Top 3 Apps to Spy on Someone’s Phone Calls Secretly


Kids and teens these days are always using their smartphones. In such a case, it is okay for parents to worry about who they are talking to and are getting in touch with using it. Further, if you are an employer, it is downright common to be curious about whether your employees are using your office phone to make personal phone calls or not. All of these problems make it essential for you to find a way using which you can spy on someone’s phone without them knowing

How to Spy on Someone’s Phone Calls Secretly?

Are you wondering about how to spy on live phone calls and what call monitoring actually is? Call monitoring allows someone to keep a tab on the detailed call data of a particular person. This data further has the information about all the outgoing and incoming calls on a target phone, the time of these calls, and their duration, etc. 

Now, about how you can listen to a phone conversation without someone knowing about it, the solution is simple. You can readily do so using a cell phone monitoring application. And the best part, such software can even help you to spy on text messages, social media, and various other platforms. 

Steps to Spy on Someone’s Phone Calls Secretly

Step 1: Firstly, you need to choose the best spy app as per your needs.

Step 2: Then, choose the spy app subscription of your choice and purchase the desired cell phone monitoring app.

Step 3: Then, follow all the instructions and complete the installation process. 

Step 4: Lastly, start tracking phone calls using the control panel in your device. 

Our Top 3 Picks to Spy on Someone’s Phone Calls Secretly

>>> Spymaster Pro

It is the best cell phone monitoring software you will need to spy on any phone remotely. With it, you can do a lot more than spying on phone calls.

Compatibility: iOS and Android

Spymaster-Pro-FeaturesWhy is Spymaster Pro the #1 spy app to monitor phone calls?

  • No installation, no jailbreak for iPhone 
  • 24 X 7 chat support
  • Super-simple refund policy
  • Low-cost subscription
  • Festive season discounts
  • Native language support
  • Easy to use dashboard

You can check out Spymaster Pro reviews here.

>>> Guestspy

This is the next app you can use to spy on someone’s phone calls secretly. Here is all you must know about it:

Compatibility: iOS and Android 


  • Supports hidden call recording
  • Traces phone book
  • Auto-answer and spy calling features
  • SMS tracking
  • GPS tracking services
  • Monitors multimedia files
  • Track of call logs
  • Monitors instant messaging applications
  • Provides remote access
  • Hard to detect
  • Recording of live phone surrounding
  • Tracks internet browsing history
  • Online live control panel


  • Outstanding call and surrounding recording feature
  • Spy calling feature
  • Auto answering feature
  • Online live panel for full authority over the target person’s phone


  • No voice call interception
  • 24/7 Online chat facility unavailable
  • It lacks a number of features that you may need

>>> Flexispy

Flexispy is the last cell phone spy app to spy on someone’s phone calls secretly on the list today. Read ahead to know about this application.

Compatibility: iOS and Android


  • Provides remote access
  • Hides jailbreak traces and rooting details
  • Monitors call logs
  • Tracks GPS location
  • Traces incoming and outgoing messages
  • Traces instant messaging conversations
  • Gives access to multimedia files
  • Saves keystroke history
  • It helps you set alerts
  • Keeps track of internet activity


  • Recorded calls are of excellent sound quality
  • Exporting of GPS logs facility
  • Remote spy camera
  • Message commands
  • Live call recording feature
  • 24 X 7 Customer Support


  • It takes almost 8 minutes or more for installation
  • Very difficult to use
  • No facetime monitoring
  • No geofencing feature
  • No monitoring for Instagram and Twitter

Some Other Spy Apps You Can Use

Apart from our top 3 spy apps, the list for the ones that you can use to monitor phone calls is endless. Here are some others you can use:

  • The Truth Spy
  • Spy stealth
  • mSPY
  • Spyzie

Why Should You Spy on Someone’s Phone Calls Secretly?

Usually, children tend to tell their parents everything. However, there may arise a situation when they may not be comfortable doing so or are afraid of something. Let’s say if someone is harassing them over a phone call, they are likely to keep it to themselves due to the fear instilled inside their little minds. If you start monitoring their phone calls, you can rest assured about such troubles for your kids. 

Further, when you have the details of whoever your kids talk to in your control panel, you can quickly identify any bully or predator. And as for your employees, you can know if the increase in the number of calls from the company phone is due to them. Thus, using a spy app for monitoring phone calls will help you rest assured about these things. Further, you can even do so without them knowing. 


As per us, an excellent way to spy on someone’s phone calls secretly is by using spy software. If you need the best cell phone spy app for this, we have helped you with our top three picks. All these applications are undoubtedly the best in the market. The reason why Spymaster Pro is at the number 1 position is because of the fact that it has something additional to offer in comparison to the other ones. When you make your choice, make sure to weigh all the pros and cons before reaching a final conclusion. Also, check out their reviews with us!

Also Read:- Top 3 Undetectable Cell Phone Spy App In 2021