# ScanMaster vs Shutterguard 防偷拍針孔檢查

The clearest difference is update cadence: Shutterguard 防偷拍針孔檢查 at every 8 days against ScanMaster's every 5 weeks. ScanMaster's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ScanMaster sells 5 in-app purchases, starting at $3.99 per 7 days and Shutterguard 防偷拍針孔檢查 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScanMaster ships an update every 5 weeks, Shutterguard 防偷拍針孔檢查 every 8 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ScanMaster | Shutterguard 防偷拍針孔檢查 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/scanmaster-scan-room-devices/id1624636159/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Starlink Network Technology Co., Ltd.](https://appshunter.io/developer/1624636161) | [YANRU CHEN](https://appshunter.io/developer/6781074279) |

## What reviewers say

### ScanMaster

[App page](https://appshunter.io/ios/app/scanmaster-scan-room-devices/id1624636159)

This utility app helps travelers protect their privacy by detecting wireless, red dot, magnetic field, and Bluetooth devices. It also provides guides on finding spy cameras in various situations.

**Highlights:** Wireless device scanning, Red dot detection, Magnetic field scanning, Bluetooth scanning, Anti-spy camera guides, Privacy protection

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership-New version | $3.99 | per 7 days |
| Weekly membership | $11.90 | per 7 days |
| Seasonal membership | $24.99 | per 3 months |
| Forever membership | $27.90 | one-time |
| 超级会员 | $29.99 | one-time |


### Shutterguard 防偷拍針孔檢查

[App page](https://appshunter.io/ios/app/shutterguard/id6785203569)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $3.99 | one-time |
| Pro+ Upgrade (LiDAR) | $6.99 | one-time |


## Frequently asked questions

### Is ScanMaster free?

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

### Is Shutterguard 防偷拍針孔檢查 free?

Shutterguard 防偷拍針孔檢查 is free to download, with in-app purchases available.

### Do ScanMaster or Shutterguard 防偷拍針孔檢查 have ads?

Neither ScanMaster nor Shutterguard 防偷拍針孔檢查 shows ads.

### Which is updated more often, ScanMaster or Shutterguard 防偷拍針孔檢查?

ScanMaster ships an update every 5 weeks, and Shutterguard 防偷拍針孔檢查 every 8 days. Most recently, ScanMaster was updated on October 15, 2026 and Shutterguard 防偷拍針孔檢查 on October 4, 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.*