Notebook Ink

Human AI Duet

About this app

Notebook Ink is a clean, fast notebook for handwriting, sketching, and marking up PDFs. Write naturally with a pen or your finger, import a PDF and annotate it page by page, and keep everything organized with categories, search, and sort.

WHAT YOU CAN DO
• Handwrite and sketch on a smooth, responsive canvas
• Import PDFs and annotate them page by page
• Add text, images, highlights, and pen strokes
• Organize notebooks with categories, search, and sort
• Works fully offline on your device
• Optional secure cloud sync to back up and access your notebooks on another device

PRIVATE BY DEFAULT
Your notebooks stay on your device unless you choose to sign in and sync. We never sell your data. Sign-in is optional — the app works great without an account.

PART OF HELPINGAPPS
One HelpingApps account works across all HelpingApps tools. The free plan includes 30 MB of cloud storage shared across HelpingApps apps.

Whether you're taking class notes, marking up a contract, journaling, or sketching an idea, Notebook Ink keeps it simple and fast.

What’s new

"Forgot password" (email-OTP reset)