Yes, both Mockplus and Qualified offer a Free Trial.
Mockplus is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Qualified is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Mockplus begins at $5.95/User/Month when Billed Yearly, while pricing details for Qualified are unavailable.
Some top alternatives to Mockplus includes Miro, Adobe XD, NinjaMock, Balsamiq, Axure RP, Wireframe.cc, Claritee, Stage, Previewed and Zen Wireframe.
Some top alternatives to Qualified includes CodeScan, AnalyticsVerse, eSkill, Codejudge, CoderPad, DevSkiller, DoSelect, HackerRank and KillerCoder.io.