Best Surveillance Detector Apps

249+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Out of 249+ surveillance detector apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Surveillance Detector Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Nearby Device Detector: ScanNearby Device Detector: ScanFree4.5★ (2.4K)NoYesSep 2026
2Detector:Find Lost/Spy DeviceDetector:Find Lost/Spy DeviceFree4.6★ (531)YesNoSep 2026
3SpyDetectSpyDetectFree4.5★ (2)NoNoSep 2026
4#1 Hidden Camera Detector#1 Hidden Camera DetectorFree4.2★ (3.8K)NoYesSep 2026
5Hidden Device RadarHidden Device RadarFree5.0★ (1)NoYesSep 2026
6Suspicious Device Cam DetectorSuspicious Device Cam DetectorFree4.8★ (24)YesYesAug 2026
7Hidden Cameras Detector: D3XHidden Cameras Detector: D3XFree5.0★ (2)YesYesAug 2026
8Hidden Spy Camera Finder ProHidden Spy Camera Finder ProFree4.4★ (12K)NoYesSep 2026

Top Picks for Surveillance Detector

Nearby Device Detector: Scan#1

Nearby Device Detector: Scan by Teguh Prasetia

Device Detector and Spy Finder
Editor's Choice
🌟 Lifestyle
4.5😞(2.4K ratings)
FreeIn-App Purchases
Nearby Device Detector: Scan screenshot 1
Nearby Device Detector: Scan screenshot 2
Nearby Device Detector: Scan screenshot 3
Nearby Device Detector: Scan screenshot 4
Nearby Device Detector: Scan screenshot 5

Scan your current network for suspicious devices and identify hidden cameras or bugs using advanced AI and Wi-Fi scanning. Protect your privacy in hotels, public spaces, and more by ensuring your environment is safe.

What We Love

  • 🚀 Satisfactory and useful
  • 🔒 Extraordinary intelligence and accurate tracking methods

Room to Improve

  • 🐛 Useless
  • 🐛 Doesn't work
  • 🐛 Waste of money and time
  • 🐛 Misleading subscription info
  • 🐛 No way to contact developer
  • 🐛 Minimal information provided
Detector:Find Lost/Spy Device#2

Detector:Find Lost/Spy Device by 长金 胡

Find The Lost or Spy Devices
Strong Contender
🔧 Utilities
4.6😊(531 ratings)
FreeAds
Detector:Find Lost/Spy Device screenshot 1
Detector:Find Lost/Spy Device screenshot 2
Detector:Find Lost/Spy Device screenshot 3
Detector:Find Lost/Spy Device screenshot 4

Detect hidden spy devices like cameras and microphones using advanced technology. This app helps you safeguard your privacy by scanning for Bluetooth, magnetic fields, infrared, and Wi-Fi signals. Restore peace of mind by unmasking intrusive gadgets in your surroundings.

What We Love

  • 🚀 Works as advertised
  • 👍 Easy to use
  • 🔍 Variety of detection methods
  • 💡 Helpful for finding lost devices
  • 🔒 Useful for security purposes

Room to Improve

  • 🔋 High ad frequency
  • 📍 Inaccurate distance measurements
  • 🐛 Compatibility issues with some devices
SpyDetect#3

SpyDetect by Haari ug

Detect Hidden Spy Devices
Worth Considering
🔧 Utilities
4.5(2 ratings)
FreeAds
SpyDetect screenshot 1
SpyDetect screenshot 2
SpyDetect screenshot 3
SpyDetect screenshot 4
SpyDetect screenshot 5
SpyDetect screenshot 6

Protect your privacy with tools to detect hidden spy devices, unauthorized network access, and electronic signals. Scan your surroundings to identify potential threats and ensure your personal space remains secure.

More Surveillance Detector apps to explore

FAQ about Surveillance Detector

What are the best surveillance detector apps for iPhone?
Nearby Device Detector: Scan tops our surveillance detector apps ranking as of September 2026, with a 4.5-star average from 2.4K App Store ratings, and it's free to download.
Yes — 20 of the top surveillance detector apps we rank are free to download, including Nearby Device Detector: Scan and Detector:Find Lost/Spy Device.
Nearby Device Detector: Scan has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ surveillance detector apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides advanced network tooling to help you search for suspicious devices within your current network. It uses Wi-Fi scanner technology and AI techniques to identify potential hidden devices and protect your privacy by ensuring your environment is safe.
The app offers multiple methods for identifying hidden devices. It can search for suspicious devices in your current network using Wi-Fi scanner technology. Additionally, it can find spy devices in your environment using AI techniques.