How to Detect Hidden Cameras Using Smartphone - TechPP (2023)

While going out is supposed to be having fun, when you stay in a hotel or happen to use public restrooms or even go to trial rooms in clothing stores, it’s good to ensure there aren’t any hidden cameras. While authorities and many organizations are working their best to ensure you won’t face any such bad experiences, we still have to check and make sure there aren’t any hidden cameras before using them.

How to Detect Hidden Cameras Using Smartphone - TechPP (1)

Luckily, if you have your smartphone, it’s more than easy to find all those cameras and have a piece of mind. So, how to detect hidden cameras using your smartphone? Read along to find out.

Table of Contents

What Are Hidden/Spy Cameras?

A hidden camera or a spy camera is a small video camera used for recording people without their knowledge. Hidden cameras can be used for security purposes, such as monitoring a home or business, or they can be used to record people for personal use secretly. Hidden cameras usually have an infrared (IR) LED that allows them to record clear images in low-light or dark conditions.

While hidden cameras can be used for positive purposes, they have also been abused by people who use them to invade the privacy of others. In some cases, hidden cameras have been found in places like public bathrooms and changing rooms, where people are recorded without their consent. This has led to concerns about personal privacy and the misuse of hidden camera technology.

What Does a Hidden Camera Look Like?

There are a variety of different types of hidden cameras, each with its own specific purposes. Some common types of hidden cameras include smoke detectors, screws, USB chargers, and routers. Hidden cameras can come in various shapes and sizes and can be disguised as almost anything. It is important to be aware of the many different ways that someone could be spying on you and take steps to protect yourself from hidden cameras.

Where are Hidden Cameras Usually Located?

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Hidden cameras are usually located in these areas:

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  • Electronic Devices like phones or USB sticks. They can be hidden in many places, including power outlets and telephones.
  • Smoke Detectors and Alarms
  • Mirrors
  • Toilets and bathrooms – on the ceilings, in the air vents, under the sink, or behind the toilet.

9 Ways to Detect Hidden Cameras with a Smartphone

Now that we know what hidden cameras are, how they look and work, and where they are usually placed, let’s look at different methods of detecting spy cameras using your smartphone.

Find hidden camera in room by making a call from your smartphone

Remember those old speakers that make a specific sound when you receive a phone call and are placed next to it? The reason for that sound was because of the electromagnetic disturbances caused by the signals from the phone and some components inside the speaker. Well, guess which device can be found with this sorcery? Follow these steps to find out:

  1. Make a phone call with your iPhone or Android.
  2. Now, observe for any kind of buzzing or crackling sound.
  3. If you find any, look for the source of the sound.

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Even if you don’t find any device, contact the respective people and ask about the source of the sound.

Use phone camera app to detect hidden cameras

Cameras are calledphotographers eye, and it’s this eye that’s gonna guide you from those creepy hidden eyes. How? Usually, these hidden cameras use the help of IR to capture data. While they can’t be seen through the naked eye, you can see spot them using your smartphone’s camera app:

  1. Open the camera app on your smartphone
  2. Start to look around the place through the camera.
  3. Check if you could see ablinking light sourcethat wasn’t visible before.
  4. If you do, then look at the area to see if there are any hidden cameras.

How to detect hidden camera by scanning Wi-Fi with mobile phone

To do its pesky activities efficiently, many hidden cameras are required to be connected to a Wi-Fi connection to transfer the data to their creepy owners.

  1. Turn on Wi-Fi on your smartphone.
  2. Visit the Wi-Fi page and look for any unusual names.

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Even if you find unusual names, they may not be hidden cameras since some people’s creative minds are much more than the appreciable levels. But follow the rest of the guide to discover more ways in which you can spot hidden cameras using your Android phone or iPhone.

Use third-party hidden camera detector apps

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While using cameras can help you find IR cameras, it still can’t be considered the best app to detect hidden cameras since it was never its purpose. For that, you need apps that are built for this purpose. While many apps claim to do the same, We think theHidden camera detectoris the best app to detect hidden cameras.

Install the app and check various options, as well as the instructions to detect hidden cameras with the app. Besides what we have suggested, You can find many different options from Play Store and App Store.

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Turn on Flashlight to find hidden cameras

It’s the primary nature of lenses to reflect when exposed to a light source. We are going to use this characteristic of the lens to spot hidden cameras. Simply turn on the flashlight and flash it around the room. Be sure you are close to objects while checking since the hidden camera lens will be comparatively small, and so does its reflection. To spot them, you need to be closer to them.

Specifically, look at smoke detectors, electrical outlets, power strips, wall hangings, clocks, clothes hooks, etc.

Bonus: Other ways to detect hidden cameras

While smartphones are one of the best ways to detect hidden cameras, there are other ways that you can try and double down on your privacy.

Check if there are any unusual devices or items in the room

Wherever you go, make sure to check thoroughly to ensure everything is safe. Look around for any suspicious object or even a thing. And if you feel uncomfortable or suspicious about a particular item, make sure to contact the respective people and clear your doubts.

Switch off all lights and observe the room

As we have mentioned before, many hidden cameras use IR sensors to capture data. Please turn off the lights, draw the curtains, and use the camera on your smartphone to spot them. This is specifically helpful to detect night vision cameras.

Use the help of experts to detect hidden camera

Despite all of the methods mentioned above, you might still be unable to detect hidden cameras in the bathroom or other spaces. So it is best to take the help of an expert to spot all of them and ensure peace of mind. A quick search on the internet can easily help you mind many experts who can detect hidden cameras for you.

Since we are hiring someone for their service, it might not come cheap. But if you can afford one, this might be one of the best ways to ensure your privacy.

Scan for hidden cameras using dedicated devices

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While smartphones mostly come in handy to detect hidden cameras, you can get better results if you use devices meant for this use case. If you are someone who travels quite often, it’s good to invest in such a device.

Specialized RF detectors can be used to detect secret recording devices. The detector is very sensitive to the radio waves wireless cameras emit. The detector gives audible signals that get more frequent as you move closer to the source.

What to do if you found a spying device?

The first thing to do when you find a hidden camera is to not freak out. Take a picture or video of the device using your smartphone and contact Police. Be sure not to touch or interact with the device and let it stay where it is until you get law enforcement support.

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That’s it!

It’s a shame that we still have to be concerned about cheap things like hidden cameras while using public spaces. While with this guide, I hope you can have peace of mind when using an unknown place; let’s hope people’s mentality to use hidden cameras will come to an end eventually. According to you, what are the measures the authorities need to take to put an end to this? Let us know in the comments.

FAQs around detecting hidden cameras

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Are Hidden Cameras Legal?

In general, it is legal to purchase and install hidden cameras, as long as everyone being recorded knows about the cameras and consents. However, there are some exceptions to this rule. For example, installing hidden cameras in public places can create legal problems. Additionally, it is illegal to record people without their consent in certain places, such as bathrooms.

How to detect a hidden camera in a mirror?

To detect hidden cameras in mirrors, check around the mirror to see if you can spot any wires or blinking lights. Slightly press against the mirror and see if there's any gap between the glass and the reflective surface. If you couldn't spot any, then it might be a two-way mirror. And someone from the other side may be able to view what's happening on your side. You can also flash your smartphone's torch light and see if there are any camera lenses.

How to detect hidden cameras from the light bulbs?

To detect hidden cameras from the light bulbs, turn off the lights and see if you can see any glow from those bulbs. If you notice anything suspicious, report it to whomever it is concerned.

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How to Detect Hidden Cameras in Smoke Detectors?

To detect hidden cameras in smoke detectors, see if you see any kind of darker glass on them. Check to see if you can notice any kind of glow around the smoke detector. But never ever dismantle or unwire anything inside a smoke detector.

What is the easiest way to find a hidden camera?

There are a number of ways to detect hidden cameras using your smartphone. One way is to make a call and walk around the room, looking for any devices that may be recording you. Another way is to download an App that can help you detect hidden cameras. There are a number of different Apps available, and they vary in accuracy and features. However, most of these Apps are fairly reliable and can help you find hidden cameras quickly and easily.

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Can Android detect hidden cameras? ›

Some hidden cameras emit IR (infrared radiation) light, which isn't visible to the naked eye. The camera lens on your Android phone will pick up infrared light if you hold your device close enough. If you find a hidden camera that emits IR, it will appear in your camera's display as bright blue-white light.

Can we connect spy camera to phone? ›

You can connect your CCTV security cameras directly to your smartphone with the use of a mobile app that picks up your IP address and streams via wifi or a router. This way you can be anywhere in the world and safe in the knowledge that your house, pets, cars, or businesses are fine.

How do you check if there are hidden cameras? ›

Simply download a hidden camera detector app and scan the area for any devices. The app will create an alert if any are found. Using a flashlight to check for unusual reflections in objects is another easy way to find a hidden camera; the lens will reflect the light back, drawing attention to the hidden device.

How can we find hidden camera in mobile? ›

Use a smartphone. Sometimes you can do without special equipment and just use your smartphone camera and a flashlight. Turn off the lights and draw the curtains (the room must be dark), turn on both the flashlight and phone camera, and point them where you think a hidden device might be lurking.

Is hidden camera app accurate? ›

“Cameras emit infrared rays which can be detected using the lens of another camera, for example, the camera of a smart phone. This technology is mostly used in spycam detection apps that are available. However, advanced spycams emit radio frequency rays, which cannot be detected by a mobile phone camera.

How can you find a hidden camera without a detector? ›

To find hidden cameras, check common hiding places like mirrors, shelves, wall decorations, stuffed animals, potted plants, clocks, and smoke detectors. Look for the camera's lens rather than the body of the camera, since the lens must be visible for the camera to be effective.

Is there a free app to detect hidden cameras? ›

Hidden Spy Camera Detector offers a lot of features, from Wi-Fi and Bluetooth scanners to simple interface. No need to buy costly detectors as it has everything you need to stay private wherever you go. This app is available for free with in-app purchases for the Premium version.

Can I use a spy camera without WiFi? ›

Yes, there are security cameras without WiFi. Typically, security cameras use WiFi to send footage to the cloud so that you can view it on an app. But “No-WiFi” options store the footage locally. Some will save footage to a digital video recorder (DVR), while others store footage on a memory card.

How far can a spy camera see? ›

For example, the battery-powered security camera Reolink Argus 3 Pro can see up to 33ft in the dark and the infrared security camera Reolink RLC-810A can see up to 100ft at night. (Some PTZ cameras like Reolink RLC-823A can even see up to 190ft in darkness.)

Does spy camera require WiFi? ›

Yes, it is possible to use your security cameras without internet. It's a good option if you have poor service or lack high-speed access. Many of the cameras that don't use the internet connect through a closed system, such as a CCTV or mobile setup. Learn more about security cameras without internet access here.

What device can detect hidden cameras? ›

The best hidden camera detector is a useful purchase for anyone worried about their personal security.
Best hidden camera detector in 2022
  • K68. ...
  • Jepwco G4 Pro. ...
  • Latnex SPA-6G Spectrum Analyzer. ...
  • JMDHKK M8000. ...
  • SpyHawk Pro-10G. ...
  • DefCon DD1206. ...
  • JMDHKK K18 RF.
21 Oct 2022

Can you hear a hidden camera? ›

Hidden cameras are designed to be as discrete as possible, but many will still emit a slight sound when they are working. When the area of suspected surveillance is as quiet as possible, walk around slowly to listen out for any buzzing or slight clicking noises that might be coming from a hidden camera.

How do I block a hidden camera? ›

Hidden Camera Blocking

Tape, spackle or caulk over any drill holes containing hidden listening devices. If you get lucky and find a wired power source for a hidden recording gadget, simply unplugging it may be enough to stop it from recording.

Do camera detection apps work? ›

Quickest answer to that is, “Yes, hidden camera detector apps work but it depends on how you make use of them effectively. To make such apps useful, you need to understand how these apps work and how to use them”.

What is the best app for finding hidden devices? ›

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  • deviceOwl: Find Spy Devices. Utilities.
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  • Hidden Spy Camera Detector • Utilities.
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  • Hidden Infrared Camera Finder. Utilities.

What camera app is most accurate? ›

The Best Camera Apps for Android
  • Adobe Photoshop Camera. ...
  • Camera FV-5. ...
  • Pixtica. ...
  • ProCam X. ...
  • Open Camera. ...
  • VSCO. VSCO isn't just a camera app. ...
  • Adobe Lightroom. Technically, Adobe Lightroom isn't a camera app. ...
  • Cymera. Cymera is a camera app that's aimed at social media enthusiasts.

What's the best hidden photo app? ›

Best Apps to Hide Photos
  • Keepsafe Photo Vault. The best app to keep your photos safe. ...
  • Vaulty. Great for organizing hidden files. ...
  • HiddenVault Secret Photo Album. Best for fast storage. ...
  • Private Photo Vault. Great for protecting and editing your photos. ...
  • Hide It Pro. ...
  • 1Gallery. ...
  • LockMyPix Secret Photo Vault. ...
  • Safe Gallery.
24 Jul 2022

Do security cameras have blinking lights? ›

Most security cameras do not have a flashing red light. A red light gives away where a camera is positioned and the fact that it is there in the first place. Some older security cameras may have included this as a feature but you would be hard pressed to find one that still does.

Do fake security cameras look real? ›

Fake security cameras look just like their real counterparts, but are in reality just decoys designed to deter would-be burglars.

What is the red light on a security camera? ›

A solid red light on a security camera means there is NOT a local internet or an internet connection.

Can hidden cameras work without power? ›

Generally, the security cameras will stop working when the power is out, whether it is for recording, motion detecting, or sending push. But battery powered security camera is an exception, which runs on battery power and will continue to record without electricity.

Do spy cameras need power? ›

Yes, wireless security cameras need power. Security cameras are electrical devices, and all electrical devices need some sort of power. For security cameras, power is usually provided through a plug-in transformer.

Do spy cameras have lights? ›

Almost all hidden security cameras have red or green LEDs. They use these LEDs to create enough light on the infrared spectrum so they can capture their surroundings.

How long can a hidden camera record? ›

Wearable hidden cameras are easy to miss. This one is genius because it's right in the open. This pinhole camera records up to 22 hours of 1080p HD video directly to an SD card.

How long do hidden cameras keep footage? ›

In general, most security camera footage is kept for 30 to 90 days (1 to 3 months the most). There isn't really a standard answer to the question “how long does the average security camera store footage?” because each site and each security set up is different.

Can cameras see you at night? ›

In order to see at night, most CCTV cameras use infrared (IR) technology. If you look at CCTV cameras with night vision capability, you'll notice that they are surrounded by a number of small LEDs. These emit infrared light at night, which allows the camera to see even in total darkness.

Can I connect a camera to my phone without WiFi? ›

Yes! 4G Wireless cameras can work without internet as long as they are connected to a 4G network.

Do all spy cameras have audio? ›

A traditional surveillance camera system with video cables and a DVR typically doesn't have a microphone. You'll need to buy specific audio surveillance cameras and DVRs to record audio with these systems.

How do wireless hidden cameras work? ›

How Do Wireless Security Cameras Work? Wireless cameras work by transmitting video and audio through radio waves. The data they capture is sent to a receiver, which could be a hybrid DVR, a computer, or an app on a smart device, where the data is then stored either to disk or on the cloud.

How do you block hidden cameras and listening devices? ›

Use a noise blocker or white noise generator to block long-distance recording or hidden devices in your home. Use frequency scanners or infrared smartphone apps to find hidden cameras. Common sense is your greatest defense against spies. So do not share more than you need to.

How do you make a hidden camera detector? ›

Download a red strobe light app on one phone and turn on a red strobe light. Then, turn on the camera on the other phone. Scan the wall with the strobe light while pointing the phone camera at it. If there's a hidden camera, you'll see a reflection in the phone camera screen.

How do I know if I'm being recorded? ›

Spot Common Signs of Surveillance
  1. Electrical fixture wall plates are slightly out of place. ...
  2. Check your vinyl baseboard – where the floor and wall meet. ...
  3. Look for discoloration on ceilings and walls. ...
  4. A familiar item or sign in your home or office simply looks off. ...
  5. You notice white debris close to a wall.

Is there a device that can detect hidden cameras and microphones? ›

You can scan for frequencies using an RF detector, that transmit from microphones and hidden cameras. Get your RF detector from and sweep it around the places you think are bugged. The detector will crack or make a beep sound when it receives any radio frequency.

How can I block a device from listening to my phone? ›

For Android
  1. Open the Settings app. Then, scroll down and tap Personal.
  2. Tap Privacy and safety, followed by App Permissions.
  3. Tap Microphone and locate the app you want to turn the mic off for.
  4. Toggle the slider to the off position.
19 Nov 2022

What is a camera jammer device? ›

The Camera Jammer. The Camera Jammer (also known as a HERF Generator, or Directional EMP) is a hand-held device that emits microwave pulses that disprupt the characteristic signals used in the microcircuitry of serveillance cameras.

How can you find a hidden camera with a flashlight? ›

Even well-hidden cameras will have a small amount of reflective glass from the lens, Bombace said. “If you use flashlights and shine them on something you think could possibly hide the camera, you will see a reflection in there, which is a pretty good way of detecting if there's a camera,” he said.

How can I remotely access another phone's camera? ›

Download and install the AirDroid app on phone A, and sign in to your AirDroid account. Download and install the AirMirror app on phone B, and sign in to the same AirDroid account. Open AirMirror App on phone B, then click phone A in the device menu of AirMirror App; Click the Camera to establish a connection.

What app do I use for my spy camera? ›

One of the best video recording apps for Android, Background Video Recorder (BVR) records video with an option to disable camera sounds so others around you won't know you're recording. You can also schedule a recording for a future time.

Is there a spy camera app? ›

Hidden Camera

The app has a really simple way of working. All you need to do is to move your Android device close to the suspected area (changing room mirror, shower head, or hotel room etc.) and the app will analyze the magnetic activity and tell you if there's a spy cam or microphone around.

Can you view security cameras remotely? ›

You can connect CCTV cameras and watch them anywhere remotely in two ways: connecting IP cameras over the Internet via an APP/Client, or setting up port forwarding.

Can someone hack my phone remotely? ›

Yes, unfortunately, people can access and even control your phone remotely. There are plenty of spyware apps and bugs that let people hack into your phone without you even knowing about it. It's usually through certain links or credentials that hackers do this.

How long does a spy camera work? ›

Spy Cam Motion Activated Night Vision Mini Spy Camera with 10 Day Battery Life (Multicolour)

How do mini cameras work? ›

In any case, a hidden camera works just like a normal CCTV Camera, except for the fact it's designed to be a bit smaller, so the task of concealing it is much easier. The device works by using a lens, through which it captures the incoming light. The light is then focused on a small grid of light detectors.


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