# Acronis Mobile vs Bitdefender Mobile Security

The clearest difference is rating: Bitdefender Mobile Security at 4.7 against Acronis Mobile's 4.2. Bitdefender Mobile Security also leads on update cadence (weekly vs every 2 months) and ratings volume (37K vs 829). Acronis Mobile's advantage is in-app purchases (none vs 8). On price, ads and device support there is nothing between them.

Both are free to download. Bitdefender Mobile Security sells 8 in-app purchases, starting at $3.99 per month. Acronis Mobile asks for nothing beyond the download.

Bitdefender Mobile Security holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Bitdefender Mobile Security has 37K ratings behind it against 829, so its average is the more settled of the two. Written reviews point the same way: 33% of Acronis Mobile's written reviews are positive against 46% of Bitdefender Mobile Security's.

Acronis Mobile ships an update every 2 months, Bitdefender Mobile Security weekly. Both last shipped on October 15, 2026.

## The numbers

| Metric | Acronis Mobile | Bitdefender Mobile Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (829 ratings)](https://appshunter.io/ios/app/acronis-mobile/id978342143/reviews) | **[4.7 (37K ratings)](https://appshunter.io/ios/app/bitdefender-mobile-security/id1255893012/reviews)** |
| Number of ratings | 829 | **37K** |
| Positive reviews | 32.6% of reviews | **46.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#177** |
| Size | 17 MB | 184 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Acronis, Inc.](https://appshunter.io/developer/486764450) | [Bitdefender SRL](https://appshunter.io/developer/384899757) |

## What reviewers say

### Acronis Mobile

[App page](https://appshunter.io/ios/app/acronis-mobile/id978342143)

Safeguard your mobile data with comprehensive backup solutions. Protect contacts, photos, videos, and more against loss or attacks. Back up to the cloud and your computer simultaneously for complete peace of mind.

**Highlights:** Backup contacts, photos, videos, calendars, reminders, Simultaneous cloud and local computer backup, Browse backup files for item recovery, Encrypt mobile backups for privacy, Manage backups via user-friendly dashboard, Continuous backup while charging, Wi-Fi only backup option

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast backup
- 👍 Simple and easy to use
- 🔒 Secure backup to cloud
- 💡 Backup to NAS

**What reviewers complain about**

- 🐛 Frequent backup failures
- 🐛 Unreliable restore functionality
- 🐛 Compatibility issues with newer devices
- 🔋 Slow backup speeds
- ⚠️ Discontinued NAS backup support

**Reported bugs**

- Login/password issues
- Backup process getting stuck
- Contacts not backed up completely

**Requested features**

- Option to specify backup folder location on NAS
- Backup of app data and settings
- Landscape mode support for iPad
- Ability to search and browse backed up files


### Bitdefender Mobile Security

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

**Currently charting:** #177 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 Acronis Mobile free?

Acronis Mobile is free to download, with no in-app purchases.

### Is Bitdefender Mobile Security free?

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

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

Bitdefender Mobile Security is rated higher. Acronis Mobile averages 4.2 out of 5 from 829 ratings, while Bitdefender Mobile Security averages 4.7 from 37K ratings.

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

Neither Acronis Mobile nor Bitdefender Mobile Security shows ads.

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

Acronis Mobile ships an update every 2 months, and Bitdefender Mobile Security weekly. Most recently, Acronis Mobile was updated on October 15, 2026 and Bitdefender Mobile Security on October 15, 2026.

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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.*