PocketBook InkPad 4 | Eye-Friendly Audio & E-Book vs VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity
Updated August 2026 — PocketBook InkPad 4 | Eye-Friendly Audio & E-Book wins on audio and display size, VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity wins on storage and portability.
The VIWOODS 6.13'' Carta1300 AiPaper Reader offers superior portability and innovative AI features, making it a better value overall.
Why PocketBook InkPad 4 | Eye-Friendly Audio & E-Book is better
Audio Features
PocketBook has built-in speaker and Text-to-Speech.
Display Size
PocketBook has a larger 7.8-inch display.
Waterproof
PocketBook is IPX8 waterproof.
Why VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity is better
Portability
VIWOODS is ultra-thin and lightweight.
Storage
VIWOODS has 128GB storage capacity.
AI Features
VIWOODS includes AI functionalities for learning.
Overall score
Specifications
| Spec | PocketBook InkPad 4 | Eye-Friendly Audio & E-Book | VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity |
|---|---|---|
| Display | E-Ink Carta 1200 | Carta 1300 |
| Resolution | Not specified | 300 PPI |
| Battery Life | Weeks | Weeks |
| Audio Support | Yes | No |
| Light Adjustment | SMARTlight | 20 levels cool |
Dimension comparison
Design and Portability
The VIWOODS 6.13'' Carta1300 AiPaper Reader is designed to be ultra-thin and lightweight, making it more portable than the PocketBook InkPad 4. Weighing only 138 grams and measuring just 6.7mm thick, it is compact enough to fit easily in your pocket. In contrast, the PocketBook InkPad 4 features a larger 7.8-inch display that, while providing a more spacious reading experience, adds to its bulk. This makes the PocketBook less convenient for travel compared to the sleek and lightweight design of the VIWOODS, which is ideal for commuting or on-the-go reading.
Display Quality
When it comes to display quality, the PocketBook InkPad 4 offers a larger screen with a 7.8-inch E-Ink display, compared to the VIWOODS' 6.13-inch screen. The PocketBook's E-Ink Carta 1200 technology provides a crisp and glare-free reading experience, making it suitable for long reading sessions. However, the VIWOODS boasts a high-resolution 300 PPI display, which ensures sharp text and images. While both devices provide comfortable reading experiences, the PocketBook's larger size may benefit readers who prefer more text on the screen at once, whereas the VIWOODS excels in portability and high resolution.
Audio Features
The PocketBook InkPad 4 features integrated audio capabilities, including a built-in speaker and Bluetooth connectivity, allowing users to enjoy audiobooks and utilize its Text-to-Speech function. This makes it a versatile option for those who appreciate both reading and listening. On the other hand, the VIWOODS lacks built-in audio features but does offer compatibility with Bluetooth headphones for audiobook playback. This means that while the PocketBook provides a more comprehensive audio experience out of the box, the VIWOODS still allows for listening but requires additional accessories.
Lighting and Reading Comfort
In terms of reading comfort, both devices offer adjustable lighting features. The PocketBook InkPad 4 comes with a SMARTlight function that allows users to adjust both the brightness and the color temperature, making it versatile for different lighting conditions. In contrast, the VIWOODS features 20 levels of adjustable cool light, but does not include a warm light option. This means that while the PocketBook provides more flexibility in lighting adjustments, the VIWOODS still offers adequate illumination for comfortable reading in various environments.
Storage Capacity
The VIWOODS AiPaper Reader stands out with its impressive 128GB storage capacity, allowing users to store a vast library of books and documents. This is a significant advantage for avid readers who need ample space for their e-books. The PocketBook InkPad 4 does not specify its storage capacity, which could be a limiting factor for users concerned about available space. With 128GB, the VIWOODS ensures that users won’t have to worry about running out of storage anytime soon, making it a robust choice for those who prefer to keep a large collection at hand.
AI Features
The VIWOODS integrates AI functionalities that enhance the reading experience. With an AI button for instant assistance and features like AI Screenshot Q&A, users can receive detailed summaries and explanations, making learning more interactive. This is particularly beneficial for students or professionals who require quick access to information. The PocketBook InkPad 4, while feature-rich, does not include any AI capabilities, which means it may not offer the same level of interactive learning experience as the VIWOODS.
Price and Value
In terms of pricing, the PocketBook InkPad 4 is currently priced at $299.00, while the VIWOODS is slightly cheaper at $279.99. This makes the VIWOODS about 6.7% less expensive than the PocketBook. Given the features offered by each device, the VIWOODS provides substantial value, particularly with its high-resolution display and storage capacity. Although the PocketBook offers unique audio features, the price difference may sway budget-conscious consumers toward the VIWOODS.
Which should you buy?
Ultimately, the choice between the PocketBook InkPad 4 and the VIWOODS 6.13'' Carta1300 AiPaper Reader depends on individual preferences and reading habits. If you prioritize a larger display and built-in audio functionality, the PocketBook may be the better choice for you. However, if portability, high-resolution display, and innovative AI features are more important, the VIWOODS offers significant advantages at a lower price. Each device has its strengths, so consider what aspects matter most in your reading experience before making a decision.

