Neither Sketch nor Primary offers a free trial.
Sketch is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Primary is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Sketch Starts at $9/User/Month whereas for Primary Starts at $8/Month when Billed Yearly.
Some top alternatives to Sketch includes Looka, Figma, Canva, CorelDraw, Xara Designer Pro, Drawtify, DesignGapp, Adobe Illustrator, Vectornator Pro and Gravit Designer.
Some top alternatives to Primary includes Figma, FigJam, UX-App, UXCam, UserX, User Insights, UserZoom, Optimal Workshop, UX Metrics, UserBit, Proven by Users and Lean UX Canvas.