Comparison

Hidden Camera Detector vs Privacy Notes (Offline)

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

Privacy Notes (Offline)

Features
Read full description

Privacy Notes (Offline) is a note-taking app built on one uncompromising rule: your notes never touch a network. There is no cloud, no account, and no sign-up — everything you write, sketch, and attach stays on your device and nowhere else. Every note is encrypted at rest with strong, device-held keys. Your encryption key lives in the Secure Enclave behind Face ID or Touch ID, with a passphrase as your recovery path. Open the app and you are met by a lock, not a login. Write in clean, typed rich text, sketch and annotate with Apple Pencil, and add photos as fully encrypted attachments — with location and camera metadata stripped on import. Organize notes into folders and find anything instantly with fast on-device search. When you want a copy, export an encrypted backup you control; nothing is ever uploaded. Designed for iPhone, iPad, and Mac with a calm, monochrome interface that gets out of your way. No ads. No analytics. No trackers. No crash reporters. Just a private place to think. - Fully offline and air-gapped — zero networking, verified at build time - Encrypted on device; key protected by Face ID / Touch ID and a passphrase - Typed rich text, Apple Pencil ink, and encrypted image attachments - Photo metadata (EXIF / GPS) removed automatically on import - Fast full-text search and folder organization - Encrypted, device-independent backups you export and restore yourself - Built for iPhone, iPad, and macOS — no account, no ads, no tracking Your words never leave your device.

Screenshots

Hidden Camera Detector4 screens
Privacy Notes (Offline)4 screens

Verdict

The call

The clearest difference is price: Hidden Camera Detector at Free against Privacy Notes (Offline)'s $8.99. Privacy Notes (Offline)'s advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs every 3 months). On ads, device support and iOS requirement 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

Hidden Camera Detector is free to download; Privacy Notes (Offline) costs $8.99 up front. Hidden Camera Detector sells 2 in-app purchases, starting at $9.99 per month. Privacy Notes (Offline) asks for nothing beyond the download.

UpkeepUpdate frequency

Hidden Camera Detector ships an update every 3 months, Privacy Notes (Offline) every 5 days. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Hidden Camera Detector versus Privacy Notes (Offline): the parameters behind the verdict, then further details
ParameterHidden Camera DetectorPrivacy Notes (Offline)
PriceFree — better$8.99
Rating3.6 (1.9K ratings) — better—
Positive reviews20.8% of reviews—
Number of ratings1.9K — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size72 MB25 MB
Age rating4+4+
DeveloperLSC, LLCLinosec

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
None

Privacy Notes (Offline)

No in-app purchases

Questions

Is Hidden Camera Detector free?
Hidden Camera Detector is free to download, with in-app purchases available.
Is Privacy Notes (Offline) free?
Privacy Notes (Offline) costs $8.99, with no in-app purchases.
Do Hidden Camera Detector or Privacy Notes (Offline) have ads?
Neither Hidden Camera Detector nor Privacy Notes (Offline) shows ads.
Which is updated more often, Hidden Camera Detector or Privacy Notes (Offline)?
Hidden Camera Detector ships an update every 3 months, and Privacy Notes (Offline) every 5 days. Most recently, Hidden Camera Detector was updated on October 16, 2026 and Privacy Notes (Offline) on October 12, 2026.

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