5 Most Efficient Spy Apps For Smartphones

Long story short, you need a solution which allows you to spy on another person.

Obviously, there are millions of ways to do that, but not all of them are great.

Our way is probably the best and the most effective.

In essence, you will use apps for smartphones to get access to a device your spouse, friend or someone uses.

The most efficient hidden spy app from the list is the one that allows you to get the access you actually need.

  1. DDI Utilities

Without a doubt, this is the best spy phone app at the moment.

It is so great that you will be able to get any type of access and information from a targeted device you need.

All, calls, SMS, MMS, Facebook data and etc. are possibilities here.

The user interface on the computer or another phone where you will get the access to the acquired data is just perfect and the entire solution is stable!

Additionally, you will be able to get a contact list and other information.

Yes, there is a free trial, but the app isn’t free and you will have to pay for it.

An interesting addition is the fact it is installed in 45 seconds.


  • Powerful features
  • Easy to use
  • Can run on non-jailbroken devices
  • Stealth
  • Free trial


  • Cannot fetch Viber messages
  • Pricey
  1. Copy9

This is the least-known mobile spy app there.

As a matter of fact, most of you have never heard of it.

On the other hand, the app is powerful and impressive in the lack of a better word.

We like so much related to the app and we advise you to try it.

Of course, if the higher price isn’t an issue.

First and foremost, the app looks modern and appealing.

Then, the app comes with 24 features, including camera activation, message access and etc.

In short words, you get the entire access to a device and all that you need to know will be yours!

Furthermore, it is compatible with Android and iPhone and it works perfectly, like a charm.

The bottom line is that this app is just great.


  • 24 features
  • Runs on iPhone and Android phones
  • Advanced capabilities
  • Looks great
  • Easy to use


  • Very expensive
  • There are no many users of the app
  1. MxSpy

Believe or not, this is another, above the average app that is specifically developed for spying other users.

It is compatible with the most smartphones of today and it offers all the features you are going to need.

Something we liked is the fact there is no need to gain access to the targeted device.

Nevertheless, it will gain access and information to all the files you may need.

Additionally, you get a free trial and the app doesn’t require jailbreaking.

The last but not least, this app offers the best customer support out there and it is certainly one of the best-supported apps on the market.


  • Great for demanding users
  • Free trial (3 days)
  • Customer support is the best
  • All features you are going to need


  • Geo-based features
  • It may be confusing for you
  1. Secret Spy camera

This is another free and is a simple app that is available on Google Play.

You can try it immediately you will probably use it.

In essence, you can use the volume keys to take pictures and to set up black screen mode, which allows you to take photos when the screen appears to be black.

The app can detect faces and then activate the camera.


  • Face detection
  • Free to download and use
  • Can activate cam using volume keys
  • Low-demanding app


  • There are no plenty features
  • The app looks obsolete
  1. 9SpyApps

Here we have another small app which offers simple features.

Well, basically the spy app is entirely focused on spying Whatsapp and it definitely offers great sub-features.

For instance, you will be able to track the online and activity of a user with his Whatsapp application.

As the spy, you will be able to spy on these messages and activities for free, due to the fact the app can be downloaded for free on Google Play.


  • Free to use
  • Whatsapp activity monitoring
  • Basic features
  • User-friendly interface


  • Lack of advanced features
  • Lack of iOS support


These apps are great and they offer precisely what you need.

After all, each spy software from the list allows you to do precisely what you want.