Yes, both Alerti and Mentionlytics offer a Free Trial.
Alerti is designed for Large Enterprises, Medium Business and Small Business.
Mentionlytics is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Alerti Starts at $7.50/Month when Billed Yearly whereas for Mentionlytics Starts at $29/Month.
Some top alternatives to Alerti includes Cloud90, ReviewBuzz, Mentionlytics, Mention, Reputation.com, Reptrics, RepCheckup, Reputation Studio, ReviewRev and ReputationDefender.
Some top alternatives to Mentionlytics includes Convuent, ReviewBuzz, ReviewInc, Reputation.com, Trustpilot, Critique, Guestmeter, ChatMeter, Reputation Studio and ReviewGain.