With these sites, anyone can make sure whether a hacked APK is safe to download. The third is the NVISIO APK Scan, another free website used for looking for malware in package kits but requires users to input email addresses and answer captcha puzzles. This website is one of the most reliable APK scanners since it also investigates IP addresses, offers a list of malware, and reports common loaded libraries for executables and crowd-sourced network traffic. Second is using OPSWAT's Metadefender, a site dedicated to cybersecurity and can look for malware in APKs that are as large as 140MB. One is using Virus Total, a website that offers a free quick check of files and websites to see if these files and websites have malware or suspicious software. There are many ways to make sure downloading from APK sites where you get free paid games will not harm your phone or tablet. APK files or APK version of files are usually used to retrieve files that are not on the Google Play Store and are likely to be a threat to devices that use them. apk, similar to how files distributed and installed in Windows-supported devices end in. Application Package Kits or APKs are file formats used in distributing and installing the software in Android-supported devices.