Yes, both Texting.io and Smarter Contact offer a Free Trial.
Texting.io is designed for Large Enterprises, Medium Business and Small Business.
Smarter Contact is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Texting.io Starts at $18.75/Month when Billed Yearly whereas for Smarter Contact Starts at $99.
Some top alternatives to Texting.io includes SlickText, EZ Texting, ExpertTexting, SimpleTexting, MessageDesk, SMS.to, SMS-iT, TextMagic and ShortySMS.
Some top alternatives to Smarter Contact includes iSalesCRM, SlickText, ExpertTexting, MOBtexting, SimpleTexting, SMS-iT, UltraSMSScript, SMSlocal and Market Locator.