Top 6 Best iPhone Spy App – Undetectable Monitoring

Without a doubt, the introduction of the iPhone has totally changed the way people use their phones. iPhones provide a lot of features that extremely beneficial. In fact, Apple has been a trendsetter in the mobile phone industry at all times.

Aside from the device alone, one of the best things about an iPhone is that you can install a variety of applications on it. However, with an increased number of iPhone users, there’s also an increased danger to digital security.

Today, online cruelty is on the rise and in fact, a lot of kids have been the main target of cyberbullying. For this reason, tech companies started thinking about ways on how to protect iPhone users.


And they come with a solution in the form spyware for iPhone. This spyware or app is good for protecting and defending your loved ones from online threats.

In fact, even companies these days are using such apps to monitor and track the activity and whereabouts of their workers during working hours.

Today, there are lots of spy apps on the market. As a result, choosing the best one can be confusing.

So if you’re having a hard time, no worries because we’ve got you covered. In this post, we will walk you through the top 6 best spy apps in 2021.

We will help you compare every iPhone spy app against particular criteria of compatibility, pros, and cons, as well as other features.


This article will offer you a clearer picture of what these apps have to offer and help you pick the right one that will precisely meet your needs.

6 Best Spy Apps for iPhone in 2021

Here are the 6 best spy apps for iPhone where you can choose from.


NEXSPY is often named as the best spy app for iPhone as it perfectly functions on all types of devices. After downloading the app, simply install and activate it on your target device and you will obtain complete access to the device.

NEXSPY is also one of the most reasonably priced iPhone spy apps on the market. With this app, you will be able to spy on text messages with ease. All you need to do is remotely access the inbox of your target device.


Aside from messages, you can also track calls wherein you will be able to see the outgoing and incoming calls from your target iPhone. In fact, you can even see missed as well as recorded calls.

NEXSPY has also a GPS tracking feature which is very helpful when tracking stolen or lost iPhones. With this app, you will also spy on Facebook, WhatsApp, and Snapchat without any issue and with ease.

You can monitor what’s happening on these platforms. For example, you can view galleries, pictures, videos, and even the files that are already deleted.

NEXSPY dashboard 1

Spying on someone’s iPhone using NEXSPY will only need a few straightforward steps. Aforementioned, once you have downloaded and installed the app on your target phone, you can start tracking and monitoring what’s going on on the phone.

Once you purchase this best iPhone spy app, you will be provided with a NEXSPY account in which you will need to log in and check the details you want to find out.


NEXSPY is compatible with all versions up to iOS 12.4


With NEXSPY, you will have 3 packages to choose from. The Yearly plan will cost you $228 which is just $19 every month. The quarterly option will stand at $87 which is billed every three months, while the monthly plan costs you $39 every month.



  • It comes with a 3-day free trial
  • Easy to use
  • Works in the background silently
  • 100% hidden
  • Can spy on text messages and social media platforms like Facebook
  • GPS tracking
  • Reliable
  • 24/7 customer support
  • One of the most affordable spy apps
  • Great for parents who want to monitor the safety of their children


  • One of the common drawbacks NEXSPY is that you will need to install it on your target device personally that is quite risky
  • Target iPhone should be jailbroken


Are you looking for a spy app without target phone that you can utilize to track the phone activity while controlling the device too? If that’s the case then iKeyMonitor can be a great option.


iKeyMonitor is a user-friendly app that you can use to spy on iPhone and comes with a free 3-day trial. The free trial will let you test its features and capabilities.

It also has a powerful keylogger feature that records every keystroke typed in the iPhone. In fact, this will offer you a lot of information from just about each app on the device.

The app has a screen capture feature that allows you to spy on your child‘s iPhone remotely. You will be able to see what your target sees like video chats or chats, texts, sites visited, apps used, and among others.

iKeyMonitor, on the other hand, provides one of the most detailed lists of social media application monitoring capabilities like Facebook, Snapchat, WhatsApp, Viber, Google, QQ, Kik, and Tinder. Essentially, this feature will let you see what is exactly happening on these apps.


With iKeyMonitor, you will be able to limit screen time. Meaning to say, you are certain that your kids will not spend most of their time with their device.

All in all, iKeyMonitor is a great spy app to have. It comes with all the basic monitoring features and it’s very easy to install.


iKeyMonitor supports iOS 9 and higher versions.


The full version of this one of the best spy apps for iPhone comes at $49.99 monthly.


  • Tracks the data history of Wi-Fi
  • It comes with a remote control feature that you can use to easily manage device logs and data
  • Review social media activities
  • Captures screenshots of your target iPhone
  • Configuring screen time limit is possible
  • Blocks games and apps that are unnecessary and inappropriate
  • It has a detailed list of social media monitoring capabilities
  • Powerful keylogger feature


  • For basic monitoring activities, iKeyMonitor is pretty expensive

Highster Mobile

This app is one of the spy applications that are very easy to use. All you need to do is download and install it on your target iPhone, enter the license code and you are ready to spy on someone’s phone without theme knowing.

What’s more, there is no configuration needed making it ideal for users that are not tech-savvy. Though it does not possess as many features as other spy apps on our list, it is a great app to have.


Highster Mobile has a real-time GPS tracking feature that will inform about the whereabouts of your kids and even employees, particularly during working hours. You can track the device by current location as well as phone location history.

In addition to that, you can read text messages from another phone without them Knowing even those which have been deleted. Aside from messages, you can also view the call history of the device including missed calls, received calls, calls made, call duration, as well as the date and time.

With Highster Mobile, you can also view all pictures because they will be uploaded to your account. Viewing browser history is possible with the app as well, in which you can track sites they have visited and what they have searched for.


Highster Mobile has also social media monitoring capabilities. That being said, you will be able to monitor various social media applications your target uses and who they talk to like WhatsApp, Facebook, and Snapchat messages.


Highster Mobile supports iOS 7.x, 8.x, 9.x, 10.x, 11.x, 12.x, and 12.2


This app is a one-time premium acquisition of only $69.99.


  • It comes with a stealth camera that allows to remotely take screenshots and pictures
  • Offers a no-jailbreak solution
  • It tracks deleted messages
  • One of the most affordable spy apps for iPhone
  • Easy to install
  • Undetectable
  • View browser history
  • It allows you to monitor various social media apps


  • The app lacks a few advanced features
  • Average technical support
  • It only offers basic monitoring features
  • There are only limited customer support options


This spy app is very simple to use, all you need to do is install mSpy on your target iPhone and activate it with your license code. Once done, you can remotely monitor the device through your online portal.

mSpy has a number of advanced features like parental controls, a keylogger, as well as social media monitoring. With this app, you will be able to track the Skype, WhatsApp, Hangouts, Facebook, and Snapchat activities of your children.


It will also record all the keystrokes entered by your target. For instance, if your kid is utilizing instant messaging apps that mSpy cannot directly track, you can still view each keystroke entered.

The app, on the other hand, can be also utilized as a parental control app. It allows every parent to block inappropriate sites, apps, and even incoming calls. What’s more, you can control apps that your child can use.


  • Jailbreak version: It supports iOS 7 to 8.4, iOS 9.0 as well as iOS 9.1
  • No-jailbreak version: It supports all versions of iOS


mSpy is available in two different packages: the Basic plan and Premium package. Respectively, it will cost you $29.99 monthly, while the latter is $69.99 every month, this plan is also available on a yearly basis.


  • Comes with all basic monitoring features
  • GPS tracker
  • Feature a keylogger that will capture all the typed keystroked on your target iPhone
  • Specially made with a number of Parental Control features
  • Block unwanted applications and sites that consist of inappropriate content
  • There is a no-jailbreak version available
  • It wipes data or locks the iPhone by sending commands remotely
  • Live-demo available


  • Some advanced features are not available in the no-jailbreak version


Fifth on our list is FlexiSPY. It is one of the most powerful and feature-rich spy applications that you can get today.

Not only that, it is one of the few spy apps that have a text messages Interception feature that allows you to listen and record phone calls secretly.


But for you to use this feature, you will need to jailbreak your target device. If you have jailbroken your target’s iPhone you will be able to take advantage of this app.

Similar to other apps on our list it will run in the background. What’s more, it will record all the activities made on the target device including instant messages, social media apps, photos, emails, texts, GPS, and call history without them knowing.

The data that you will be collected can be shown through a mobile application or a web-based portal.


This app comes in two different versions: Extreme and Premium. The Premium version has everything that you typically need from the best iPhone spy software. However, if you need more advanced features, then you may want to go for the Extreme version.

FlexiSPY has been around since 2009. And in fact, it is still one of the popularly known apps these days.


Another good thing about FlexiSPY is that it supports all iPhone versions up to 9.1


You can get the Premium version for $149 per year or $33 monthly. While the Extreme version will cost you $66 monthly or $349 annually.


  • Easy to use
  • Call interception feature
  • Track all information on your target iPhone including live calls
  • 100% invisible and hidden
  • Sends fake SMS to ant contact on your target device
  • Records VoIP calls
  • Capture screenshots of activities on apps
  • Password cracker feature that lets you extract passwords from all accounts and apps
  • Send commands remotely


  • Jailbreak is required
  • If you are looking for a basic monitoring app that you can use for a month FlexiSPY can an expensive solution
  • It doesn’t support the current version of iOS
  • You need to access the device physically when installing


With 96% of client satisfaction rate, it is safe to say that Cocospy is one of the best spy apps for iPhone today. In fact, millions of people are currently using the app as it sustains their monitoring needs.


Cocospy sports a user-friendly interface and excellent design to offer improved spy experience. One of the best things about it is that you don’t have to be tech-savvy. Moreover, you don’t need to jailbreak your target device.

Designed mainly for employers and parents, this app can be utilized by people looking for balanced solutions when it comes to pricing, features, and performance. 

Similar to other spy apps on our list, Cocospy allows you to view call logs along with the caller’s information. Moreover, you will see the status and duration of the calls.

Cocospy has also SMS spy that will let you review all received and sent messages even the deleted ones. It also has a SIM tracker that will notify if your target changes his/her SIM card.

The spy apps can retrieve locations that are GPS-based and make geofence boundaries and obtain geofence notification when your target iPhone exits and enters the marked location.


If you want to spy on Instagram, LINE, Facebook, Snapchat, or other social media platforms, you can use Cocospy as well. You can even access shared videos and pictures via social media applications.


Cocospy support iPhones running on iOS 7 and above.


The Basic plan of Cocospy can be purchased at only $8.33 every month for a one-year license. The premium package, on the other hand, comes at $9.99 monthly.

There is also a family plan that comes at a reasonable price of $16.66 monthly for a one-year license.


  • 24/7 and professional customer support that is available via email
  • 100% secure
  • Doesn’t consume too much battery
  • User-friendly interface
  • Easy to install
  • Jailbreak is not needed
  • Only consume small memory space
  • SIM tracker
  • Can retrieve GPS-based locations


  • It can’t be utilized by expert detectives.

Read more: How to Hack an iPhone?


There you have it the top 6 best spy apps for iPhone in 2021. After reviewing the apps we can say that NEXSPY is the best option. NEXSPY will offer the best value for the money invested. Not only that, it is loaded with features that are very beneficial.

Read more: How Can I Spy on a Cell Phone Without Installing Software on the Target Phone?

When it comes to customer support, NEXSPY is also top-notch. Compatibility with all devices as well as having many advantages over drawbacks makes it the best iPhone spy app.

Other spy apps on this list are beneficial too. What’s more, they have their own positive characteristics. However, NEXSPY has something very special that you cannot find in the five remaining spy apps.

If you don’t have enough time to try different apps just to see what they can offer, we highly suggest that you use NEXSPY. The app’s monitoring process is really fantastic and you will be able to check and control everything from an easy-to-use control panel. 

Last but not least, this high-quality app is easy to use, reliable, simple, and fast. Hopefully, this article has helped you a lot in choosing an app that you can use to spy on iPhone.


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