Bigme B7 Color ePaper Tablet vs PocketBook InkPad 4 | Eye-Friendly Audio & E-Book
Updated August 2026 — Bigme B7 Color ePaper Tablet wins on storage and connectivity, PocketBook InkPad 4 | Eye-Friendly Audio & E-Book wins on waterproof and audio.
The Bigme B7 offers multifunctionality with 4G connectivity, while the PocketBook InkPad 4 excels in dedicated reading features and durability.
Why Bigme B7 Color ePaper Tablet is better
Price
Bigme B7 is slightly cheaper at $289.00.
Performance
Bigme has a powerful octa-core processor.
Storage
Bigme offers expandable storage via microSD.
Why PocketBook InkPad 4 | Eye-Friendly Audio & E-Book is better
Display
PocketBook has a larger 7.8-inch E-Ink display.
Durability
PocketBook is IPX8 waterproof.
Audio Features
PocketBook supports audiobooks and text-to-speech.
Overall score
Specifications
| Spec | Bigme B7 Color ePaper Tablet | PocketBook InkPad 4 | Eye-Friendly Audio & E-Book |
|---|---|---|
| Processor | Octa-core 2.4GHz | N/A |
| Connectivity | 4G, Wi-Fi | Bluetooth |
| Audio | No | Yes |
| File Support | N/A | 25 formats |
| Operating System | Android 14 | N/A |
Dimension comparison
Design and Display
The Bigme B7 Color ePaper Tablet features a 7-inch color display, while the PocketBook InkPad 4 boasts a larger 7.8-inch E-Ink display. The difference in size may enhance the reading experience for users who prefer a more substantial screen. The Bigme's compact design makes it more portable, whereas the PocketBook's larger display is designed for comfortable reading over extended periods. Both devices prioritize eye comfort; however, the PocketBook specifically highlights its glare-free touchscreen, making it ideal for long reading sessions without straining the eyes.
Performance and Functionality
In terms of performance, the Bigme B7 is powered by an octa-core 2.4GHz processor with 8GB of RAM and 128GB of internal storage, making it a robust choice for multitasking and app usage. It also supports expandable storage via microSD, catering to users who need additional space for documents and media. On the other hand, the PocketBook InkPad 4 supports 25 different file formats without conversion, which offers significant versatility for users who read various types of content. While the Bigme excels in performance, the PocketBook provides a more straightforward reading experience without the need for file conversions.
Connectivity Options
The Bigme B7 stands out with its built-in 4G connectivity and call support, allowing users to browse the web and make voice calls without Wi-Fi. This feature makes it a truly multifunctional device, serving as both an e-reader and a tablet. In contrast, the PocketBook InkPad 4 focuses on reading and audio features, offering Bluetooth connectivity for listening to audiobooks and a built-in speaker for text-to-speech functionality. While the Bigme appeals to those needing constant connectivity, the PocketBook caters to dedicated readers who enjoy audiobooks and audio features.
Battery Life
The Bigme B7 is equipped with a 3000mAh battery, which provides ample power for its various features, including 4G connectivity and app usage. However, the specific battery life is not mentioned, leaving some uncertainty regarding how long it will last under heavy use. The PocketBook InkPad 4’s battery performance is not explicitly detailed either, but it is designed for extensive reading sessions, which implies a longer battery life tailored for dedicated reading. Users may want to consider how they plan to use their devices when evaluating battery life.
User Experience and Interface
The Bigme B7 runs on Android 14, offering a familiar interface for those accustomed to Android devices. This allows users to download apps and customize their reading experience significantly. Conversely, the PocketBook InkPad 4 is designed with a focus on reading, featuring an interface that supports easy navigation and an eye-friendly reading experience. The InkPad 4's design aims to minimize distractions, making it ideal for users who prefer a straightforward e-reading experience without the complexities of a full tablet interface.
Durability and Protection
The PocketBook InkPad 4 offers enhanced durability with its IPX8 waterproof rating, allowing it to withstand water immersion up to 2 meters for 60 minutes. This feature is particularly advantageous for users who may read near water or in humid environments. Additionally, it comes with anti-scratch protection to keep the screen pristine. The Bigme B7 does not mention any specific water or scratch resistance, which may make it less appealing for users who prioritize durability in their devices.
Price Comparison
The Bigme B7 is priced at $289.00, making it about 3% cheaper than the PocketBook InkPad 4, which retails for $299.00. This minor price difference may not significantly sway buyers, but it does suggest that the Bigme offers a slightly more affordable option for those looking for a multifunctional e-reader and tablet hybrid. However, potential buyers should weigh the price against the features offered by each device, as the PocketBook may justify its price with its dedicated reading features and durability.
Which should you buy?
Choosing between the Bigme B7 and the PocketBook InkPad 4 depends on your specific needs. If you seek a multifunctional device that combines e-reading with tablet capabilities and 4G connectivity, the Bigme B7 might be the better choice. However, if your primary focus is on a dedicated reading experience with a larger, glare-free display and enhanced durability, the PocketBook InkPad 4 stands out. Ultimately, both devices cater to different user preferences, making your choice contingent on what features you value most in an e-reader.

