# Microsoft Defender vs Irwin

The clearest difference is in-app purchases: Irwin at none against Microsoft Defender's 3. Irwin also leads on iOS requirement (15.1 vs 17.0). Microsoft Defender's advantage is update cadence (every 2 weeks vs every 6 weeks) and chart position (#158 vs unranked). On price, ads and device support there is nothing between them.

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

Microsoft Defender ships an update every 2 weeks, Irwin every 6 weeks. The most recent releases landed on September 28, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Microsoft Defender | Irwin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21K ratings)](https://appshunter.io/ios/app/microsoft-defender-security/id1526737990/reviews)** | — |
| Number of ratings | **21K** | — |
| Positive reviews | 34.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Subscription | — |
| Best chart rank | **#158** | — |
| Size | 159 MB | 61 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [Platform Group Limited](https://appshunter.io/developer/1575283067) |

## What reviewers say

### Microsoft Defender

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

**Currently charting:** #158 Top Grossing · 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


### Irwin

[App page](https://appshunter.io/ios/app/irwin/id1575283065)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Microsoft Defender free?

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

### Is Irwin free?

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

### Do Microsoft Defender or Irwin have ads?

Neither Microsoft Defender nor Irwin shows ads.

### Which is updated more often, Microsoft Defender or Irwin?

Microsoft Defender ships an update every 2 weeks, and Irwin every 6 weeks. Most recently, Microsoft Defender was updated on September 28, 2026 and Irwin on September 9, 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.*