If you just answer the messages you receive, you may miss a large part, actually a very attractive part, of the huge member base.
Visit Official Website of Pina Love Filipino Popularity: Founded in 2001, Filipino Cupid is hugely popular among Filipino singles and people who want to date them.
According to the website, it's the largest Filipino dating site with 3.5 million members, which means you may have better chance to find your love on the site, than on many other similar sites. As a free member, you can communicate with paid members, but not other free members.
If you just want to browse the site or have a very tight budget, this is certainly a viable option.
More importantly, the move builds trust and distinguishes you from free members.