


They run full Android, complete with Google Play. Onyx makes E Ink readers that could also be considered tablets. With magazines, it depends on how small the text gets. Comics are still readable on both the Nova3 Color and the InkPad Color. An American comic page is about 10.8 inches on the diagonal, and magazines are generally 13.9 inches diagonal. Typical 6-inch black-and-white ebook readers are great for text-heavy works 7.8-inch devices are just right for comics, color travel guidebooks, and many magazine pages and PDFs. That's what the Boox Nova3 Color and the competing PocketBook InkPad Color ($329) are based on. Kaleido Plus improves the color saturation and makes 7.8-inch screens possible. Kaleido is a black-and-white E Ink screen with color filters on top, delivering color without expensive pigments. The newer E Ink Kaleido, and now Kaleido Plus, appear to finally balance capability and cost. E Ink (the company, as distinct from the general term e-ink or digital ink) suffered a similar failure with Triton in 2013, and its current four-color ACeP screens have refresh rates too slow for consumer ebook readers. Qualcomm's Mirasol project flopped in the 2010s.

Various companies have been trying to make color e-ink or similar displays for a decade now. Long-Awaited Color, Still Flawedįans of e-ink devices love their restful, sunlight-readable screens and long battery life, but so far, digital ink has mostly been monochrome. Color ebook reader technology continues to develop, but right now it just isn't where readers need it to be. Onyx may eventually be able to improve this with a software update until then, you'll be stuck hitting the manual refresh button a lot. Unfortunately, the beautiful display suffers from a ghosting problem so bad that it's probably a dealbreaker. The Onyx Boox Nova3 Color ($419.99) makes the best of its color e-ink screen, juggling full-color comics, magazines, PDFs, and news apps with aplomb.
