Xteink X4 Pro Pocket E-Reader Review (2026): Fun but Limited
The Xteink X4 Pro is a highly portable, 4.3-inch e-reader designed to attach magnetically to some smartphones, offering an appealing alternative for readers who want a lightweight device rather than reading on a phone. Its touchscreen, home button and adjustable warm or cool front light improve on the earlier X4, but its small display and lack of an integrated ebook shop limit its broader usefulness.
Priced at $109, or $99 at the time of review, the 72-gram device is 5.95 mm thick and includes 16 GB of storage, expandable to 256 GB via microSD. Users must supply and manage EPUB files or send web articles through the companion app, which may be inconvenient for those accustomed to Kindle-style stores; the default settings show roughly a paragraph and a half per page and do not allow text-size changes without importing fonts or adding software.
In short
- Tiny, capable e-reader with notable practical limitations.
- No ebook shop means users must manage files themselves.
- Small screen requires frequent page turns.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
Readers who prioritise extreme portability and distraction-free reading could find the X4 Pro genuinely appealing, as its 72-gram weight and 5.95mm profile solve the genuine problem of carrying a dedicated reading device without additional bulk or smartphone temptation. For those already comfortable managing EPUB files, the $99-109 price point offers reasonable value, and the touchscreen improvements over its predecessor represent meaningful progress toward a practical pocket-sized reader for mobile contexts where larger devices prove impractical.
The case against
The device's practical limitations outweigh its portability advantages for most readers; the 4.3-inch display's constraint to roughly a paragraph per page creates significant readability friction, whilst the absence of an integrated shop, inability to adjust text sizes without workarounds, and requirement for manual file management eliminate the seamless usability that established e-readers provide. For typical readers, these trade-offs render the device impractical despite its modest cost, making it a niche product rather than a genuine alternative to mainstream options.
Explained simply
E-readers use screens designed for reading digital books, often with less glare than a phone display. Some are built to be small and light enough to carry alongside a phone, but a smaller screen means less text fits on each page.
The Xteink X4 Pro is a pocket-sized e-reader that can attach magnetically to some smartphones. It stores books as files, so readers need to find and load their own ebooks rather than buying them through a built-in shop.
That makes it different from devices such as Kindle, which offer an integrated book store. Its appeal depends on whether readers value portability and a separate reading screen more than a larger display and a ready-made way to find books.