Comparison

Hidden Camera Detector vs ScanMaster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Hidden Camera Detector

Detect hidden cameras and spy devices using your phone's camera, Wi-Fi, network, and Bluetooth. Features AI image recognition and a network scanner to find suspicious connections and remotely accessible devices.

Highlights
  • AI Spy Camera Image Recognition
  • Lens & IR Detector
  • Network & Wi-Fi Scanner
  • Remotely Accessible Device Scanner
  • Spy Camera Library
  • Expert Help & Guidance
Features
Read full description

The original Hidden Camera Detector — featured by Forbes, Fox, and Yahoo News. Checking into a hotel, rental, or Airbnb? Using a changing room, restroom, or office? Hidden Camera Detector helps you check your surroundings for hidden cameras, trackers, and suspicious devices using multiple detection methods in one easy app. Scan again wherever you go to see if the same trackers or devices keep appearing with you over time. Try every detection method before deciding if Pro is right for you. Built on patented detection technology developed across our consumer and enterprise security products, Hidden Camera Detector brings multiple detection methods together in one consumer app. BLUETOOTH & TRACKER SCAN Find nearby Bluetooth devices and supported trackers. Many devices are identified by name, and live signal strength helps you physically locate them. NETWORK / WI-FI SCAN Scan your local network for connected devices. Hidden Camera Detector now identifies many devices by name and type, making unfamiliar cameras and other devices easier to recognize and investigate. AI IMAGE RECOGNITION Take a photo of a suspicious object and our AI compares it with known spy cameras, returning similar images, links, and descriptions. LENS & IR REFLECTION DETECTOR Scan the space around you live for reflections that may come from a camera lens using our classic lens-detection technology. EXPERT VIDEO GUIDES — FREE Watch security professionals show where hidden cameras are commonly concealed, along with quick demonstrations of the detection methods. WHY PEOPLE CHOOSE HIDDEN CAMERA DETECTOR • Scan again over time to see if the same devices keep appearing with you • The original hidden camera detector app, built on patented detection technology and with over 2 million downloads • Featured by Forbes, Fox, and Yahoo News • Multiple detection methods — network device identification, Bluetooth and tracker locating, AI photo recognition, and live lens reflection scanning • Many network and Bluetooth devices identified by name • Live signal strength helps you locate nearby Bluetooth devices and supported trackers • Simple enough for anyone — at home, traveling, or on the go No app can guarantee it will find every hidden device, but Hidden Camera Detector gives you multiple practical ways to check a space and investigate suspicious devices with greater confidence. SUBSCRIPTION Hidden Camera Detector offers an auto-renewable subscription that unlocks full access to every detection tool. Both plans start with 3 days free — cancel anytime before they end and you won't be charged. Monthly and yearly plans are available; pricing is shown in the app before you subscribe. Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Service: https://www.hcdapp.com/tos.html Privacy Policy: https://www.hcdapp.com/privacypolicy.html

About

ScanMaster

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
Read full description

ScanMaster is a very useful tool for travelers. The app integrates various scanning modes such as wireless scanning, red dot detection, magnetic field scanning, and Bluetooth scanning, helping you detect dangerous wireless devices and red dot devices in your room, providing more assistance for your privacy protection. In addition, we offer anti-spying cameras guides for various scenarios, so you can learn how to find spy cameras. The app includes VIP features, among which: Special weekly card membership: $3.99, Weekly card membership: $11.9, Quarterly card membership: $24.99, Lifetime membership: $27.9. Purchasing any membership unlocks all VIP features. Privacy Policy URL: https://docs.qq.com/doc/DUXFzT3FsTWlrV3Jn Technical Support & User Agreement URL: https://docs.qq.com/doc/DUWRLUGhtWW90RWlR

Screenshots

Hidden Camera Detector4 screens
ScanMaster3 screens

Verdict

The call

The clearest difference is rating: ScanMaster at 5.0 against Hidden Camera Detector's 3.6. ScanMaster also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (11.0 vs 15.6). Hidden Camera Detector's advantage is ratings volume (1.8K vs 4). On price, review sentiment, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hidden Camera Detector sells 2 in-app purchases, starting at $9.99 per month and ScanMaster sells 5 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ScanMaster holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Hidden Camera Detector has 1.8K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 21% of Hidden Camera Detector's written reviews are positive against 25% of ScanMaster's.

UpkeepUpdate frequency

Hidden Camera Detector ships an update every 3 months, ScanMaster every 5 weeks. The most recent releases landed on September 26, 2026 and September 3, 2026 respectively.

Scorecard4 real differences · 6 level
Hidden Camera Detector versus ScanMaster: the parameters behind the verdict, then further details
ParameterHidden Camera DetectorScanMaster
PriceFreeFree
Rating3.6 (1.8K ratings)5.0 (4 ratings) — better
Positive reviews20.9% of reviews25.0% of reviews — better
Number of ratings1.8K — better4
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.611.0 — better
Further details — not scored
Size72 MB32 MB
Age rating4+4+
DeveloperLSC, LLCWuhan Starlink Network Technology Co., Ltd.

Customer experience

Hidden Camera Detector

All ratings1,846 ratings
Positive63.3%
Neutral10.3%
Negative26.4%
Written reviews163 reviews
Positive20.9%
Neutral2.5%
Negative76.7%

ScanMaster

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

2 purchases

Hidden Camera Detector

Subscriptions2
  • HCD App Premium3 Days trial$9.991 Month
  • HCD App Premium Annually3 Days trial$39.991 Year
5 purchases

ScanMaster

Subscriptions3
  • Weekly Membership-New version$3.997 Days
  • Weekly membership$11.907 Days
  • Seasonal membership$24.993 Months
One-time2
  • Forever membership$27.90
  • 超级会员$29.99

Questions

Is Hidden Camera Detector free?
Hidden Camera Detector is free to download, with in-app purchases available.
Is ScanMaster free?
ScanMaster is free to download, with in-app purchases available.
Which has better reviews, Hidden Camera Detector or ScanMaster?
ScanMaster is rated higher. Hidden Camera Detector averages 3.6 out of 5 from 1.8K ratings, while ScanMaster averages 5.0 from 4 ratings.
Do Hidden Camera Detector or ScanMaster have ads?
Neither Hidden Camera Detector nor ScanMaster shows ads.
Which is updated more often, Hidden Camera Detector or ScanMaster?
Hidden Camera Detector ships an update every 3 months, and ScanMaster every 5 weeks. Most recently, Hidden Camera Detector was updated on September 26, 2026 and ScanMaster on September 3, 2026.

Other comparisons