Yes, both MessageDesk and Zoho Campaigns offer a Free Trial.
MessageDesk is designed for Large Enterprises, Medium Business and Small Business.
Zoho Campaigns is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for MessageDesk Starts at $29/Month when Billed Yearly whereas for Zoho Campaigns Starts at $3/Month when Billed Yearly.
Some top alternatives to MessageDesk includes Zoho Campaigns, SlickText, ExpertTexting, TextToHire, Senderium, MOBtexting, SimpleTexting, SendHub, Buddy Texts and Dash Notify.
Some top alternatives to Zoho Campaigns includes Pipedrive, Campaigner, Moosend, SMTP, ActiveCampaign, Omnisend, Constant Contact, MailChimp, Campaign Monitor, GetResponse, MailerLite, Emma, FreshMail, SendFox and Zoho Marketing Automation.