Yes, both Stencil and Canva offer a Free Trial.
Stencil is designed for Large Enterprises, Medium Business and Small Business.
Canva is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Stencil Starts at $9/Month when Billed Yearly whereas for Canva Starts at $9.99/Month when Billed Yearly.
Some top alternatives to Stencil includes Canva, Snappa, Bannerly, BrandBird, Qualified, Workvivo, Blog To Social, Stencil, APITemplate.io, Bannereasy, Baseline and Canva Visual Worksuite.
Some top alternatives to Canva includes Looka, Adobe XD, Figma, Adobe Photoshop, Adobe Photoshop Express, CorelDraw, Adobe Illustrator, Picmaker, Filmora and Designmaker.