Yes, both Clerk Chat and MessageDesk offer a Free Trial.
Clerk Chat is designed for Medium Business and Small Business.
MessageDesk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Clerk Chat Starts at $29.99/Month when Billed Yearly whereas for MessageDesk Starts at $29/Month when Billed Yearly.
Some top alternatives to Clerk Chat includes Zoho Campaigns, Salesmsg, SMS Gateway Hub, SimpleTexting, MessageDesk, Zipwhip, SMS.to, Texting.io, Falkon SMS and Textline.
Some top alternatives to MessageDesk includes Zoho Campaigns, SlickText, ExpertTexting, TextToHire, Senderium, MOBtexting, SimpleTexting, SendHub, Buddy Texts and Dash Notify.