# EventTool Check vs Microsoft Defender

The clearest difference is in-app purchases: EventTool Check at none against Microsoft Defender's 3. EventTool Check also leads on iOS requirement (11.0 vs 17.0). Microsoft Defender's advantage is update cadence (every 2 weeks vs every 6 months) and chart position (#171 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. EventTool Check asks for nothing beyond the download.

EventTool Check ships an update every 6 months, Microsoft Defender every 2 weeks. The most recent releases landed on March 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | EventTool Check | Microsoft Defender |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | — | Subscription |
| Best chart rank | — | **#171** |
| Size | 24 MB | 159 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KBC Global Services NV](https://appshunter.io/developer/458066757) | [Microsoft Corporation](https://appshunter.io/developer/298856275) |

## What reviewers say

### EventTool Check

[App page](https://appshunter.io/ios/app/eventtool-check/id1178294729)

**In-app purchases:** none


### Microsoft Defender

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

**Currently charting:** #171 Top Grossing · Business, #203 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 EventTool Check free?

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

### Is Microsoft Defender free?

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

### Do EventTool Check or Microsoft Defender have ads?

Neither EventTool Check nor Microsoft Defender shows ads.

### Which is updated more often, EventTool Check or Microsoft Defender?

EventTool Check ships an update every 6 months, and Microsoft Defender every 2 weeks. Most recently, EventTool Check was updated on March 25, 2026 and Microsoft Defender on September 26, 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.*