Bigme B7 Color ePaper Tablet vs PocketBook InkPad 4 | Eye-Friendly Audio & E-Book
Updated August 2026 — Bigme B7 Color ePaper Tablet wins on connectivity and storage options, PocketBook InkPad 4 | Eye-Friendly Audio & E-Book wins on audio features and durability.
The Bigme B7 offers superior connectivity and storage, while the PocketBook InkPad 4 excels in reading comfort and durability.
Why Bigme B7 Color ePaper Tablet is better
Connectivity
Built-in 4G allows internet access without Wi-Fi
Storage
128GB internal storage with microSD expansion
Multifunctionality
Android OS supports various applications
Why PocketBook InkPad 4 | Eye-Friendly Audio & E-Book is better
Display
7.8-inch E-Ink display for better reading experience
Audio
Built-in speaker and Text-to-Speech functionality
Durability
IPX8 waterproof rating for added protection
Overall score
Specifications
| Spec | Bigme B7 Color ePaper Tablet | PocketBook InkPad 4 | Eye-Friendly Audio & E-Book |
|---|---|---|
| Connectivity | 4G, Wi-Fi | Bluetooth |
| Audio | None | Built-in speaker |
| Waterproof | No | IPX8 |
| Processor | Octa-core 2.4GHz | N/A |
| RAM | 8GB | N/A |
Dimension comparison
Design and Display
When it comes to design and display, the Bigme B7 Color ePaper Tablet offers a 7-inch color screen, while the PocketBook InkPad 4 features a larger 7.8-inch E-Ink display. The PocketBook's screen is designed with E-Ink Carta 1200 technology, which provides a glare-free reading experience, making it suitable for long reading sessions. The Bigme B7, on the other hand, incorporates a color ePaper display that caters to users looking for a vibrant reading experience.
The difference in size may enhance the reading experience for PocketBook users, while the Bigme B7's color capabilities can appeal to those who enjoy comics or other colorful content. The choice between these two products may depend on whether you prioritize a larger, more traditional e-ink display or the versatility of a color screen.
Connectivity Features
The Bigme B7 stands out with its built-in 4G connectivity, allowing users to browse the internet and make voice calls without relying on Wi-Fi. This feature is particularly beneficial for those who need to stay connected while on the go. In contrast, the PocketBook InkPad 4 does not offer mobile connectivity but includes Bluetooth functionality for audiobook listening and file transfers.
With a price of $289.00 for the Bigme B7, which is about 3.5% cheaper than the PocketBook InkPad 4's $299.00, it may be a more appealing choice for users who value connectivity. If staying connected is a priority, the Bigme B7 is the clear winner in this category.
Audio Capabilities
Audio features are another critical comparison point. The PocketBook InkPad 4 includes a built-in speaker and Bluetooth connectivity, allowing for listening to audiobooks and other audio content. Additionally, it utilizes Text-to-Speech technology to read text files aloud, providing a versatile audio experience. In contrast, the Bigme B7 does not highlight any audio capabilities, focusing instead on its reading and productivity features.
For users who appreciate audiobooks or need a device that can read aloud, the PocketBook InkPad 4 offers significant advantages. Considering the same pricing tier, those interested in audio features may find the PocketBook to be the better option.
Storage and Performance
When evaluating storage and performance, the Bigme B7 boasts 128GB of internal storage, expandable via microSD, and is powered by an octa-core 2.4GHz processor with 8GB of RAM. This configuration is designed for smooth multitasking and app performance, making it an excellent choice for users who require significant storage for documents and apps.
In comparison, the PocketBook InkPad 4 does not specify its storage capacity but supports 25 file formats without conversion, ensuring versatility in file management. However, it may not match the sheer storage capability of the Bigme B7. For users prioritizing performance and storage for various applications, the Bigme B7 is clearly the superior choice.
User Experience and Functionality
The user experience on the Bigme B7 is enhanced by its Android 14 OS, which allows for the installation of various applications, including productivity tools. This versatility makes it more than just an e-reader; it can serve as a multifunctional device for note-taking and document annotation.
Meanwhile, the PocketBook InkPad 4 focuses primarily on providing an optimal reading experience with its eye-friendly display and adjustable SMARTlight feature, which allows users to customize their reading environment. While the PocketBook excels in creating a comfortable reading atmosphere, the multifunctional capabilities of the Bigme B7 present a more comprehensive user experience.
Durability and Protection
In terms of durability, the PocketBook InkPad 4 has an IPX8 waterproof rating, meaning it can withstand immersion in water up to 2 meters deep for 60 minutes, making it a robust option for users who may read near water. Additionally, it features anti-scratch protection to keep the device looking new.
The Bigme B7 does not specify any waterproof features or durability specifications, which could be a potential drawback for users concerned about the longevity of their device. If durability and protection are significant factors in your decision-making, the PocketBook InkPad 4 is the clear winner.
Battery Life
Battery performance is crucial for e-readers, and while specific battery life details are not provided for either device, the Bigme B7 is powered by a 3000 mAh battery, which should offer decent longevity given its varied functionalities. The PocketBook InkPad 4 does not disclose its battery specifications, leaving a gap in this comparison.
However, with the Bigme B7's multifunctionality, users may find themselves requiring more frequent charging compared to the more straightforward reading capabilities of the PocketBook InkPad 4. Therefore, readers who prioritize longer usage times without frequent recharging may want to consider the PocketBook model.
Which should you buy?
Choosing between the Bigme B7 Color ePaper Tablet and the PocketBook InkPad 4 ultimately comes down to your specific needs and preferences. If you value versatility, connectivity, and storage, the Bigme B7 is a strong contender, priced at $289.00. However, if you prioritize a superior reading experience with audio capabilities, durability, and a focus on reading comfort, the PocketBook InkPad 4, priced at $299.00, may be the better choice. Each device has its strengths, so consider what features matter most to you before making a decision.

