Slickplan offers Free Trial, but SITE123 does not.
Slickplan is designed for Large Enterprises, Medium Business and Small Business.
SITE123 is designed for Freelancers, Medium Business and Small Business.
Pricing for Slickplan Starts at $8.99/Month whereas for SITE123 Starts at $5.80/Month.
Some top alternatives to Slickplan includes Unbounce, VWO Deploy, WordPress, SITE123, Wix, Weebly, Elementor, WebsiteBuilder, Bookmark Website Builder, Format, Website.com, GoDaddy Website Builder, NinjaSites by 500apps, WebSmith and Web.com.
Some top alternatives to SITE123 includes Unbounce, VWO Deploy, WordPress, Wix, Squarespace, Envato Sites, WebsiteBuilder, Bookmark Website Builder, Webs, Format, Website.com, SiteBuilder.com, GoDaddy Website Builder and Web.com.