HP - Sprocket Portable Photo Printer vs Fujifilm - Instax mini 99

The Sprocket Portable Photo Printer is the clear pick on raw spec strength, leading by 8.8 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

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 Instax mini 99 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: the Sprocket Portable Photo Printer is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.