- Detector apps and their methods
- Ten apps for checking a room
- Network, infrared, magnetic, lens or checklist?
- The two lines worth reading on every listing
- A room check that doesn't rely on one scan
- Packing a detector app for your next trip
- My advice for checking a room for cameras
- Frequently asked questions
The best hidden camera detector app is the one whose methods suit the room you're checking. These apps work in different ways, from listing devices on the Wi-Fi to looking for lens reflections, infrared light or magnetic changes, and some walk you through a checklist. The more careful ones say plainly that they can't promise to find every camera.
Hidden camera detector apps help you look around a hotel room, rental or changing room with the phone you already carry. They don't all look for the same thing, and the store pages rarely explain which method an app relies on.
This list is alphabetical, in no particular order, and every description comes from the app's own listing or website, read as of Nov 2026. I've named the method each one says it uses, and quoted the vendors' own words where they talk about limits.
Detector apps and their methods
| Tool | Type | Good for |
|---|---|---|
| Camera Detector App (HMA Mobile) | Lens, Wi-Fi and Bluetooth scanner | AI lens detection and a scan history |
| Fing | General network scanner | Seeing the devices on a Wi-Fi network |
| Glint: Hidden Camera Detector | Four-check room sweep for travellers | Network, sound, lens and room checks |
| Hidden Camera Detector (Logan Security Consulting) | Multi-method detector from a security firm | Four detection methods in one app |
| Hidden Camera Detector - Peek | Magnetic, network and checklist app | Step-by-step inspection guides |
| Hidden Camera Detector FindSpy | Network, Bluetooth, magnetic and infrared scanner | Four scan types and a plain limit |
| Hidden Camera Scanner Detector (Maple Labs) | Multi-scan detector app | Wi-Fi, Bluetooth, infrared, magnetic and lens scans |
| Hidden Spy Camera Finder Pro | Network and Bluetooth scanner | Scan history and guides |
| NSpy | iPhone and Android counter-surveillance app | Wi-Fi, infrared and magnetic checks |
| Room Check | Guided room-by-room checklist app | A dated report of what you found |
Ten apps for checking a room
Camera Detector App (HMA Mobile)
Best for: Combining AI camera and lens detection with Wi-Fi and Bluetooth scanners and a scan history, from a listing that says detection isn't guaranteed.
Fing
Best for: Discovering and identifying the devices connected to a Wi-Fi network, a general tool whose listing names hidden cameras in a B&B among its uses.
Glint: Hidden Camera Detector
Best for: Running a network scan, an ultrasonic microphone sweep, a lens glint check and a guided room sweep, with a Safety Score for each place you check.
Hidden Camera Detector (Logan Security Consulting)
Best for: Checking hotels, rentals and changing rooms with four detection methods, including Bluetooth, network and AI image checks, from a maker that's offered it since 2012.
Hidden Camera Detector - Peek
Best for: Pairing magnetic field detection and a local network scanner with step-by-step inspection guides for hotels, rentals and changing rooms.
Hidden Camera Detector FindSpy
Best for: Scanning by network, Bluetooth, magnetic field and infrared, from a listing that says it doesn't guarantee complete accuracy and suggests other inspection methods.
Hidden Camera Scanner Detector (Maple Labs)
Best for: Trying Wi-Fi, Bluetooth, infrared, magnetic and lens scans in one app, with tips on where cameras are commonly hidden and a list to mark your own devices.
Hidden Spy Camera Finder Pro
Best for: Scanning the current network and nearby Bluetooth for suspicious devices, with guides, recommendations and a scan history.
NSpy
Best for: Sweeping a room on iPhone or Android with a Wi-Fi scanner, an infrared LED detector and a magnetic sensor, with every scan kept on the device.
Room Check
Best for: Going room by room through the spots small cameras are usually hidden, checking each with the right tool and saving a dated report, with no account needed.
Network, infrared, magnetic, lens or checklist?
Read the listings side by side and the methods fall into a handful of groups. Network scans list the devices on the Wi-Fi you've joined. Fing, a general network scanner, is the plainest example: its listing asks 'Are there hidden cameras in the B&B I'm staying in?' among the questions it helps answer. Bluetooth scans look for devices nearby.
Infrared checks use the phone's camera to show the light that some night-vision cameras give off. Magnetic checks use the phone's magnetometer to look for changes in the magnetic field around electronics. Lens checks use the camera and flashlight to look for the reflection of a camera lens. And checklist apps walk you round the spots where cameras tend to be hidden.
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Most apps mix several. NSpy combines a 'Wi-Fi network scanner, infrared LED detector, and magnetic field sensor'. Glint: Hidden Camera Detector runs a network scan, an 'Acoustic sweep' with the microphone, a 'Lens glint' check and a 'Room sweep'. Hidden Camera Detector (Logan Security Consulting) markets 'One app, four detection methods', and Hidden Camera Detector - Peek offers 'practical magnetic field detection, network scanning tools, and step-by-step inspection checklists'.
The two lines worth reading on every listing
The most useful sentences on these pages are the honest ones. Camera Detector App (HMA Mobile) says it doesn't guarantee it'll detect every hidden camera. Hidden Camera Detector FindSpy says 'it does not guarantee complete accuracy in detection' and suggests other inspection methods too. Glint's listing adds that 'No detection method is perfect'.
Room Check spells out why. Its page says cameras 'on another network, recording to a memory card, switched off or covered may not show up, and some results may be false positives'. That's the split a searcher wouldn't guess: each app checks in its own way, a network scan can't see a camera that's on a different network, and the careful makers say outright that they can't promise to find every camera.
A room check that doesn't rely on one scan
- Start with the spots. One checklist app's list begins with smoke detectors, chargers, frames and vents, and another adds outlets and mirrors.
- Join the Wi-Fi and run a network scan, then look at any device you can't account for.
- Try a lens or infrared check. Two listings say their infrared scan works even in low light or the dark.
- Run a magnetic sweep slowly over objects that shouldn't hold any electronics.
- Check anything an app flags with your own eyes, as one of these apps' own pages advises.
Packing a detector app for your next trip
Most of these apps name hotels and rentals as their main use, so they sit well beside the other apps you take away with you. My list of travel apps worth having covers the rest of your phone, and my guide to the hidden risk zones in a hotel looks at the room itself.
Do you make a hidden camera detector app? Tool makers can ask to be considered for a featured place on this list.
My advice for checking a room for cameras
Use an app to look more carefully, not to sign a room off. Pick one that uses more than one method, start with a physical look at the usual hiding spots, then run its scans. If it flags something, look at it yourself. And keep in mind what the honest listings say: no single method is perfect, and a clean scan isn't a promise that a room is clear.
Want your tool on this list? Featured spots and reviews here are paid partnerships. Here's how to partner with me.
Frequently asked questions
Do hidden camera detector apps work?
They can help you look, but they can't promise results. Several listings say so outright: one says it doesn't guarantee complete accuracy, and another says cameras on another network, recording to a memory card, switched off or covered may not show up.
Can an iPhone detect hidden cameras?
An iPhone can run these apps, which use its Wi-Fi, Bluetooth, camera, flashlight, microphone and magnetic sensor in different mixes. Check which methods an app lists before you rely on it.
What's the difference between a network scan and a lens check?
A network scan lists the devices connected to the Wi-Fi you've joined, so it only sees cameras on that network. A lens check uses the camera and flashlight to look for the reflection of a lens.
Do these apps work on Android?
Some do. At least one app here names both iPhone and Android on its own site, while others are App Store listings. Check the store for your phone.
What should I do if I find a camera?
Follow the guidance on the app's own page. One checklist app says not to touch the device, to document it, and to contact the host, the platform or local authorities.
Are hidden camera detector apps free?
Several are free to download, and one says each of its tools works once for free, as of Nov 2026. Some add a subscription for more features, so check the listing before you start.
