Yes, both NasMetrics and Avospy offer a Free Trial.
NasMetrics is designed for Large Enterprises, Medium Business and Small Business.
Avospy is designed for Large Enterprises, Medium Business and Small Business.
Pricing for NasMetrics Starts at $12.50/Month when Billed Yearly whereas for Avospy Starts at $50/Year.
Some top alternatives to NasMetrics includes SimilarWeb Pro, Google Analytics, UserSurge, Socialoop, WebForce Analytics, 66Analytics, AppMetrix, Steel Analytics and Aqvil Analytics.
Some top alternatives to Avospy includes SimilarWeb Pro, SEO Sitecheckup, OnPage Champ, AvesAPI, Screpy, UpTime.onl, Google Analytics, Matomo, Analyzz, Moniro and Auditzy.