# Bitdefender Mobile Security vs Avast Mobile Security, Privacy

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). On price, rating, review sentiment and ratings volume there is nothing between them.

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.

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.

Bitdefender Mobile Security ships an update weekly, Avast Mobile Security, Privacy every 3 weeks. Both last shipped on November 13, 2026.

## The numbers

| Metric | Bitdefender Mobile Security | Avast Mobile Security, Privacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (39K ratings)](https://appshunter.io/ios/app/bitdefender-mobile-security/id1255893012/reviews) | **[4.7 (100K ratings)](https://appshunter.io/ios/app/avast-mobile-security-privacy/id1276551855/reviews)** |
| Number of ratings | 39K | **100K** |
| Positive reviews | 46.2% of reviews | **53.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #190 | **#166** |
| Size | 185 MB | 356 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bitdefender SRL](https://appshunter.io/developer/384899757) | [AVAST Software s.r.o](https://appshunter.io/developer/568017534) |

## What reviewers say

### Bitdefender Mobile Security

[App page](https://appshunter.io/ios/app/bitdefender-mobile-security/id1255893012)

**Currently charting:** #190 Top Grossing · Utilities (US App Store)

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:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mobile Security Monthly | $2.99 | per month |
| Monthly Premium VPN | $6.99 | per month |
| Total Security Monthly | $9.99 | per month |
| Mobile Security Yearly | $29.99 | per year |
| Mobile Security Yearly | $29.99 | per year |
| Yearly Premium VPN | $69.99 | per year |
| Total Security Yearly | $109.99 | per year |
| Ultimate Security Individual Yearly | $159.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### Avast Mobile Security, Privacy

[App page](https://appshunter.io/ios/app/avast-mobile-security-privacy/id1276551855)

**Currently charting:** #166 Top Grossing · Utilities (US App Store)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.49 | per month |
| Monthly | $4.99 | per month |
| Yearly subscription | $19.99 | per year |
| Ultimate subscription | $24.99 | per year |
| 1 Year | $28.99 | per year |
| 1 year Ultimate | $29.99 | per year |
| Ultimate subscription | $29.99 | per year |
| Avast Mobile Security Ultimate | $39.99 | per year |
| Ultimate subscription | $39.99 | per year |
| Ultimate subscription | $39.99 | per year |

**What reviewers like**

- 🚀 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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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 13, 2026 and Avast Mobile Security, Privacy on November 13, 2026.

### Which is more popular, Bitdefender Mobile Security or Avast Mobile Security, Privacy?

Bitdefender Mobile Security currently peaks at #190 in the App Store charts, and Avast Mobile Security, Privacy at #166. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*