# Vulk vs DutyCheck

The clearest difference is in-app purchases: DutyCheck at none against Vulk's 1. DutyCheck also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Vulk's advantage is update cadence (every 3 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Vulk sells 1 in-app purchase, starting at $34.99 per year. DutyCheck asks for nothing beyond the download.

Vulk ships an update every 3 days, DutyCheck every 2 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Vulk | DutyCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (35 ratings)](https://appshunter.io/ios/app/vulk-camera-tracker-detector/id6756925778/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 5 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [宝林 辛](https://appshunter.io/developer/1630868858) | [Fred Read](https://appshunter.io/developer/1374064843) |

## What reviewers say

### Vulk

[App page](https://appshunter.io/ios/app/vulk-camera-tracker-detector/id6756925778)

This app helps you detect hidden cameras, trackers, and listening devices to protect your privacy. It uses AI and on-device sensors to scan for suspicious activity in various locations like hotels and rental cars.

**Highlights:** Hidden camera detection, Wireless device scanner, Tag & GPS tracker detection, Car tracker finder, Audio bug detector, 6-layer privacy scanner

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly Access | $34.99 | per year |


### DutyCheck

[App page](https://appshunter.io/ios/app/dutycheck/id6776260776)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vulk free?

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

### Is DutyCheck free?

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

### Do Vulk or DutyCheck have ads?

Neither Vulk nor DutyCheck shows ads.

### Which is updated more often, Vulk or DutyCheck?

Vulk ships an update every 3 days, and DutyCheck every 2 months. Most recently, Vulk was updated on November 9, 2026 and DutyCheck on November 5, 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.*