Comparison

Bitdefender Mobile Security vs Avast Mobile Security, Privacy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bitdefender Mobile Security

This app provides advanced protection against digital threats, including phishing attempts, malicious websites, and data breaches. It offers features like scam protection, web protection, security scans, and account privacy checks to keep your device and personal information safe.

Highlights
  • Scam Protection
  • Web Protection
  • Security Scan
  • Account Privacy
  • Essential VPN Protection
  • Real-time threat monitoring
Features
Read full description

Keep your iPhone secure from digital threats with advanced protection that works quietly in the background. Try all premium features free for 7 days — no credit card required. Here’s what you get: Scam Protection - Instantly identifies and blocks phishing attempts in your messages before you can become a victim. - Automatically detects and removes malicious calendar events, eliminating the frustrating "calendar virus." - Protects your personal information from scammers trying to steal your identity or financial details. - Scam Radar, monitors local scam activity, proactively notifying you when new scam waves start spreading nearby Web Protection - Blocks dangerous websites that attempt to steal your passwords and credit card information. - Prevents apps from connecting to malicious servers. - Stops your personal data from being leaked through unsecured connections. - Protects all internet traffic, not just your browsing — so every app you use stays secure. Security Scan - Identifies hidden vulnerabilities in your device settings with a single tap. - Provides simple fixes for security gaps that could expose your personal information. - Ensures your privacy settings are fully optimised to protect sensitive data and give you peace of mind. Account Privacy - Checks if your email address has been exposed in known data breaches. - Alerts you immediately when it’s time to update compromised passwords. - Helps protect your online accounts from unauthorised access and identity theft. Essential VPN Protection - Shields your browsing activity with 200MB of free daily VPN traffic. - Secures sensitive information when connected to public Wi-Fi networks. - Encrypts all your traffic to protect against hackers, trackers, and snoopers. - Upgrade to Premium VPN for unlimited traffic and access to 3000+ servers in over 100 countries. Why Bitdefender? Bitdefender Mobile Security is built on technologies trusted by millions of users worldwide. Enjoy real-time threat monitoring, proactive privacy protection, and award-winning detection rates — all with minimal impact on your device’s performance and battery life. Think your iPhone doesn’t need protection? Think again. iOS devices are not immune to threats. They can still be exposed to phishing attacks, data leaks, malicious apps, unsafe Wi-Fi connections, and breaches of personal information. Bitdefender Mobile Security helps you close hidden vulnerabilities, protect your online identity, and stay safe wherever you are. Important Information: - The payment will be charged to your iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Subscriptions may be managed and auto-renewal turned off by going to your Account Settings after purchase. - You must have or create a Bitdefender account to use this app. Terms of Use: https://www.bitdefender.com/site/view/subscription-agreement.html Privacy Policy: https://www.bitdefender.com/site/view/legal-privacy-policy-for-home-users-solutions.html Download Bitdefender Mobile Security today and experience premium protection free for 7 days — no credit card required. Stay private, stay protected, stay free — and enjoy your iPhone worry-free.

About

Avast Mobile Security, Privacy

This app offers comprehensive mobile security, protecting against malware, scams, and phishing. It includes features like a VPN for privacy, a Wi-Fi scanner for safe connections, and AI-powered tools to detect and block threats.

Highlights
  • Malware and scam protection
  • VPN for online privacy
  • Wi-Fi security scanner
  • Hack alert for password leaks
  • AI-powered scam detection
  • Email and SMS scam protection
Read full description

Protect against online threats & other types of malware with Avast Mobile Security, our free All-in-one mobile security app for iOS. Trusted by hundreds of millions. Avast Mobile Security is your personal digital guardian; choose protection your way, for your life's online moments.  Avast Mobile Security  - Avast Free Security - Stay safer from scams and malware with award-winning (AV-Comparatives) security that’s free and easy-to-use  - Scam Guardian - Stay safer from scams with expert help  - Avast VPN - Keep your online activities hidden from internet service providers, hackers, and advertisers with our private VPN  - Mobile Security - Keep your device safer against malware with 24/7 protection  - Hack Alert - Stay informed about password leaks  - Network Inspector (Wi-Fi Security) - Confidently connect to Wi-Fi anywhere. Stop hackers from accessing your personal data.  - Secure your device against phishing attacks from emails and infected websites  Scam Guardian  - 24/7 AI-powered scam protection - Web Guard - Advanced AI tools to help keep you safe from hidden scams while browsing, banking, and shopping online. Scan and block malware-infected links, as well as Trojans, adware, and spyware (for privacy and safe web browsing, e.g. Chrome).  - Avast Assistant - Think someone’s trying to scam you? Get answers quickly from Avast Assistant, your built-in AI partner  Scam Guardian Pro  - Call Guard (Call Blocker) - Automatically blocks scam calls and labels if the call is a potential scam, spam, or a verified business - Safe SMS - AI-powered scam protection for every text message  - Email Guard - It flags potential email scams, phishing, and infected attachments so you'll always know what's safe to open. Avast VPN  - Protect your privacy  - Keep your online activities hidden from internet service providers, hackers, and advertisers with our private VPN (Virtual Private Network).  - Use the perfect location for whatever you’re doing  - Connect to over 100 locations worldwide, so you can enjoy what you’re doing more securely and privately.  - Watch shows and sports wherever you are more safely with streaming-optimized servers  About our subscriptions: - Free trial requires activation of annual subscription (see in-app product pricing). During these trial periods, you can cancel anytime free of charge, as long as you do so before the final 24 hours of your trial. - Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - You will be charged for renewal within 24 hours prior to the end of the current period, for the same duration and at the current subscription rate. - Payment will be charged to your App Store Account. - You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. - Cancellation of the current subscription is not allowed during your active subscription period. - Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. * VPN service is not available for use within India as a result of governmental regulations requiring the logging and saving of user data, but you can still use your VPN service when traveling outside of India. Privacy Policy available at https://www.avast.com/privacy-policy Terms and Conditions info at https://www.avast.com/eula

Screenshots

Bitdefender Mobile Security4 screens
Avast Mobile Security, Privacy4 screens

Verdict

The call

The clearest difference is update cadence: Bitdefender Mobile Security at weekly against Avast Mobile Security, Privacy's every 3 weeks. Bitdefender Mobile Security also leads on iOS requirement (13.0 vs 17.0). Avast Mobile Security, Privacy's advantage is chart position (#178 vs unranked). On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bitdefender Mobile Security sells 8 in-app purchases, starting at $2.99 per month and Avast Mobile Security, Privacy sells 10 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Bitdefender Mobile Security against 4.7 for Avast Mobile Security, Privacy. Both are backed by a comparable volume of ratings — 39K and 100K respectively. Written reviews are what separate them: 46% of Bitdefender Mobile Security's written reviews are positive against 54% of Avast Mobile Security, Privacy's.

UpkeepUpdate frequency

Bitdefender Mobile Security ships an update weekly, Avast Mobile Security, Privacy every 3 weeks. Both last shipped on November 12, 2026.

Scorecard3 real differences · 8 level
Bitdefender Mobile Security versus Avast Mobile Security, Privacy: the parameters behind the verdict, then further details
ParameterBitdefender Mobile SecurityAvast Mobile Security, Privacy
PriceFreeFree
Rating4.7 (39K ratings)4.7 (100K ratings) — better
Positive reviews46.2% of reviews53.7% of reviews — better
Number of ratings39K100K — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#178 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size185 MB356 MB
Age rating4+4+
DeveloperBitdefender SRLAVAST Software s.r.o

Customer experience

Bitdefender Mobile Security

All ratings38,620 ratings
Positive92.7%
Neutral3.4%
Negative3.9%
Written reviews1,261 reviews
Positive46.2%
Neutral11.7%
Negative42.1%

Avast Mobile Security, Privacy

All ratings100,087 ratings
Positive94.0%
Neutral3.3%
Negative2.6%
Written reviews1,044 reviews
Positive53.7%
Neutral8.0%
Negative38.2%

User reviews

Bitdefender Mobile Security

From 39K App Store ratings

What we love

  • 🚀 Great security
  • 🔒 Protects against scams and malware
  • 👍 Easy to use
  • 🚀 Reliable VPN connection
  • 🔒 Keeps devices safe

Room to improve

  • 🐛 Frequent disconnections of VPN and web protection
  • 🔋 Drains battery quickly
  • 🐛 Interferes with other apps and services
  • 🐛 Buggy and unreliable
  • 💰 Expensive for limited features

Avast Mobile Security, Privacy

From 100K App Store ratings

What we love

  • 🚀 Excellent security protection
  • 🔒 Reliable virus and malware detection
  • 👍 Easy to use and navigate
  • 🔒 Provides a sense of security and peace of mind
  • 💡 Useful features like photo vault and VPN

Room to improve

  • 🐛 Occasional issues with VPN connectivity and functionality
  • 🔋 Can be resource-intensive and drain battery life
  • 💰 Premium features require paid subscription
  • 🤔 Unclear how effective the free version is for virus/malware removal

Bugs and requests

Bitdefender Mobile Security

Reported bugs

4 issues
  • Web protection randomly turning off
  • VPN connection issues and errors
  • Compatibility problems with iOS devices
  • Subscription and billing problems

Requested features

4 requests
  • Automatic web protection and VPN connection
  • Better integration with other apps
  • More transparent pricing and subscription model
  • Improved customer support

Avast Mobile Security, Privacy

Reported bugs

3 issues
  • VPN repeatedly disconnecting or not working as expected
  • App blocking access to certain websites and apps
  • Inconsistent performance and stability issues

Requested features

3 requests
  • Ability to choose VPN server location
  • More comprehensive scanning and virus removal capabilities
  • Better integration with other security features

In-app purchases

8 purchases

Bitdefender Mobile Security

Subscriptions8
  • Mobile Security Monthly7 Days trial$2.991 Month
  • Monthly Premium VPN$6.991 Month
  • Total Security Monthly7 Days trial$9.991 Month
Show 5 more
  • Mobile Security Yearly14 Days trial$29.991 Year
  • Mobile Security Yearly1 Year trial$29.991 Year
  • Yearly Premium VPN$69.991 Year
  • Total Security Yearly1 Year trial$109.991 Year
  • Ultimate Security Individual Yearly$159.991 Year
10 purchases

Avast Mobile Security, Privacy

Subscriptions10
  • Monthly7 Days trial$2.491 Month
  • Monthly7 Days trial$4.991 Month
  • Yearly subscription14 Days trial$19.991 Year
Show 7 more
  • Ultimate subscription14 Days trial$24.991 Year
  • 1 Year14 Days trial$28.991 Year
  • 1 year Ultimate14 Days trial$29.991 Year
  • Ultimate subscription7 Days trial$29.991 Year
  • Avast Mobile Security Ultimate7 Days trial$39.991 Year
  • Ultimate subscription7 Days trial$39.991 Year
  • Ultimate subscription$39.991 Year

Questions

Is Bitdefender Mobile Security free?
Bitdefender Mobile Security is free to download, with in-app purchases available.
Is Avast Mobile Security, Privacy free?
Avast Mobile Security, Privacy is free to download, with in-app purchases available.
Which has better reviews, Bitdefender Mobile Security or Avast Mobile Security, Privacy?
Avast Mobile Security, Privacy is rated higher. Bitdefender Mobile Security averages 4.7 out of 5 from 39K ratings, while Avast Mobile Security, Privacy averages 4.7 from 100K ratings.
Do Bitdefender Mobile Security or Avast Mobile Security, Privacy have ads?
Neither Bitdefender Mobile Security nor Avast Mobile Security, Privacy shows ads.
Which is updated more often, Bitdefender Mobile Security or Avast Mobile Security, Privacy?
Bitdefender Mobile Security ships an update weekly, and Avast Mobile Security, Privacy every 3 weeks. Most recently, Bitdefender Mobile Security was updated on November 12, 2026 and Avast Mobile Security, Privacy on November 12, 2026.

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