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Lookout Security & Antivirus

by Lookout Mobile Security
Rated: All Ages
3.9 out of 5 stars  See all reviews (360 customer reviews)

Price: FREE
Sold by: Amazon Digital Services, Inc.
Available instantly
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  • Unlimited Cloud Storage: Never run out of space for all your photos, videos, and files with unlimited storage plans from Amazon Cloud Drive. Try either plan for 3-months free. Learn more

Latest Updates

What's new in version 9.15
  • Bug fixes and performance improvements

Product Details

  • Release Date: March 22, 2011
  • Rated: All Ages This app may include dynamic content. What's this?
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (360 customer reviews)
  • Amazon Best Sellers Rank: #1,605 Free in Appstore for Android (See Top 100 Free in Appstore for Android)
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Product Features

  • Protect your device from malware and spyware
  • Scan every app you install to ensure it is safe
  • Backup your data and contacts
  • Find your device on a map and/or sound an alarm
  • Runs silently in the background

Product Description

Lookout Security & Antivirus offers essential protection to your phone and tablet against malware, viruses, loss and theft.

More than 50 million customers trust Lookout:
“Best app EVER! Found my lost phone using Lookout!”
“Excellent all-in-one Antivirus!”
“Security, back-up and locator all in one. Love it!”

And the press loves Lookout:
TechCrunch - “Top 10 Best Free Apps”
LAPTOP Magazine – “The Best Mobile Security Solution for Android Devices!”
PCWorld - “Lookout should be one of your first stops on the Android Market!”

Lookout Security & Antivirus FREE Features:

• App Scanning: Continuous, over-the-air protection from viruses, malware, adware and spyware

• Locate & Scream: Map the location of your device and make it sound an alarm - even when it is on silent!
• Signal Flare: Automatically save your phone's location when the battery is low
• Lock Cam: Get an email with the picture and location of whoever incorrectly enters the passcode 3 times

• Contact Backup: Save a copy of your Google contacts
• Download your contacts to your computer so you can transfer them to an existing phone or tablet.

Note:In order to protect your phone from malware and spyware, backup your data and find your phone, Lookout needs access to a number of Android permissions. Lookout requests access to your calendar, SMS, emails and contacts in order to be able to wipe all of your personal and private information from your lost or stolen device. If you would like more information on all of our permissions please visit

Lookout offers a two-week FREE trial - no credit card info required - of its Premium features, including:
Safe Browsing: Block dangerous URLs
Privacy Advisor: See what personal information can be accessed by other apps
Lock & Wipe: Remotely lock your device, post a custom message and erase your data
Other Premium features: photo & call history backup,or transfer data to a new device, Premium Tech Support, and More!

After your trial ends, you can continue to enjoy Lookout’s FREE features to keep your device safe and secure!

Lookout Security & Antivirus is available in German, French, Japanese, Spanish, Portuguese, Chinese (Traditional and Simplified),Korean, Russian and Polish.

Note: If you’re on Android 2.2+ (Froyo) and have trouble uninstalling, go to Settings -> Location & Security -> Select Device Administrators and uncheck Lookout. Contact us at support [at] for questions.

-Learn about the latest security threats at
-Learn about our permissions at
-Like us on Facebook at
-Follow us on Twitter at

Technical Details

  • Size: 7.8MB
  • Version: 9.15
  • Developed By: Lookout Mobile Security (Privacy Policy Click to see complete result in a new window)
  • Application Permissions: (Help me understand what permissions mean)
    • Read from external storage
    • Get information about the currently or recently running tasks: a thumbnail representation of the tasks, what activities are running in it, etc
    • Write to external storage
    • Read the low-level system log files
    • Write SMS messages
    • Access coarse (e.g., Cell-ID, Wi-Fi) location
    • Monitor incoming SMS messages, to record or perform processing on them
    • Read the user's contacts data
    • Access the list of accounts in the Accounts Service
    • Read the user dictionary
    • Write (but not read) the user's contacts data
    • Clear the caches of all installed applications on the device
    • Read only access to device state
    • Read SMS messages
    • Get notified that the operating system has finished booting
    • Required to be able to access the camera device
    • Allows an application to write (but not read) the user's browsing history and bookmarks
    • Access fine (e.g., GPS) location
    • Manage the list of accounts in the AccountManager
    • Allow an application to make its activities persistent
    • Write to the user dictionary
    • Access information about networks
    • Access the flashlight
    • PowerManager WakeLocks to keep processor from sleeping or screen from dimming
    • Send SMS messages
    • Write data to internal media storage
    • Read or write the secure system settings
    • Modify global audio settings
    • Allows termination of background processes
    • Allows an application to receive messages via Google Cloud Messaging
    • Disable the keyguard
    • Write (but not read) the user's calendar data
    • Write the sync settings
    • Allows sending in-app billing requests and managing in-app billing transactions
    • Read data from the device
    • Open network sockets
    • Read or write the system settings
    • Read the sync settings
    • Access the vibration feature
    • Change network connectivity state
    • Allows an application to read (but not write) the user's browsing history and bookmarks
  • Minimum Operating System: Android 2.3.3
  • Approximate Download Time: Less than 1 minute

Customer Reviews

3.9 out of 5 stars
3.9 out of 5 stars
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Most Helpful Customer Reviews
35 of 38 people found the following review helpful
Verified Purchase
There are those who feel that having security on an Android smartphone isn't necessary, or that it can slow down your device. These are misconceptions, as any device that connects to the Internet can and will eventually be hit, and should it happen, the results can be disastrous. And there are some apps that will not slow your Android device down.

Lookout Mobile Security is a proven product that does more than offering basic antivirus protection. It offers a wide range of highly effective mobile device-specific security features, and it does this with a minimal performance hit on your Android smartphone. It should be noted that users with a Kindle Fire HD should look for the Lookout Mobile Security (Kindle Tablet Edition) app, as this one is slightly different.

The 8.4.1 version that was the latest at the time of this writing is less than 5.2MB in size, and it's a fast download that takes less than 60 seconds. Once installed it will protect your device from malware, viruses, and spyware, but be sure that your device is running Android 2.1 or newer.

I tested this app on my Samsung Galaxy S III, and it took just a couple of minutes to open Lookout, select the Security module, and then run a full scan... just like you would do with your computer. I spent about fifteen minutes following the prompts and setting up Lookout Mobile Security and everything ran smoothly. It asked for my email address and a private password (no problem as this app carries the TRUSTe seal). It did a full security scan, and luckily found no dangerous files.
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12 of 12 people found the following review helpful
5.0 out of 5 stars This app saved my new Samsung and saved me $200 September 20, 2013
By Nikki
I have the basic/free version of this app and never paid it any mind until yesterday when I left my phone at a restaurant. You should first know that this app will secretly take a picture and alert its user via email if someone unsuccessfully attempts to enter your password multiple times. To continue with my story; I left my phone at Brio - a "nice" Italian restaurant in Atlanta - yesterday and called to ask that it be put away so that I could retrieve it later in the day, after I got off of work. Sometime after 5pm, I received an email notifying me that someone was attempting to break in to my phone. His picture was attached with a map showing the location of the restaurant. I called to notify the manager and it turns out that the person was an employee of theirs who had just come to work. He noticed my phone waiting to be picked up, and decided he would steal it. If I had not showed up to the restaurant with the employee's picture that was emailed to me, they would have never found my phone. Unfortunately, he did a factory reset and I had not backed up my contacts. Fortunately, I now have my phone back and he is no longer employed at the restaurant. Needless to say, I am a happy customer!!
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99 of 124 people found the following review helpful
5.0 out of 5 stars A must have app for peace of mind in a mobile world March 22, 2011
I'm new to the whole mobile scene, so I knew I needed something to keep me in check when it came to downloading stuff. As a download/app junkie on other devices, I knew it would be no different with my Droid 2. I found Lookout by browsing through the android app store and was blown away that this is being offered for free. You can have all your downloads instantly and seamlessly scanned without you ever really knowing that it's monitoring you. A little icon sits in your tray but besides that, you won't know it's protecting you. You can sign up to have a weekly email sent to you from the website to inform you of changes to your phone and to see where you stand in security for your device. If your phone is lost or stolen, you can lock it remotely from the website and even have it scream (let off a sound) to alert others or even you of it's location.

There is a pay version that opens up some premium features but I haven't done that as of yet. I haven't written it off yet, but it's there if I need it. For everyone like me who wants peace of mind on their mobile device, you can't get much better than Lookout Mobile Security.
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116 of 146 people found the following review helpful
5.0 out of 5 stars works great, gps a savior October 26, 2011
By gopack
I lost my phone visiting a college campus one weekend and utilized the gps on a nearby computer to locate it. worked like a charm and saved my phone. highly recommend
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134 of 173 people found the following review helpful
5.0 out of 5 stars To the haters... June 9, 2011
Verified Purchase
Numerous people are saying that anti-malware is not needed on android. What rock did you crawl out from under? Android is the new, favorite target for viruses and malware. If it does not work on your phone, fine... the developers can not account for EVERY configuration.
I use a Droid X on Verizon and I have NONE of the issues that these other supposed Droid/Verizon users have.
And as far as Verizon saying its bad, Verizon's position is that if anything is wrong with the phone, it must be an app so reset the phone and tell the client not to load certain apps. They have no basis in fact to blame this particular app any more than any other. And it does not drain your battery unless you have it configured to backup every 10 seconds.
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15 of 17 people found the following review helpful
1.0 out of 5 stars Customer Service Failure.... March 20, 2013
By evelyn
I love this product, and until 10 days ago customer service was great. I was over billed and customer service took care of the error and gave me a prompt refund. Then billing canceled my account and has not responded to my emails. (10 days ago to billing and 6 days ago customer service.) VERY DISAPPOINTING. No response from either department. I am forced to switch my service to another vendor. I cannot be without antivirus and phone location service. Like the name says LOOKOUT!
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Most Recent Customer Reviews
5.0 out of 5 stars Five Stars
works great you don"t even no its there.
Published 1 day ago by D. Kearin
5.0 out of 5 stars Five Stars
Use it daily. Would recommend
Published 7 days ago by Peter Griffin
4.0 out of 5 stars Four Stars
recommended for those like me who misplace their phones
Published 14 days ago by Keyman
2.0 out of 5 stars Two Stars
Installed, the app will not accept my password.
Published 16 days ago by Amazon Customer
5.0 out of 5 stars gotta have protection
love it
Published 18 days ago by Stewart Wilson
5.0 out of 5 stars Quality product
You never know for sure if you have the right stuff, but we use lookout for all our devices (5) and in the 4 years we have been using lookout we have been well protected and had no... Read more
Published 20 days ago by Amazon Customer
3.0 out of 5 stars Was a Free App. I Don't Know If It Really Does Any Good or Not
appeared to be okay. as far as I know, there wasn't anything I could have complained about. But I have since uninstalled it after several months of use and can't tell anything is... Read more
Published 20 days ago by customer
5.0 out of 5 stars HERE ARE THE FACTS ON the LOOKOUT app.
This security app is just fantastic. How many times have you misplaced your cell phone? Well, with LOOKOUT and my phone paired with my tablet, I can find either one by location on... Read more
Published 20 days ago by Michael Cast
1.0 out of 5 stars Cell phone slower after install.
Issues with it wanting to run more than I wanted so I removed it. Also may have slowed down cell phone
Published 26 days ago by carleen moore
5.0 out of 5 stars Five Stars
Keeps my phone info safe.
Published 29 days ago by D. DeWitt
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Topic From this Discussion
Same thing happened to me, but, thankfully, Verizon said this was a known issue with the app, so I uninstalled it before trying a new phone. My phone works great again.
Mar 26, 2011 by Roadhunter |  See all 8 posts
Why. Won't. They. Update.
What can't you type. Properly.

Get the app from the google play store and it will update just fine from there.
Aug 19, 2012 by Ivy Vine |  See all 2 posts
Kindle Fire
I haven't personally used Lookout but I do use Avast mobile on my Fire and it works great. Haven't had any problems.
Jun 6, 2012 by Robbie |  See all 3 posts
Find My Device function is reporting location 1 mile from actual... Be the first to reply
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