Top 3 Undetectable Cell Phone Spy App In 2021

undetectable cell phone spy app

Are you looking for a way to know the whereabouts of your spouse, kids, family, and employees? Monitoring their cell phone can be a solution to this. And thanks to modern-day technology, doing so is easier than you can ever imagine. In case you are wondering how we will clear it for you. Doing so is possible with the help of an undetectable cell phone spy app.

Yes, you read that right. With this simple application, you can track every activity on the target user’s phone and also know their real-time locations. Now, there is a wide range of such spy apps that you can find in the spy market today. It makes finding the best out of them quite a task.

However, fret not! We can tell you all about how to find the best undetectable spyware for Android as well as iPhone to keep your kids and family safe. By the end of this post, you will have a list of the best three undetectable cell phone spy apps for Android & iPhone with you. Let us get started.

Choosing the Best Undetectable Cell Phone Spy App for Android And iPhone

Before we tell you about the top 3 apps, here is how you can find the best undetectable phone spy app yourself. Simply look for the following in the cell phone spy app:

  • Before anything else, check the compatibility of the spy app with the target phone.
  • Make sure an undetectable phone spy app must also be simple and easy to use.
  • It should also come with all the necessary features for your tracking needs.
  • An ideal undetectable cell phone spy app should work remotely and in 100% hidden mode.
  • Most important of all, it must fit inside your budget. 
  • While looking for the best undetectable spyware for iPhone, make sure the one you choose comes with a feature – Spy on iPhone without Jailbreak
  • An Android spy app, on the other hand, must offer Android spy without root.

Now that you know what to look for in an ideal cell phone monitoring software for any phone, let us get started with our best undetectable cell phone spy app list 2021. Have a look:

Top 3 Undetectable Cell Phone Spy App for Android 2021

Here are the top 3 undetectable spyware for Android you can rely on for the safety of your kids and family:

1. Spymaster Pro

Spymaster Pro is the No. 1 cell phone monitoring software that we suggest for your Android monitoring needs. This undetectable cell phone spy app is the safest and most reliable spyware you will ever come across. Using this single software, you will be able to do everything ranging from Facebook monitoring and location tracking to sensitive information alert and a lot more.

This spy software has now been in the market for a few years and is loved by everyone all across the world. Be it concerned parents, worried employers, or doubtful spouses, it is a one-stop solution for all. The best part about using Spymaster Pro is that it lets you spy on Android without root, is affordable, and super simple to use.

2. Flexispy

The next Android undetectable cell phone spy app that we have for you is Flexispy. This cell phone monitoring software, again, has numerous tracking features to offer. You can use it as a smart parental control app or as a cheating spouse tracker. Its remote call recording feature is what people like the most.

However, unlike Spymaster Pro that can be installed within minutes, this spy app is heavy software. Its installation time can be even more than eight minutes. Also, it lacks some of the crucial features that you are sure to need for safeguarding your family and catching a cheating spouse.


The last Android undetectable cell phone spy app on the list is XNSPY. This spyware for Android can act as both parental control software and an employee monitoring app. Although it comes with some of the most amazing features, the inadequate customer support facility is a turn-off for many. 

In such a case, customers have no one to contact in case of an issue. Also, this undetectable phone spy app is a bit on the pricey side. It may not be a great choice for you if you are on a tight budget.

Top 3 Undetectable Cell Phone Spy App for iPhone 2021

Now, let us help you find the best undetectable spyware for an iPhone. Have a look at our top 3 choices for 2021:

1. Spymaster Pro

Just like Spymaster Pro tops our list for the best undetectable spyware for Android, it is also a #1 choice for iPhone. As you know, it is safe to use and works in 100% hidden mode. The cell phone spy app also lets you spy on an iPhone without jailbreak. Doing so is possible with the help of iCloud credentials.

Spymaster Pro is also the best app to read someone’s text messages remotely on iPhone. Apart from it, it offers you all the other features you may need to catch a cheating spouse and keep your kids safe. Thus, this one spy app can act as both a cheating spouse tracker and a parental control app. It is also an excellent employee monitoring software.

2. mSpy

The next iPhone undetectable cell phone spy app on the list is mSpy. This spyware can single-handedly serve all your cell phone spying needs. However, in order to work on an iPhone, this cell phone spy app needs you to jailbreak the target phone. Also, it is costly in comparison to other iPhone tracking apps out there. 

3. Spystealth

Spystealth is the last undetectable cell phone spy app for iPhone on our list today. If you want an app that monitors Facebook in particular, it is the best for you. Also, it offers fantastic chat support. As for the other features, some of them may not be up to date. Therefore, do your research before purchasing this spy app.


So, these are our top 3 undetectable cell phone spy apps for Android and iPhone. As per us, Spymaster Pro is the best of all. If you want to know about this particular software in detail, you can check out our unbiased Spymaster Pro review. There are reviews for other apps, as well. We hope they help you out in making an informed decision.