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

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

Pick the Sprocket Portable Photo Printer if you care most about hybrid (digital + print) and 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 tells you both are well-rounded; the differences are about trade-offs, not quality.