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10 reviews
May, 2025
alaTest has collected and analyzed 10 reviews of Onyx Boox Tab Ultra. The average rating for this product is 4.0/5, compared to an average rating of 4.2/5 for other products in the same category for all reviews. People are impressed by the design and battery. The usability and performance are also appreciated, whereas there are some less positive opinions about the camera and portability.
screen, performance, usability, battery, design
price, reliability, portability, camera
We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the Onyx Boox Tab Ultra is awarded an overall alaScore™ of 92/100 = Excellent quality.
Expert review by : Thomas Deehan (trustedreviews.com)
High-end e-ink devices are still a fairly new concept but the Onyx Boox Tab Ultra makes a compelling case for their existence.
Full access to the Google Play Store ; Fast performance in spite of its e-ink technology ; Writing is smooth and fluid ; The keyboard accessory makes sense here
The UI lacks the simplicity of the Remarkable 2 ; Accompanying app needs some work
Going far beyond what’s usually expected from an e-ink device, the Onyx Boox Tab Ultra is a full-on Android tablet that combines the benefits of e-ink technology with the wealth of apps on the Google Play Store.
Expert review by : Philip Berne (techradar.com)
Onyx didn't stop to think if it should
Extra long battery life and standby time ; Robust pen features ; Works with an attachable keyboard
Screen refreshes are distracting ; Performance can’t keep up with fast typing ; Camera is not reliable enough
A powerful E Ink tablet running Android with Google Play access, and it even has a camera for scanning. I wish there was a surprise happy ending to this story but the Onyx Boox Tab Ultra is exactly the tablet you’d expect. It can’t handle the things E...
Expert review by : Prakhar Khanna (digitaltrends.com)
The Boox Tab Ultra is an e-ink tablet that runs Android. It's unlike anything else on the market, and while it is expensive, it's also a delight to use.
Big anti-glare display with a matte finish Fast for an e-ink device Excellent battery life Brilliant keyboard case Comes with a stylus
Expensive Keyboard is sold separately
“The Boox Tab Ultra is an Android tablet unlike anything else on the market. With a premium design and lovely e-ink screen, there's a lot to like.”
Expert review by : Rebecca Isaacs (zdnet.com)
Review: The Onyx Boox Tab Ultra is possibly the highest-specced e-ink tablet on the market. For some, that could be overkill. For others, it's exactly what they've been waiting for.
Super smooth writing experience ; Fastest processor to date ; Upgraded home hub and improved features ; New refresh rate customization
Pricey at $599 ; Much heavier than the standard e-ink tablet ; Scanner is inconsistent and unreliable
If you need a handy tablet that combines your e-reader, work notes, and the ability to at least capture images with a camera, the Onyx Boox Tab Ultra is one of the best options available . You'd be hard-pressed to find another e-ink tablet that comes...
Expert review by (androidcentral.com)
The best e-paper tablet is now available with a gorgeous Kaleido 3 color E Ink display, making the Onyx Boox Tab Ultra C the best in the biz. This is one of the best productivity tools in the E Ink segment or otherwise.
Expert review by (androidcentral.com)
Onyx is on a roll as it offers some of the best e-readers, but the Boox Tab Ultra might take the cake. This tablet is so much better than I ever expected.
Expert review by : Kathleen Chapman (the-gadgeteer.com)
The Onyx Boox Tab Ultra E Ink notebook is a nice E Ink Android tablet, but unfortunately, it didn't do what I was hoping it would do. I stated at the beginning of the review that I wanted it to convert the handwritten text into typewritten text to make...
You can download apps from Google Play ; The Boox Pen2 Pro is included with the Tab Ultra ; The Pen2 Pro has an eraser ; There’s no lag when writing ; The battery lasts a week ; You can perform searches on your handwritten notes ; It has front lights...
The Boox Tab Ultra needs a more paper-like feel ; The Boox Notes app didn’t export my notes to my OneNote app (which I think it is supposed to be able to do) ; AI conversion of handwritten text to typed text in the Boox Notes app is confusing ; The Tab...
Expert review by : Tom May (creativebloq.com)
It's like no e-reader you've ever seen, but what's it actually like to use? Our Onyx Boox Tab Ultra C review reveals all.
Colour e-ink display ; Doubles as Android tablet ; Great for note taking ; Excellent keyboard case ; Lots of storage
Websites and videos look weird ; Limited sound ; No audio jack ; Not Android 12
The Onyx Boox Tab Ultra C is a very specific thing for a very specific audience. If you want a standard tablet experience, head elsewhere. But if you want a colour e-ink display that is great for reading graphic novels, comics and manga, as well as...
Expert review by : Jay Bonggolto (androidpolice.com)
The Boox Tab Ultra is one of the most capable E Ink tablets money can buy, but its potential is hampered by E Ink's own limitations
Flexible refresh modes ; E Ink screen is easy on the eyes ; Paper-like screen allows for intuitive doodling and note-taking ; Impressive battery life ; Support for stylus and physical keyboard
More expensive than comparable brands ; The Scanner is often hit-or-miss ; Some Android apps are limited by its e-ink screen ; Slight delay when switching between apps ; Quite heavy for an e-reader
The Boox Tab Ultra is a productivity-promising device with a bevy of usability features under its arsenal. Still, the steep price may hold back some E Ink display enthusiasts after a smaller option or something budget-friendly. If you're in that camp,...
Expert review by : Tyler Hayes (reviewgeek.com)
The Boox Tab Ultra might look like a thick e-book reader, but it's closer to a computer or tablet in use. I even found myself in the web browser watching YouTube videos to prove it was possible. Of course, whether you should actually be doing the same...
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