Avira and Bitdefender are top-of-the-line security suites with impeccable malware detection rates, powerful real-time security and reliable ransomware defense. They also provide a wide range of additional features like an VPN and file shredder as well as additional security for privacy as well as one-click optimization. Both software programs are easy to use and have impressive test results from third parties. Both are accessible with a 30 day free trial for the majority of packages.

Both programs are well-known for their light system requirements. Based on independent tests conducted by the AV Test, they produce an insignificant impact on the performance of computers. The results indicate that bitdefender's scans are more demanding on the system than Avira's.

Both products are easy to use and offer an array of security and additional utilities. Both have high malware detection rates and real-time protection is highly effective. Bitdefender's security levels are more advanced than Avira's. Both suites are extremely customizable and offer excellent performance when compared with other software.

BitDefender has a sleek, modern interface that is characterized by grey and white colors. It displays your system's status at the top of the screen and also provides links to various areas of the program on the left rail. Its one-click optimizer functions similar to avira's, which will locate junk files, registry issues and unneeded browser information that can be removed to free space.

Both programs offer a wide variety of support options including phone, email and live chat for users who pay. Both programs also have a complete knowledge base that includes how-to videos and articles in various languages. Avira has a community forum where you can ask questions and get answers.