Avast Virus Software Which Is An Better Anti- Virus Software, Avast Home Edition Vs Avira AntiVir Personal?

Which is an better Anti- virus software, Avast Home Edition vs Avira AntiVir Personal? - avast virus software

I have tried AVG, which is not new does not work well

I have Avira Personal Antivirus, scan job, but has problems with the update, and increasingly for download.

I have heard that Avast is a good program for what is it?

Or someone knows better?