Alibaba
Yes, both SocialMailer and SocialBook offer a Free Trial.
SocialMailer is designed for Individuals, Large Enterprises, Medium Business and Small Business.
SocialBook is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both SocialMailer and SocialBook are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to SocialMailer includes Campaigner, Moosend and SMTP.
Some top alternatives to SocialBook includes Upfluence, HYPR, buzzbomb.com, Clinked, CreatorDB, Influence Hero, Mysocial, OMBEA Response and CreatorCheck.