Yes, both MessageDesk and DialogTab offer a Free Trial.
MessageDesk is designed for Large Enterprises, Medium Business and Small Business.
DialogTab is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for MessageDesk Starts at $29/Month when Billed Yearly whereas for DialogTab Starts at $19/User/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 DialogTab includes BusinessOnBot, 360dialog, Konverse AI, Conversational AI Bot, Qualified, StoryFile Conversa, Convin, Workvivo, Messenger Communication Platform, Conversocial and IFTTT.