HP - Sprocket Portable Photo Printer vs Polaroid - Go Generation 2

These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.

Pick the Sprocket Portable Photo Printer if you care most about hybrid (digital + print) / film format. The biggest gaps in its favor are hybrid (digital + print), film format.

Pick the Go Generation 2 if you care most about double exposure. Its strongest claims are double exposure.

There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.