3 Ways to Spy on Someone’s Phone Without Them Knowing

Nowadays, our lives have become so fast and mobile phones are so important gadgets that are carried by almost everyone. People may not only do numerous versatile activities via their smartphone, but they can also save their own personal data in it.

This includes chat history, messages, social media, and media files. Hence, if you wish to spy on someone’s phone without installing software, most especially if it involves your children or employees, you may use spy applications.


Spy applications are programs that are compatible with different operating systems. Three of the best spy apps for this purpose are NEXSPY, FlexiSPY, and Spyier.

These are the ones you need to know how to spy on someone’s phone without them knowing for free. In this post, we are going to discuss the three apps, and how to use them on reading text Messages from another phone without them knowing.

Why do people need to spy on someone’s phone?

Well, each and every one of us has our own reasons for why we do things. The same way goes with spying on someone’s phone. Below are some of the ethical reasons why people need to spy on someone’s phone without them knowing.


Of course, being parents they want to know their children’s whereabouts and one of the best decisions for them is to install a GPS phone spy application that can help them in controlling the phone’s of their kids.

Through these spy applications, they might be able to obtain their children’s location, as well as the data regarding their messages, browser history, and calls, among others.



Occasionally, an employer wishes to know if their employees are working properly. It is possible to use tracking applications in controlling their employee’s phones, know if they don’t visit any social media sites at work, as well as don’t leave the premise during the work hours without informing you – their employer.

Before we proceed and discuss how to spy on someone’s phone without them knowing for free using NEXSPY, FlexiSPY, and Spyier, let us first know if is it really possible to spy on someone without them knowing about it.

Can you spy on someone’s phone without them knowing?

To answer the question – yes, it is possible to spy on someone’s phone without them knowing. Revolutionary applications like spy apps support smartphone operating systems. Using cutting-edge technology, they make it possible to spy on someone’s phone without them knowing it.

If you are not a hacking genius or hacker, you might need to use spy app without target phone that may do the work for you. The spy tools are not just spy tools that you see in movies, you can use them personally to hack someone’s phone – even you are not a tech-savvy.


These spy applications are so easy to install and use. You can remotely access some of the most important data from anyone’s device. You’ll see all the incoming & outgoing calls, and all the media that you want to see on the phone, without even touching it.

However, not all spy apps that you can see online are credible and reliable. There are only a few who can do the task of spying without getting noticed faultlessly. These include NEXSPY, FlexiSPY, and Spyier.

These three, as what we keep on saying are the best that you can use in spying on someone’s phone without them knowing. Let us know more about these three – keep on reading!

NEXSPY – the best undetectable spy app

NEXSPY is one of the most reliable, one-stop spying application that does a lot of wonders. Being a parent, you can use it in monitoring your children on their whereabouts.

Furthermore, employers can also use it in tracking their employee’s smartphone usage. These aren’t all that it can do. In fact, NEXSPY can cover all areas of monitoring and tracking.


With it, you can do a broad range of things on the target phone. In fact, with this spy app without target phone, you can record incoming & outgoing calls, keep track of messages, and many more. What’s even great about this app is that it updates regularly with its amazing features.

Additionally, the app was developed by experienced & reliable developers who make sure that it can deliver what it’s ought to deliver. In terms of features, the application can offer a whole set of spying different phone info.

NEXSPY Features

Some of the most amazing features of NEXSPY include the following:

Contacts & Phone Calls: You might be surprised at how easy this application might be able to keep logs and monitor the target’s call logs. With the app, you might be able to know the exact date & time when the calls were made. It will also allow you to listen to their conversation. But this feature needs some checking on the law.


Record Phone Calls & Surroundings: Spying on VoIP calls might be possible with NEXSPY. Therefore, all communication made on apps like Skype, Viber, WhatsApp, and Facebook is fairly easy to monitor.

Multimedia Files: NEXSPY features an amazing stealth camera, in which you can take control of the camera of the target phone. What’s more, with this feature, every time a picture is taken by the target, the picture will be sent to you directly.

SMS & IM Chats: NEXSPY has the capacity to record text messages, including the messages’ information, like date & time of receiving or sending the messages, phone number, as well as the name of the sender.

GPS Location: The GPS navigator in the NEXSPY is one valuable feature. With it, you can track the location of the target phone if they are online or not.


Online Activities: With NEXSPY, you might be able to monitor the target’s internet activities and social media activities. You will also receive regular updates that you may find interesting on the target.

NEXSPY is also undetected and runs quietly in the background. Hence, you can make sure that the target cannot detect you, while you are spying.

What’s even great about NEXSPY is that it comes with a 3-day free trial, where you can enjoy using all its amazing features for free.


Another amazing advanced spy phone application is the FlexiSPY. It has everything that you would expect in a phone spy app.

It can record phone calls, capture keystrokes, let you read messages, emails, and SMS spy, track locations, and remotely turn target phone’s microphone for recording of conversations. It does all of these without the knowledge of the user.


FlexiSPY comes in two versions of the Premium & Extreme versions. The former offers only the basics that you may find in some other spy applications, except it has no call interception & call recording. These two features are available in the FlexiSPY Extreme version.

FlexiSPY Features

Premium Version

The premium version has all the necessary standard features you would expect from a spy application, letting you track each and every text message, visited website, calls, as well as multimedia file on the target’s smartphone.

Here are some of the amazing features of the Premium version of FlexiSPY:

Take Screenshots: You may take a screenshot of the applications the target use remotely.

Keyword Alerts: You may set up email or text alerts, which may notify you when the phone receives or sends messages with specific words.

Track GPS Location: FlexiSPY uses GPS in tracking the location of the phone. You may view the target’s location history on the map, as well as track their current location in real-time.


Keylogger: Each keystroke keyed on the target smartphone is being recorded by the application. With this feature, you can see every login credentials typed in on the phone.

Read more: Top 5 Best Keyloggers for Android 2021 (Undetectable & No Root)

Extreme Version

The Extreme version lets you listen to or record calls, control camera phone & microphone remotely, as well as send fake messages. But that’s not just it, this version can also do the following:

What’s more, the FlexiSPY app is designed to be invisible to the target user’s phone. Once it is done installing, the application hides on the background and will remove its launcher icon by itself.


Spyier is a monitoring application that allows parents or employees to keep track of their employees’ or children’s smartphone devices. Moreover, the spy app claims to have the capacity to monitor messages, photos, application usage, call logs, and more.


Spyier also has an amazing, user-friendly, and intuitive dashboard, which makes it so much easier to use. What’s more, Spyier does not need any jailbreak or rooting to work effectively. Therefore, you don’t need to tweak any smartphone, in order to avoid breaking their warranty.

Once the installation of the app is done, it’ll run in the background silently and will completely hide. The app may then monitor the activity of the smartphone and may send reports to your online account. You may access these reports from any device.

Spyier Features

The features of Spyier may slightly differ from Android and iOS versions. Nonetheless, here are the major features that include in both versions:

Text Messages & Calls: Spyier has the ability to gather the text messages of the target. This is perhaps one of the best features of Spyier. You can also monitortheir messages from the app’s dashboard. Similarly, when you are going to look at the call logs, you’ll be able to see the contact that the target has been calling. 

Keylogging: This core feature of Spyier is one of its kind. Whatever the target is typing on their smartphone, the keylogger will store it. You can view the stored data at any given time.

Screenshot: In case the target’s using their phone, you can take a screenshot of the target device’s display. This will not alert the user and will be directly sent to you.

Real-time GPS Tracking: This amazing feature of Spyier is beneficial in monitoring where the target is at all times. The app also records the target’s previous location, hence you can see where the target has been all day.


Geofencing: After creating a geofence, you’ll receive a notification if the target’s location is outside a particular area. This is specifically beneficial for employers and parents in ensuring their employees or children are near.

Spyier is a great spy app when it comes to monitoring smartphones. Both smartphones and tablets, regardless of their operating system, Spyier is compatible with it.

Just like the first two spy apps above, this too comes with a free trial. Hence, you don’t need to worry about how to spy on someone’s phone without them knowing for free.

Be an ethical spy

It is never right and a serious offense when you breach someone’s privacy. It is all up to you to guarantee that you use a spy application ethically. You must learn about the laws in your area since they might differ from one place to another. Furthermore, make sure that you are also on the ethical side.


We are not saying that it is not at all right to spy on someone’s phone. However, you need to do it in an ethical and lawful matter. Always remember that it’s never right to breach anyone’s privacy without their knowledge about it.

Final say

If you are planning to spy on someone’s phone without them knowing, make sure that you choose a reliable spy application for it.

If I were you, I am going to choose from the above mentioned three best spy apps – NEXSPY, FlexiSPY, and Spyier. Aside from they come with free trials, they also have great customer service supports, which are always there to listen to all your concerns.

Bear in mind, all of these spy applications do not support any form of illegal hacking and they do not suggest that you use their applications in an unethical and illegal way. You should only use the apps particularly for employees and children spying only.

Have safe & legal spying, everyone!


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