TechCrunch·May 3, 2026

📱Xteink X3: A $80 E-Ink Reader for iPhone

This tiny e-reader is a game changer for iPhone users

TL;DR

The Xteink X3, priced at $80, is an e-ink reader that magnetically attaches to iPhones. It holds hundreds of books and supports open-source firmware for better usability.

The Xteink X3 retails for $80 as a compact e-reader designed to attach to your iPhone like a Pop Socket. This device features a 3.7-inch screen, capable of storing hundreds of books. However, its initial firmware is clunky and not user-friendly. A community-driven open-source firmware called CrossPoint offers a smoother experience once installed. The X3 lacks USB-C support but uses magnetic charging for convenience. After two weeks of consistent use, the battery charge dropped by just 4%, indicating impressive longevity.

Xteink X3: A $80 E-Ink Reader for iPhone

Key Points

1

The Xteink X3 is priced at $80 and has a 3.7-inch screen.

2

It can hold hundreds of books, making it ideal for avid readers.

3

CrossPoint, an open-source firmware, improves the user experience over clunky stock firmware.

4

Battery charge dropped by just 4% after two weeks of use, showing good battery life.

5

Files can be transferred to the device via Wi-Fi from a phone or computer.

Why It Matters

If you're an iPhone user looking for a compact e-reader that attaches like a Pop Socket and holds hundreds of books, the Xteink X3 at $80 is worth considering. However, it's essential to install CrossPoint firmware for better usability.

e-readeriPhone accessoryCrossPoint

Frequently Asked Questions

Why does this matter?

If you're an iPhone user looking for a compact e-reader that attaches like a Pop Socket and holds hundreds of books, the Xteink X3 at $80 is worth considering. However, it's essential to install CrossPoint firmware for better usability.

What happened?

The Xteink X3, priced at $80, is an e-ink reader that magnetically attaches to iPhones. It holds hundreds of books and supports open-source firmware for better usability.

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