Yes, both Zoho Campaigns and Salesmsg offer a Free Trial.
Zoho Campaigns is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Salesmsg is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zoho Campaigns Starts at $3/Month when Billed Yearly whereas for Salesmsg Starts at $35/Month.
Some top alternatives to Zoho Campaigns includes Campaigner, Moosend, SMTP, ActiveCampaign, Omnisend, Constant Contact, MailChimp, Campaign Monitor, GetResponse, MailerLite, Emma, FreshMail, SendFox and Zoho Marketing Automation.
Some top alternatives to Salesmsg includes SlickText, ExpertTexting, MOBtexting, SimpleTexting, MessageDesk, Texting.io and Falkon SMS.