# F vs Bitdefender Mobile Security

The clearest difference is monetization model: Bitdefender Mobile Security at free with in-app purchases against F's subscription. Bitdefender Mobile Security also leads on update cadence (weekly vs every 6 weeks). F's advantage is review sentiment (57% vs 46%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. F sells 10 in-app purchases, starting at $2.99 per month and Bitdefender Mobile Security sells 8 in-app purchases, starting at $3.99 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 — 4.6 for F against 4.7 for Bitdefender Mobile Security. Both are backed by a comparable volume of ratings — 107K and 37K respectively. Written reviews are what separate them: 57% of F's written reviews are positive against 46% of Bitdefender Mobile Security's.

F ships an update every 6 weeks, Bitdefender Mobile Security weekly. Both last shipped on September 27, 2026.

## The numbers

| Metric | F | Bitdefender Mobile Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (107K ratings)](https://appshunter.io/ios/app/f-secure-mobile-security/id434893913/reviews) | **[4.7 (37K ratings)](https://appshunter.io/ios/app/bitdefender-mobile-security/id1255893012/reviews)** |
| Number of ratings | **107K** | 37K |
| Positive reviews | **57.3% of reviews** | 46.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | #183 | **#174** |
| Size | 104 MB | 184 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-Secure Corporation](https://appshunter.io/developer/425351654) | [Bitdefender SRL](https://appshunter.io/developer/384899757) |

## What reviewers say

### F

[App page](https://appshunter.io/ios/app/f-secure-mobile-security/id434893913)

**Currently charting:** #183 Top Grossing · Utilities (US App Store)

This app offers comprehensive mobile security and identity protection. It safeguards your devices from malware, spyware, and phishing attacks, while also providing features to prevent data theft and monitor for data breaches. Enjoy secure browsing and Wi-Fi protection for peace of mind.

**Highlights:** Malware, spyware, adware, and phishing protection, Device location tracking and remote lock/wipe, Data breach alerts and identity theft protection, Secure Wi-Fi and safe browsing with VPN, Low battery location saving (Signal Flare)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lookout Premium | $2.99 | per month |
| Mobile Security Premium | $4.99 | per month |
| Lookout Premium Plus | $9.99 | per month |
| Lookout Premium Plus Trial | $9.99 | per month |
| Lookout Premium Plus | $9.99 | per month |
| Lookout Premium | $29.99 | per year |
| Lookout Premium | $29.99 | per year |
| Lookout Premium Plus | $59.99 | per year |
| Lookout Premium Plus | $99.99 | per year |
| Lookout Premium Plus | $99.99 | per year |

**What reviewers like**

- 🚀 Exceptional app
- 🔒 Safe and secure
- 🔒 Excellent protection
- 🚀 Reliable and stable
- 🔒 Keeping me safe online

**What reviewers complain about**

- 🐛 Crashes all the time
- 🐛 Not working
- 🐛 Lookout upgrades without consent
- 🐛 Impossible to cancel
- 🐛 Cancels ad-blockers

**Reported bugs**

- Lookout app not working on iPhone 11
- Notifications not working
- Subscription issues
- Locating feature not working
- VPN disconnection issues

**Requested features**

- Ability to contact support
- Malware detection and removal
- Real-time phone/app scanning
- Security report generation
- Dark mode option


### Bitdefender Mobile Security

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

**Currently charting:** #174 Top Grossing · Utilities (US App Store)

Safeguard your iPhone from phishing, malicious websites, and data breaches. This app offers real-time threat monitoring, security scans, and account privacy checks to protect your personal information and online identity.

**Highlights:** Scam Alert for phishing, Web Protection against dangerous sites, Security Scan for vulnerabilities, Account Privacy breach checks, Essential VPN Protection, Real-time threat monitoring

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mobile Security Monthly | $3.99 | 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


## Frequently asked questions

### Is F free?

F is free to download, with in-app purchases available.

### Is Bitdefender Mobile Security free?

Bitdefender Mobile Security is free to download, with in-app purchases available.

### Which has better reviews, F or Bitdefender Mobile Security?

Bitdefender Mobile Security is rated higher. F averages 4.6 out of 5 from 107K ratings, while Bitdefender Mobile Security averages 4.7 from 37K ratings.

### Do F or Bitdefender Mobile Security have ads?

Neither F nor Bitdefender Mobile Security shows ads.

### Which is updated more often, F or Bitdefender Mobile Security?

F ships an update every 6 weeks, and Bitdefender Mobile Security weekly. Most recently, F was updated on September 27, 2026 and Bitdefender Mobile Security on September 27, 2026.

### Which is more popular, F or Bitdefender Mobile Security?

F currently peaks at #183 in the App Store charts, and Bitdefender Mobile Security at #174. 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.*