OBOOK5 eBook Readers, 4.26" Glare-Free Display, vs PocketBook InkPad 4 | Eye-Friendly Audio & E-Book
Updated August 2026 — OBOOK5 eBook Readers, 4.26" Glare-Free Display, wins on value and battery, PocketBook InkPad 4 | Eye-Friendly Audio & E-Book wins on build and size.
The OBOOK5 offers excellent battery life and affordability, while the PocketBook InkPad 4 excels in display size and durability.
Why OBOOK5 eBook Readers, 4.26" Glare-Free Display, is better
Price
OBOOK5 is significantly more affordable.
Battery
OBOOK5 lasts weeks on a single charge.
Simplicity
OBOOK5 has a straightforward navigation.
Why PocketBook InkPad 4 | Eye-Friendly Audio & E-Book is better
Display
PocketBook has a larger 7.8-inch screen.
Durability
PocketBook is waterproof and has anti-scratch protection.
Audio
PocketBook includes Text-to-Speech functionality.
Overall score
Specifications
| Spec | OBOOK5 eBook Readers, 4.26" Glare-Free Display, | PocketBook InkPad 4 | Eye-Friendly Audio & E-Book |
|---|---|---|
| Screen Size | 4.26" | 7.8" |
| Battery Life | Weeks | Not specified |
| Waterproof | No | Yes |
| Audio Support | Built-in Speaker | Speaker & Bluetooth |
| Text-to-Speech | No | Yes |
Dimension comparison
Display Quality
When it comes to display quality, the PocketBook InkPad 4 stands out with its larger 7.8-inch E-Ink screen compared to the OBOOK5's 4.26-inch glare-free display. The larger size of the PocketBook provides a more immersive reading experience, making it ideal for long reading sessions. Both devices utilize advanced E-Ink technology to ensure that text appears crisp and clear, mimicking the look of printed paper. However, the InkPad 4's E-Ink Carta 1200 screen is specifically designed to reduce glare, which enhances comfort during extended use. The OBOOK5, while impressive with its 219ppi resolution, may not match the expansive viewing area of the InkPad 4.
Audio Features
The audio capabilities of both e-readers add a new dimension to the reading experience. The OBOOK5 offers a built-in speaker and supports audiobooks, allowing users to switch seamlessly between reading and listening. Meanwhile, the PocketBook InkPad 4 also includes a built-in speaker and Bluetooth connectivity, enabling users to enjoy audiobooks wirelessly. Additionally, the InkPad 4 features a Text-to-Speech function, which allows it to read any text file aloud with a natural voice. This added functionality makes the InkPad 4 a more versatile option for users who appreciate listening to books or documents, surpassing the OBOOK5's audio features.
Battery Life
Battery life is a crucial factor for e-reader users, and here the OBOOK5 excels. It boasts an impressive battery life that can last for weeks on a single charge, making it a great companion for travel or daily commutes. The ability to recharge via USB-C adds to its convenience. In contrast, while the PocketBook InkPad 4 also offers a good battery life, specific details regarding its longevity on a single charge were not provided, making it hard to compare directly. Therefore, for users who prioritize long-lasting battery performance, the OBOOK5 takes the lead.
Build Quality and Durability
The durability of an e-reader can significantly influence a user's experience, especially for those who read on the go. The PocketBook InkPad 4 is designed with anti-scratch protection and is IPX8 waterproof, meaning it can withstand immersion in water up to 2 meters deep for 60 minutes. This level of protection makes it an excellent choice for those who might use their device near water or in various environments. The OBOOK5, while well-built, does not offer the same level of water resistance or scratch protection, making the InkPad 4 the more robust option for adventurous readers.
File Format Support
File format compatibility is essential for e-readers, and the PocketBook InkPad 4 excels in this category. It supports 25 different formats, including popular ones like EPUB, PDF, and JPEG, allowing users to access a wide variety of content without the hassle of converting files. The OBOOK5's file format compatibility is not detailed, but it is implied to be more limited compared to the comprehensive support provided by the InkPad 4. For users who prefer diverse reading material, the PocketBook InkPad 4 offers greater flexibility and freedom.
User Interface and Navigation
The OBOOK5 features a smart button for easy navigation, providing a straightforward way to turn pages and access menus. This user-friendly design enhances the reading experience, particularly for those who prefer simplicity. On the other hand, the PocketBook InkPad 4's user interface is optimized for its larger screen, making it easy to navigate through various options and settings. Although both devices prioritize user experience, the decision may come down to personal preference regarding interface design and navigation style.
Price Comparison
In terms of pricing, the OBOOK5 is significantly more affordable, currently retailing at $89.98, while the PocketBook InkPad 4 is priced at $299.00. This difference represents about a 66% increase in price for the InkPad 4. For budget-conscious consumers, the OBOOK5 presents a compelling option without sacrificing essential features. However, potential buyers should weigh the additional features and benefits of the PocketBook InkPad 4 against its higher price tag, particularly if they value the extra screen size and durability.
Which should you buy?
Choosing between the OBOOK5 and the PocketBook InkPad 4 ultimately depends on individual preferences and priorities. If you are looking for a more budget-friendly option that excels in battery life and simplicity, the OBOOK5 is a worthy choice. However, if you value a larger, more immersive display, superior audio capabilities, and enhanced durability, the PocketBook InkPad 4 may justify its higher price. Each device offers unique strengths, making them suitable for different types of readers.

