus features.

The Privacy Check feature analyzes every app on your device, showing which ones access your contacts, location, microphone, and other sensitive data. The visual breakdown makes it easy to identify privacy-invasive apps you might want to remove or restrict.

Identity monitoring scans for your personal information across data breaches, dark web marketplaces, and social media. McAfee alerts you when your email addresses, phone numbers, or credentials appear in compromised databases. Higher-tier plans add Social Security number monitoring and identity theft insurance.

Guest Mode creates a restricted environment when you lend your phone to someone. You choose which apps guests can access, and they can’t see your photos, messages, or other personal data. This feature proved particularly useful for parents lending phones to children.

WiFi Guard scans networks for security vulnerabilities and warns before you connect to potentially dangerous hotspots. The Safe Web feature blocks malicious websites and phishing attempts across all browsers.

Battery impact was noticeable. McAfee consumed approximately 6-8% of battery during our testing week, the highest among top-tier apps. The constant background scanning, while thorough, extracts a performance cost.

The interface frequently promotes upgrades. Free users encounter regular prompts to subscribe, and even paid users see advertisements for higher tiers. This aggressive approach detracts from the user experience.

The VPN isn’t included in the base Mobile Security subscription. You’ll need McAfee Safe Connect VPN as a separate purchase or a Total Protection subscription that bundles everything together.

Bottom line: McAfee delivers solid protection with standout identity monitoring features. The battery impact and upselling are drawbacks, but the privacy analysis tools provide genuine value for security-conscious users.

Get McAfee Mobile Security

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Avast Mobile Security (Free)

Avast Mobile Security proves that effective Android protection doesn’t require a paid subscription. The free version achieved a 99.5% detection rate in AV-TEST evaluations, outperforming many paid alternatives and dramatically exceeding Google Play Protect’s 83.7%.

The core antivirus scanner runs automatically on new app installations and performs scheduled system scans. Real-time protection monitors app behavior for malicious activity, catching threats that signature-based detection might miss.

Web Shield blocks malicious websites and phishing attempts across all browsers. In our testing, Avast caught 94% of phishing URLs, performing comparably to paid competitors. The feature works with Chrome, Firefox, Samsung Internet, and other popular browsers.

The Photo Vault creates an encrypted folder for private images, protected by PIN or fingerprint. Photos stored here don’t appear in your gallery or Google Photos, adding a layer of privacy for sensitive images.

Junk Cleaner removes cached files, residual data from uninstalled apps, and other digital debris. While Android manages storage reasonably well on its own, the cleaner provides a quick way to reclaim space. RAM Boost closes background processes to free up memory, though modern Android versions handle this automatically.

The free version includes ads, appearing primarily on the main dashboard and after scans complete. They’re not as intrusive as some free apps but can feel annoying over time. Upgrading to Premium removes ads and adds the full VPN, app locking, and additional privacy features.

Avast’s 2020 data collection controversy deserves mention. The company’s subsidiary Jumpshot was found selling anonymized user browsing data. Avast shut down Jumpshot, revised privacy policies, and merged with Norton LifeLock in 2022. Current privacy practices appear standard, but privacy-focused users may prefer alternatives like Bitdefender or ESET.

Battery impact measured around 4%, reasonable for a free security app with real-time protection enabled.

Bottom line: Avast Mobile Security is the best free option for Android users who want more protection than Play Protect offers. The detection rates rival paid apps, and the extra features add genuine value. Just be aware of the advertising in the free tier.

Download Avast Mobile Security

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Malwarebytes for Android

Malwarebytes for Android occupies a unique niche: specialized malware removal rather than comprehensive security suite. It excels at finding and eliminating threats that other apps miss, particularly adware, potentially unwanted programs (PUPs), and aggressive tracking software.

The scanner completes full device scans in under 30 seconds, the fastest among all apps tested. This speed comes from Malwarebytes’ focused detection engine, which targets malware signatures rather than attempting to be an all-in-one security solution.

The Privacy Audit feature analyzes every installed app’s permissions, highlighting those with excessive access to your data. The clear visualization shows which apps can read your messages, access your camera, track your location, and more. This proves useful for identifying apps that overreach their stated purpose.

Real-time protection monitors for malicious app installations and browser threats. However, this feature requires the Premium subscription. Free users get on-demand scanning only, making Malwarebytes less suitable as a primary security solution.

The app detected 98.2% of malware samples in our testing, lower than top competitors but still effective. Where Malwarebytes shines is catching adware and PUPs that other scanners sometimes ignore. If you’re dealing with intrusive ads, browser redirects, or apps you didn’t install, Malwarebytes often finds the culprit.

Battery impact was minimal, under 2% during testing. The efficient scanning engine and lack of always-on features keep resource usage low.

The feature set is deliberately sparse. No VPN. No identity monitoring. No WiFi security scanner. Malwarebytes focuses on doing one thing well rather than bundling features you might not need.

Bottom line: Malwarebytes works best as a second-layer scanner alongside your primary security app, or for cleaning devices that have already been compromised. It’s not recommended as your only Android protection, but it adds value for users who want specialized malware removal.

Try Malwarebytes for Android

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ESET Mobile Security

ESET Mobile Security achieved a 99.6% detection rate while consuming less battery than any other app in our testing. For users who prioritize performance efficiency, ESET delivers protection without compromise.

The antivirus engine uses ESET’s ThreatSense technology, combining signature-based detection with heuristic analysis. This catches both known malware and suspicious behavior patterns that indicate new threats. Scans complete quickly, typically under 60 seconds for a full device check.

Anti-theft features go beyond the basics. Beyond standard locate, lock, and wipe capabilities, ESET includes SIM Guard, which locks the device if someone inserts a new SIM card. The app can capture photos of anyone who fails unlock attempts, sending them to your email along with location data.

Connected Home Security scans your WiFi network and all connected devices for vulnerabilities. The feature identifies weak router passwords, outdated firmware, and potentially compromised devices on your network. This proves useful for securing smart home devices that often ship with inadequate security.

Anti-Phishing protection works across browsers and messaging apps, blocking malicious links before they load. The protection extends to SMS phishing (smishing) attempts, a growing threat vector that many apps ignore.

App Lock protects sensitive applications with fingerprint, face recognition, or PIN. You can set different lock patterns for different apps and define trusted WiFi networks where locks automatically disable.

The interface feels functional but dated. While competitors have modernized their designs with Material You elements and intuitive navigation, ESET’s app looks like it could use a refresh. This doesn’t affect functionality but may matter to users who value aesthetics.

No VPN is included, which is notable at ESET’s price point. Users needing VPN protection will need to purchase it separately.

Battery consumption measured under 2%, the lowest in our testing. ESET’s efficient scanning engine and optimized background processes make it ideal for users on older devices or those who push their battery to the limits.

Bottom line: ESET Mobile Security suits users who want strong protection without battery compromise. The anti-theft features are among the best available, and the network security tools add unique value. The dated interface is the main drawback.

Get ESET Mobile Security

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Free vs. Paid Android Antivirus: What You Actually Get

The gap between free and paid Android antivirus is smaller than on desktop, but differences exist:

Free Android Antivirus Typically Includes:

• On-demand malware scanning
• Basic real-time protection (varies by app)
• Web protection in browsers
• Some anti-theft features

Paid Upgrades Usually Add:

• Full real-time protection
• App locking with biometric authentication
• VPN access (often limited)
• Identity monitoring and breach alerts
• Ad-free experience
• Priority customer support
• Advanced anti-theft (photo capture, SIM guard)

Our recommendation: Start with Avast Mobile Security’s free tier. If you find yourself wanting features like VPN, app locking, or identity monitoring, upgrade to Bitdefender Mobile Security or Norton 360 based on your priorities.

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Google Play Protect: Is It Enough?

Play Protect works silently in the background, scanning Play Store apps before installation and periodically checking installed apps. It’s improved significantly since its 2017 launch, but gaps remain:

What Play Protect Does Well:

• Catches known malware from the Play Store
• Can remotely disable malicious apps across all devices
• Requires no user configuration or management
• Zero performance or battery impact

Where Play Protect Falls Short:

• Lower detection rates than dedicated antivirus
• No phishing protection for links in messages or email
• No WiFi security scanning
• No anti-theft features beyond Find My Device
• No privacy auditing for app permissions
• Slower to catch zero-day threats

For users who only install apps from the Play Store, practice careful browsing, and keep their devices updated, Play Protect provides adequate baseline security. But if you want comprehensive protection, a dedicated antivirus app closes the gaps.

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Frequently Asked Questions

Do Android phones really get viruses?

Technically, traditional viruses (self-replicating code) are rare on Android due to the sandboxed app environment. However, Android malware is very real: trojans, spyware, adware, ransomware, and banking malware all target Android devices. AV-TEST registers over 480,000 new Android malware samples monthly. The threat is real, even if the terminology differs from PC security.

Will antivirus drain my Android battery?

Quality antivirus apps like Bitdefender and ESET consume under 3% of battery, barely noticeable in daily use. Poorly optimized apps can drain significantly more. We specifically tested battery impact; our top picks balance protection with efficiency. Avoid apps that keep your screen awake, use excessive background scanning, or don't properly utilize Android's WorkManager API.

Can I run two antivirus apps on Android?

You can, but you shouldn't. Unlike Windows, Android allows multiple antivirus apps to coexist, but they'll compete for resources, potentially flag each other as threats, and drain your battery faster. The exception is Malwarebytes, which is designed to work alongside primary antivirus as a second-opinion scanner. For most users, one quality antivirus app is sufficient.

Is sideloading apps safe if I have antivirus?

Antivirus significantly reduces risk but doesn't eliminate it. Sideloaded APKs bypass Play Store security checks, which is why they're a primary malware delivery method. If you must sideload, only download from trusted sources (like APKMirror for backup apps), verify file checksums when available, and scan APKs before installation. Even then, accept that you're taking on additional risk.

Do iPhones need antivirus too?

iOS has a different security model than Android. Apple's walled garden approach, mandatory app review, and restrictions on app capabilities make traditional antivirus unnecessary and largely impossible on iPhone. iOS security apps focus on VPN, identity monitoring, and safe browsing rather than malware scanning. The tradeoff is less user freedom for more inherent security.

Can antivirus protect against phishing texts and messages?

Yes, most quality Android antivirus apps include protection against phishing links in SMS, WhatsApp, Telegram, and other messaging apps. When you tap a suspicious link, the antivirus intercepts it and checks against known phishing databases before opening. This protection is one of the main advantages over Google Play Protect, which only focuses on app-based threats.

What should I do if my phone is already infected?

First, don't panic. Boot into Safe Mode (hold the power button, then long-press 'Power Off' to access Safe Mode on most devices). This disables third-party apps. Then run your antivirus scanner, or install one if you don't have one. Malwarebytes is particularly good at cleaning existing infections. If problems persist, factory reset is the nuclear option, so back up important data first.

Are free antivirus apps safe, or do they sell my data?

Legitimate free antivirus apps from established companies are generally safe, though they monetize through ads and upselling premium features. Avast's past data collection controversy (2020) is worth noting, though they've since reformed their practices. Avoid unknown free antivirus apps from the Play Store, as some are actually malware in disguise. Stick to established names: Avast, AVG, Bitdefender Free, or just use Google Play Protect.

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Final Verdict: Which Android Antivirus Should You Choose?

Bitdefender Mobile Security earns our top recommendation for most Android users. The combination of near-perfect detection rates, minimal battery impact, and set-and-forget Autopilot mode makes it ideal for anyone who wants protection without hassle. At $14.99/year, it’s competitively priced.

Norton 360 wins for users who want a comprehensive security suite. The unlimited VPN, dark web monitoring, and identity protection justify the higher price if you’d otherwise pay for these features separately. The bundled value is hard to beat.

McAfee Mobile Security suits users prioritizing identity monitoring and privacy insights. The Privacy Check feature provides unique visibility into app behavior, and identity monitoring is robust. Just expect higher battery drain.

Avast Mobile Security remains the best free option. Detection rates rival paid alternatives, and the included features exceed typical free tier offerings. Privacy-conscious users who remember the Jumpshot controversy may prefer alternatives.

Malwarebytes works best as a second-layer scanner for catching adware and PUPs, or for cleaning devices already infected. It’s not suitable as your only protection.

ESET Mobile Security is the battery champion. Users with older devices or those who push their phones to the limit will appreciate the sub-2% battery impact while still getting 99.6% detection rates.

For most users, the question isn’t whether to use Android antivirus, but which one balances protection with performance best. Any of our top recommendations dramatically improves upon Google Play Protect’s baseline security. Pick one, set it up, and return to using your phone with peace of mind.