Penbook運行在iOS上。
| 授權： | Freeware |
| 加入日期： | 2023/10/03 |
| 發行者： | User Camp |
| Changelog: | Apple Pencil users can now import PDFs into existing notebooks, and write on them with the new fountain pen, watercolor, crayon, and monoline tools. |
全部免費下載。僅限原始檔。病毒檢查和安全。
