When comparing Mac Internet Security X9 vs Avira, the Slant community recommends Avira for most people. In the question“What is the best antivirus software for the Mac OS?” Avira is ranked 3rd while Mac Internet Security X9 is ranked 4th. The most important reason people chose Avira is:
Optional installs include VPN, System Speedup, a password manager, browser extensions, and a hardened browser. In the case that you've downloaded the [Free Suite](https://www.avira.com/en/free-security-suite) (not recomended), you can uninstall the above mentioned additional downloads with Avira's Connect app or any uninstaller utility software. This flexibility to cherry pick your _extra_ software keeps the bloatware down somewhat.
Ranked in these QuestionsQuestion Ranking
Pro It's possible to switch between different security profiles based on network
While you are at home, you can use one security profile, and then when connected to public internet it can automatically switch over to a more secure profile.
Pro Many different packages depending on what your specific needs are
If you know what products you need or want it is nice to have the flexibility to buy the software package that has what you need/ want or rather a package that leaves out what you don't want or need for a lower price tag.
Pro Can be set to inform of malware via email
As soon as the software detects malware it can notify you via email.
Pro Detects Windows malware as well
This is useful if you dual-boot into Windows, as this single program covers both operating systems.
Pro Clean and intuitive interface
Pro Can install more components if you wish.
Optional installs include VPN, System Speedup, a password manager, browser extensions, and a hardened browser.
In the case that you've downloaded the Free Suite (not recomended), you can uninstall the above mentioned additional downloads with Avira's Connect app or any uninstaller utility software. This flexibility to cherry pick your extra software keeps the bloatware down somewhat.
Con Not available in the App Store
Con Not an all-in-one app
There are a variety of different apps for different security functions and purposes instead of one central application. Not recommended for the non-tech savvy.
Con Pop up window when scanning new disk volumes
Con Takes up a lot of space
This program takes 1.5GB of storage - which is a lot compared to other antiviruses.
Con Occasional pop-up ad in the taskbar
The ad is nagging the user to purchase Avira
Con Extras like Browser Safety include offers/deals when you're shopping
This is exactly the sort of behavior users want to prevent when using antivirus and similar security tools.