Can you kindly tell me, open source or free antivirus codes are safe or not? If safe, how is it possible as there are so many antivirus programs, giving the same security by taking a bit of money?
With Regards,
Arpan Purakait
avast free is a free antivirus which beats paid products and has the same protection as the paid versions have… 
There is always a group of users that paid for our products. It’s the freemium model.
Besides, avast! is the antivirus with most users in the world. We can use this communtity to increase our protection and reach further 