Penbook

Use Apple Pencil to write naturally on the dynamic paper of Penbook.
Build your ideal notebook from over four hundred types of paper. Then, pour your thoughts, notes, plans, and dreams into it using state-of-the-art digital ink technology.
Penbook's dynamic paper is smarter than ordinary stationery. Plan your life on the monthly planner paper with a real calendar, schedule your day on the daily planner paper that shows the time in real-time, and record your nutrition with the food log paper that can recognize dates.
Or, use your own stationery! Import your PDFs into Penbook for quick annotation and editing.
Add colorful covers and fun art to your notebooks and share your notes anytime, anywhere.
Features
• Dynamic Paper: Dynamic stationery that utilizes the smart features of iPad and iPhone
• Over 400 types of academic, scientific, and planner papers
• Import PDFs and use them as notebooks
• Write naturally with Apple Pencil, stylus, or finger
• Create an infinite number of unique cover combinations for your notes
• Search for words or phrases in handwritten notes
•借助形状识别功能，将笔迹调整为完美形状
Adjust your handwriting to perfect shapes with the shape recognition feature
Included Stationery
Penbook offers a rich selection of customizable papers. Every page of your notebook can be different, turning your iPad or iPhone into a magical notebook:
• Blank paper with optional dates and configurable margins
• Lined paper with adjustable density
• Grid paper with four grid sizes available
• Dot grid paper with optional square or isometric (offset) dot patterns
• Cross paper with adjustable margins and density
• To-do list paper with four layout options
• Monthly habit tracker paper for tracking habits and goals
• Daily planner paper with a timeline and calendar that updates in real-time, and offers three layouts
• Weekly planner paper that highlights the current time and date
• Monthly planner paper that records the current date and shows future plans
• Yearly planner paper with a full preview of the next 365 days
• Cornell note paper for perfect study notes
• French ruled paper (Séyès)
• Calligraphy practice paper
• Table paper for handwritten spreadsheets
• Polar graph paper for plotting radial data
• Semi-log and log-log graph papers for exponential growth or decay data
• Isometric paper with equilateral (60-60-60) or isosceles (75-75-30) triangle grids
• Perspective paper with configurable one, two, or three-point perspectives
• Developer stationery with device templates and configurable note areas
• Storyboard paper with three frame ratios available
• Engineering paper with adjustable density
• Chemistry paper for easily drawing molecular structures
• Sheet music and tablature paper with optional linked staves
Best Experience
Use all the papers and writing features of Penbook for free and enjoy using a single notebook.
Upgrade to Penbook Premium to create and export an unlimited number of notebooks, access newly designed papers and covers, and get regular app updates.
Penbook Premium can be obtained by purchasing an annual subscription or a one-time (permanent) in-app purchase.
When choosing the annual subscription, you can try Penbook Premium for free for 7 days. During the trial period, you can cancel at any time until 24 hours before the trial period ends, and there will be no charge. If you do not cancel, you will be automatically charged for the annual subscription at the end of the trial period.
When the purchase is confirmed, the fee will be deducted from your Apple ID account. Subscriptions will automatically renew unless cancelled at least 24 hours before the end of the current subscription period. The renewal fee will be deducted from your account within 24 hours before the end of the current subscription period. You can manage and cancel your subscription through the account settings in the App Store.