# Avigilon Alta Open vs Microsoft Defender

The clearest difference is in-app purchases: Avigilon Alta Open at none against Microsoft Defender's 3. Microsoft Defender's advantage is update cadence (every 2 weeks vs monthly). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Microsoft Defender sells 3 in-app purchases, starting at $6.99 per month. Avigilon Alta Open asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Avigilon Alta Open against 4.7 for Microsoft Defender. Both are backed by a comparable volume of ratings — 17K and 22K respectively. Written reviews are what separate them: 33% of Avigilon Alta Open's written reviews are positive against 34% of Microsoft Defender's.

Avigilon Alta Open ships an update monthly, Microsoft Defender every 2 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Avigilon Alta Open | Microsoft Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/avigilon-alta-open/id1306430829/reviews)** | [4.7 (22K ratings)](https://appshunter.io/ios/app/microsoft-defender-security/id1526737990/reviews) |
| Number of ratings | 17K | **22K** |
| Positive reviews | 32.5% of reviews | **33.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Best chart rank | **#71** | #162 |
| Size | 151 MB | 162 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OpenPath Security, Inc.](https://appshunter.io/developer/1306430828) | [Microsoft Corporation](https://appshunter.io/developer/298856275) |

## What reviewers say

### Avigilon Alta Open

[App page](https://appshunter.io/ios/app/avigilon-alta-open/id1306430829)

**Currently charting:** #71 Top Free · Business (US App Store)

Transform your smartphone into a secure digital key for accessing Avigilon Alta-connected doors. Enjoy convenient touchless unlocking, manage guest access, and view your activity log. This app streamlines entry for authorized users within organizations.

**Highlights:** Phone as a digital key, Touchless wave to unlock, Mobile badge for sign-in, Digital guest pass creation, Remote door unlocking, Activity log, Switch between organizations

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient access
- 🔒 Secure entry
- 👍 User-friendly
- 👍 Reliable functionality

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🔋 Battery drain
- 🔒 Privacy concerns
- 👎 Clunky user experience

**Reported bugs**

- App data randomly clearing
- Bluetooth permission issues
- Location services not working as expected

**Requested features**

- Apple Watch support without phone
- Customizable location tracking
- CarPlay integration
- Streamlined app design


### Microsoft Defender

[App page](https://appshunter.io/ios/app/microsoft-defender-security/id1526737990)

**Currently charting:** #162 Top Grossing · Business, #202 Top Free · Business (US App Store)

This app offers comprehensive online security for individuals and families, providing antivirus scanning, threat monitoring, and identity protection. It helps safeguard personal information by scanning the dark web and offers credit monitoring and identity theft restoration services.

**Highlights:** Antivirus scanning, Threat monitoring, Dark web scanning for identity threats, Credit monitoring, Identity theft restoration, Anti-phishing protection, Multidevice alerts

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Microsoft 365 Personal | $6.99 | per month |
| Microsoft 365 Personal | $9.99 | per month |
| Microsoft 365 Family | $12.99 | per month |

**What reviewers like**

- 🚀 Fast
- 🔒 Security
- 👍 Ease of use

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 High battery drain
- 🔍 Excessive data usage
- 🤖 Compatibility problems
- ⚠️ Disruptive to other apps

**Reported bugs**

- Login issues
- Unexpected app crashes
- Inconsistent behavior after updates

**Requested features**

- Dark mode support
- Customizable VPN settings
- Better integration with other apps


## Frequently asked questions

### Is Avigilon Alta Open free?

Avigilon Alta Open is free to download, with no in-app purchases.

### Is Microsoft Defender free?

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

### Which has better reviews, Avigilon Alta Open or Microsoft Defender?

Avigilon Alta Open is rated higher. Avigilon Alta Open averages 4.8 out of 5 from 17K ratings, while Microsoft Defender averages 4.7 from 22K ratings.

### Do Avigilon Alta Open or Microsoft Defender have ads?

Neither Avigilon Alta Open nor Microsoft Defender shows ads.

### Which is updated more often, Avigilon Alta Open or Microsoft Defender?

Avigilon Alta Open ships an update monthly, and Microsoft Defender every 2 weeks. Most recently, Avigilon Alta Open was updated on October 27, 2026 and Microsoft Defender on October 27, 2026.

### Which is more popular, Avigilon Alta Open or Microsoft Defender?

Avigilon Alta Open currently peaks at #71 in the App Store charts, and Microsoft Defender at #162. 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.*