Updates Per Day - FREE AntiVirus Software

Note: The average number of updates/day for each free antivirus program is shown below. The average number of daily updates was calculated over a 2 day period. Generally, the more updates an antivirus program has, the better it is considered to be.

Free Antivirus Versions Tested: Avast! Free AntiVirus 6.0, AVG AntiVirus Free 2011, Avira AntiVir Personal 10.0, BitDefender Free Edition 2009, ClamWin Free AntiVirus 0.97, Comodo Antivirus Free 2011, Digital Defender AntiVirus Free 2.1, Kingsoft Free AntiVirus v2010.08, Microsoft Security Essentials 2.0, Panda Cloud AntiVirus Free 1.4, PC Tools AntiVirus Free 2011, Rising AntiVirus Free Edition 2011.

Graphs compiled April 26, 2011