Polaroid Z340 Camera Printer Review
Terribly convenient, but also terrible printer.
Both are relatively cheap considering what they are, but in the long run the Polaroid Z340 will probably save you more money with the lack of ink. Still, what you get with paying the extra for the HP 536 is bluetooth connectivity, the ability to make 4x6 and 5x7 prints, and the ability to print from a computer. This value matchup comes down to convenience versus versatility.
Across the board the A646 is the winner, as its ability to use custom profiles boosts its accuracy to very good levels, while the Polaroid just flounders in this comparison.
The Polaroid Z340's detail is just plainly abysmal, so even an average at best printer like the A646 can trounce it in a comparison of scans.
Both printers have their value and both have their appeal, but if you want prints bigger than 3 x 2 that you can frame or give to your friends, we'd suggest the A646, as it can not only print from a smartphone, but is very versatile in its connectivity options. The instant print function of the Polaroid is nice, but the prints aren't quite there yet.
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