Learns Your Handwriting Over Time

Transform Handwriting Into Action

Coordinate all your handwritten notes—from whiteboards, post-its, journals, and notebooks—into one organized digital workspace. Smart classification and powerful on-device OCR turn scattered notes into actionable insights.

QuillStack QuillStack
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Expense Today
Coffee Meeting
$24.50 • Business • Starbucks
Contact Today
Sarah Chen
Senior Designer • Acme Corp • (555) 123-4567
Reminder Yesterday
Call dentist
Tomorrow at 9am
Idea Dec 29
App feature idea
Voice memos to text...
Tap to capture new note
12 auto-classified note types
Export to iOS Reminders

Discover QuillStack

Take a guided tour through the features that make capturing and organizing handwritten notes effortless.

Chapter I

Capture with Precision

Point your camera at any handwritten note. QuillStack automatically corrects document perspective and optimizes the image for exceptional OCR accuracy.

  • Simple framing guide for optimal capture
  • Import from your photo library
  • Automatic document perspective correction
  • Add additional pages to notes anytime
Chapter II

Smart Document Understanding

QuillStack intelligently understands what you're capturing. Extract contacts from business cards, parse receipts for expense tracking, and benefit from advanced multi-variant OCR that gets smarter over time.

  • Smart document type detection (contacts, receipts)
  • Multi-variant OCR tries 6 approaches for best accuracy
  • Automatic perspective correction for skewed photos
  • Learns from your corrections over time
Sarah Chen
Senior Designer
Acme Corp
sarah.chen@acme.com
(555) 123-4567
Saved to Contacts
Name: Sarah Chen
Company: Acme Corp
Email: sarah.chen@acme.com
Phone: (555) 123-4567
Chapter III

Smart Classification

QuillStack intelligently detects your note type—write a hashtag trigger like #todo#, let AI classify automatically, or simply write naturally and pick the type yourself.

  • 12 specialized note types with unique features
  • AI-powered detection (optional Claude API)
  • Fuzzy hashtag matching handles OCR errors
  • Export to Calendar, Reminders, GitHub, Mail
Todo
Meeting
Email
Feature
Reminder
Contact
Expense
Shopping
Recipe
Event
Idea
Note
Chapter IV

AI Enhancement

Tap "Enhance" to have Claude clean up your OCR text, fix remaining errors, and improve formatting—all while preserving your original intent.

  • Powered by Claude API
  • Summarize notes and enhance formatting
  • Token usage tracking and cost monitoring
  • Your API key, your control
Handwritten Note
#meeting# sprint planning w/ sarah mike alex jan 15 2pm - review Q1 goals, assign tasks
Parsed & Structured
Title Sprint Planning
Date Jan 15, 2025 at 2:00 PM
Attendees Sarah Mike Alex
Agenda Review Q1 goals, assign tasks
Chapter V

Integration & Export

QuillStack connects seamlessly with your workflow. Create GitHub Issues from feature ideas, export expenses to CSV, save contacts directly to iOS Contacts, and share notes via any app.

  • GitHub Issues with AI-refined prompts
  • Export expenses to CSV for reports
  • iOS Contacts integration for contact notes
  • Share via Mail, Messages, or clipboard
Your Note
#feature# add dark mode - save eye strain at night
Generated Issue
Add dark mode toggle to settings
Implement a dark mode option to reduce eye strain during nighttime usage and improve accessibility.
Acceptance Criteria:
☐ Toggle in Settings view
☐ Persists across sessions
☐ Respects system preference
enhancement ui

12 Specialized Note Types

Each note type unlocks purpose-built features. Just write a hashtag trigger and let QuillStack do the rest.

To-Do
#todo#

Checkable task lists with progress tracking. Never lose a handwritten to-do again.

Checkboxes Progress bar Reminders
Meeting
#meeting#

Parse attendees, agenda items, and action items automatically from your notes.

Attendees Agenda Action items
Email
#email#

Draft emails with parsed To, Subject, and Body fields. Open directly in Mail.

To/Subject Open in Mail
Feature
#feature#

Transform rough ideas into structured GitHub Issues with AI refinement.

GitHub export AI refine Labels
Reminder
#reminder#

Quick reminders that export directly to Apple Reminders with due dates.

Due dates Reminders app
Contact
#contact#

Capture contact info from business cards or notes. Add to Contacts with one tap.

Phone/Email Add to Contacts
Expense
#expense#

Track expenses and receipts. Parse amounts, dates, and categories automatically.

Amount Category Receipt scan
Shopping
#shopping#

Shopping lists that sync to Reminders. Check items off as you shop.

Checklist Reminders sync
Recipe
#recipe#

Capture handwritten recipes with ingredients and steps parsed automatically.

Ingredients Steps Servings
Event
#event#

Create calendar events from notes. Parse date, time, and location automatically.

Date/Time Location Calendar
Idea
#idea#

Capture fleeting thoughts and brainstorms. Tag and organize for later review.

Quick capture Tags
General Note
default

For everything else. Full OCR with confidence highlighting and AI enhancement.

OCR AI enhance Search

Everything You Need

Built for people who love writing by hand but need digital organization.

Smart Capture

Automatic document perspective correction and multi-variant OCR preprocessing optimize every capture for exceptional accuracy.

12 Specialized Note Types

From todo lists to meeting notes, recipes to expenses—each note type gets purpose-built features and smart organization.

Handwriting Learning

QuillStack learns from your corrections and gets better at reading your unique handwriting over time.

Privacy First

OCR and document parsing happen entirely on-device. AI features are optional and use your own Claude API key for full control.

Your Keys, Your Data

Bring your own Claude API key. Your data stays on your device with optional iCloud sync.

Developer Workflow

Write feature ideas on paper, export them as structured GitHub Issues for Claude Code.

Ready to Transform Your Notes?

Join the QuillStack beta and get instant access with 500 free AI credits. Be part of shaping the future of handwritten notes.

Download QuillStack via TestFlight • Instant beta code delivery • 500 free credits