Yes, both Quick Base and Microsoft Power Apps offer a Free Trial.
Quick Base is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Microsoft Power Apps is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Quick Base begins at $35/user/month when yearly, while pricing details for Microsoft Power Apps are unavailable.
Some top alternatives to Quick Base includes Smartsheet, Internal, Caspio, Microsoft Power Apps, Flowfactory, Undaku, OptimumHQ, CitizenDeveloper and The m-Power Development Platform.
Some top alternatives to Microsoft Power Apps includes Mendix, Oracle Application Express, AgilePoint NX, LiveCode, Appup by 500apps, Simplifier, DOCOVA, Netcall Liberty Create, SDMT LCAP/LCNC Platform and The m-Power Development Platform.