Yes, both AppInstitute and 2OS App Builder offer a Free Trial.
AppInstitute is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
2OS App Builder is designed for Large Enterprises, Medium Business and Small Business.
The starting price of AppInstitute begins at $42/Month when Billed Yearly, while pricing details for 2OS App Builder are unavailable.
Some top alternatives to AppInstitute includes AppYourself, Bizness Apps, A2Zapps, Apphive, Native, geekApps, 2OS App Builder and AppMaster.io.
Some top alternatives to 2OS App Builder includes Quick Base, Nwicode, NoCodeZ, Appy Pie, Logiak, DrapCode, Undaku, Codeless, NoCodeAPI, CitizenDeveloper and Codebots.