Bigme B751C S Ebook Reader, vs PocketBook InkPad 4 | Eye-Friendly Audio & E-Book
Updated August 2026 — Bigme B751C S Ebook Reader, wins on storage and os, PocketBook InkPad 4 | Eye-Friendly Audio & E-Book wins on audio and durability.
The Bigme B751C S offers extensive storage and multifunctionality, while the PocketBook InkPad 4 excels in audio features and durability.
Why Bigme B751C S Ebook Reader, is better
Storage
Bigme B751C S has 64GB internal storage and expandable up to 1TB.
Operating System
Bigme B751C S runs on Android 14 OS.
Price
Bigme B751C S is more affordable at $265.05.
Why PocketBook InkPad 4 | Eye-Friendly Audio & E-Book is better
Audio Features
PocketBook InkPad 4 has built-in speaker and Bluetooth.
Display Size
PocketBook InkPad 4 features a larger 7.8-inch display.
Durability
PocketBook InkPad 4 is IPX8 waterproof.
Overall score
Specifications
| Spec | Bigme B751C S Ebook Reader, | PocketBook InkPad 4 | Eye-Friendly Audio & E-Book |
|---|---|---|
| Screen Size | 7 inch | 7.8 inch |
| Internal Storage | 64GB | Not specified |
| Audio Support | No | Yes |
| Waterproof | No | Yes (IPX8) |
| Operating System | Android 14 | Proprietary |
Dimension comparison
Introduction to E-Readers
E-readers have transformed the way we consume literature, offering convenience and portability. In this comparison, we will examine the Bigme B751C S Ebook Reader and the PocketBook InkPad 4. Both devices are designed for avid readers, but they present unique features and price points that may cater to different preferences.
Design and Display
The Bigme B751C S features a 7-inch color E-Paper display, while the PocketBook InkPad 4 boasts a larger 7.8-inch E-Ink display. The B751C S is designed for eye-friendly reading with its color E-ink screen, which minimizes glare, making it suitable for reading in sunlight. On the other hand, the InkPad 4's E-Ink Carta 1200 screen offers a crisp, glare-free experience, ideal for extended reading sessions. The difference in screen size may appeal to users who prefer a more immersive reading experience provided by the InkPad 4.
Audio and Multimedia Capabilities
The PocketBook InkPad 4 excels in audio features, equipped with a built-in speaker, Bluetooth connectivity, and Text-to-Speech technology. This enables users to listen to audiobooks or have text read aloud in a natural voice. In contrast, the Bigme B751C S, while mainly focused on reading, allows for live audio recording and transcription, which may be beneficial for students or professionals. If audio functionality is a priority, the PocketBook InkPad 4, priced at $299.00, offers a better multimedia experience compared to the Bigme's $265.05.
Storage and Expandability
When it comes to storage, the Bigme B751C S provides 64GB of internal storage along with a TF card slot for expandable storage up to 1TB. This flexibility allows users to store a vast library of eBooks and media files. The PocketBook InkPad 4 does not specify its internal storage capacity but supports various formats without the need for file conversion. For users who prioritize extensive storage and the option to expand, the Bigme B751C S is the clear winner.
Operating System and Functionality
The Bigme B751C S runs on Android 14 OS, which allows users to install various applications, making it a versatile device beyond just an e-reader. This can enhance productivity by enabling note-taking and handwriting conversion. In contrast, the PocketBook InkPad 4 focuses primarily on reading and listening, offering a streamlined experience without the additional capabilities of a full operating system. For those looking for multifunctionality, the Bigme B751C S at $265.05 is a more attractive option.
User Experience and Performance
In terms of user experience, the PocketBook InkPad 4 ranks higher with a sales rank of 48,034 compared to the Bigme B751C S, which holds a rank of 65,746. This indicates that the InkPad 4 is more popular among users, potentially due to its advanced features, such as the adjustable SMARTlight for eye-safe reading in varying light conditions. Users who prioritize a well-established product with a strong following might lean towards the PocketBook InkPad 4 at $299.00.
Durability and Protection
The PocketBook InkPad 4 offers superior durability with its IPX8 waterproof rating, allowing it to withstand immersion in water for up to 60 minutes. Additionally, it features anti-scratch protection, ensuring longevity and a pristine appearance. While the Bigme B751C S does not specify similar protective features, it is important for users to consider the environment in which they will use their e-reader. For those who need a robust and durable device, the PocketBook InkPad 4 is more suited for challenging conditions, albeit at a higher price.
Battery Life and Usage
Both e-readers promise long battery life, essential for on-the-go reading. However, specific battery life details were not provided. Generally, e-readers utilize efficient technology that allows for extended use without frequent recharging. Users should consider their reading habits and how long they spend away from charging sources.
Which should you buy?
Choosing between the Bigme B751C S and the PocketBook InkPad 4 ultimately depends on your specific needs. If you are looking for a budget-friendly option with extensive storage and multifunctionality, the Bigme B751C S at $265.05 is a solid choice. However, if you prioritize audio capabilities, durability, and a larger display, the PocketBook InkPad 4 at $299.00 may be worth the investment. Both devices cater to different aspects of reading and multimedia consumption, so your decision should align with your personal preferences and usage habits.

