| Name | InkBOOK Calypso Plus | InkBOOK Focus |
|---|---|---|
| Image |  |
 |
| MSRP | €129 | €229 |
| Released | 2021 | 2022 |
| Availability | Discontinued | Discontinued |
| Check price: | Amazon | Amazon |
| Display specifications | ||
| Display type | E Ink Carta | E Ink Carta |
| Display size (inch) | 6 | 7.8 |
| Resolution (pixels W×H) | 758×1024 | 1404×1872 |
| Color display? | No | No |
| Pixel density | 212 PPI | 300 PPI |
| Screen light? | Yes | Yes |
| Adjust color temperature? | Yes | Yes |
| Auto-rotate? | ❌ | ❌ |
| Input options & features | ||
| Touchscreen | ✔ | ✔ |
| Button controls? | ✔ Home button, page-turn | ✔ Home button, page-turn |
| Stylus input | ❌ | ❌ |
| Dark mode | ❌ | ❌ |
| Audiobooks | ✔ | ✔ |
| Connectivity | ||
| Bluetooth | ✔ | ✔ |
| Wi-Fi? | Wi-Fi 4 | Wi-Fi 4 |
| Cellular network | ❌ | ❌ |
| Software | ||
| Operating system | inkBOOK OS (Android 8.1) | inkBOOK OS(Android 8.1) |
| Reading apps & e-book shops | InkBOOK EPUB/PDF reader. Install apps: Kindle, Skoobe, & more. | InkBOOK EPUB/PDF reader. Install apps: Kindle, Skoobe, & more. |
| Web browser? | ✔ | ✔ |
| Email app? | ❌ | ❌ |
| Dropbox & Google Drive? | ❌ | ❌ |
| Hardware specifications | ||
| Internal storage | 16 GB | 16 GB |
| RAM | 1000 MB | 1000 MB |
| CPU clock speed | 1.5 GHz quad core | 1.5 GHz quad core |
| Other built in: | - | - |
| Ports & battery | ||
| MicroSD card reader? | ✔ | ✔ |
| 3.5 mm AUX out port? | ❌ | ❌ |
| Other ports? | ❌ | ❌ |
| Battery capacity (3.7V) | 1900 mAh | 2900 mAh |
| (USB) charging port | Micro-USB | USB-C |
| Physical specifications | ||
| Waterproof? | No | No |
| Size (cm H×W×D): | 15.9×11.4×0.9 | 19.2×14.0×0.9 |
| Weight (gram): | 155 | 251 |
| Size (inch H×W×D): | 6.26×4.49×0.35 | 7.56×5.51×0.35 |
| Weight (oz): | 5.47 | 8.85 |
| Screen: flush or recessed? | Flush | Flush |
| Color options: | 9 color options | Black, blue, red, gold, pink |
| Accessories in the box | - | - |
| More information | ||
| Model number | ? | ? |
| User guide / manual | User manual | User manual |
| Official site link: | Inkbook.eu | Inkbook.eu |
| Brand origin | Poland | Poland |
| Check price & reviews | ||
| See price and reviews: | Amazon | Amazon |
inkBOOK Calypso Plus vs Focus
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Key differences
The InkBOOK Calypso Plus is lighter (155 g vs 251 g). The InkBOOK Focus costs €100 more (€229 vs €129), is newer (2022 vs 2021), has a larger display (7.8″ vs 6″), has a sharper display (300 PPI vs 212 PPI) and has a larger battery (2900 mAh vs 1900 mAh). Other differences: charging port (Micro-USB vs USB-C). Both have E Ink Carta displays and 1000 MB of RAM.
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