When comparing Lookout vs Kaspersky, the Slant community recommends Kaspersky for most people. In the question“What are the best antivirus applications for Android?” Kaspersky is ranked 3rd while Lookout is ranked 4th. The most important reason people chose Kaspersky is:
Kaspersky recieved a 99.7% detection rate result from the AV Comparitives Mobile Security Review behind only AhnLab and Kingsoft. From AV Test, Kaspersky recieved a 6/6 in both protection and usability.
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Pros
Pro Minimal effect on performance and battery life
Lookout is a lightweight application that has a small influence on device performance such as start up times and battery life. Although when downloading applications there is a slight slow down because Lookout will scan every application.
Pro 96% detection rate result and 5.5/6 protection score from third party testing labs
Lookout received a detection rate result of 96% from AV Comparatives' mobile security review ahead of some but behind Kaspersky, Bitdefender, and Avast!. AV Test gave Lookout a 5.5/6 protection score and and a 6/6 usability score behind Kaspersky and Bitdefender and tied with Avast!.
Pro Heartbleed scanner
Lookout also offers the ability to check to see if your device is vulnerable to Heartbleed and if it has been affected with a separate application called Heartbleed Security Scanner. Unfortunately Lookout cannot fix the problem but it can warn you so you can alert the manufacturer and stop using your device.
Pro 99.7% detection rate result and 6/6 protection score from third party testing labs
Kaspersky recieved a 99.7% detection rate result from the AV Comparitives Mobile Security Review behind only AhnLab and Kingsoft. From AV Test, Kaspersky recieved a 6/6 in both protection and usability.
Pro SIM watch
Kaspersky's SIM watch feature will alert you by email if the SIM card has been removed with the location of the device and can lock the device.
Cons
Con Safe browsing, privacy advisor, and other features available only to premium users
Safe browsing (a feature that scans every link and site you visit), privacy advisor (manages and explains application permissions), remote lock, remote wipe, enhanced backup, and a few other features are reserved for premium users only. Fortunately though for antivirus purposes Lookout premium is unnecessary. Lookout premium is $3 a month.
Con Moderate effect on performance
Kaspersky is not the most lightweight application or as well optimized as applications such as Lookout. Some slowdowns may be experienced using Kaspersky but that may be a necessary sacrifice for Kaspersky's stronger virus detection rate.
Con Awkward and outdated user interface
Navigating the settings menu and other features in Kaspersky's mobile application is an awkward experience even with new redesigns. The application lacks a consistent design and the settings menu especially feels like one of the earlier Android applications designed.
Con Some basic antivirus features available only for paid users
The free version of Kaspersky will not automatically scan new applications after they are downloaded. Cloud enabled protection to react to fast and new threats is also a paid only feature. The paid version of Kaspersky is $14.95 a year.