Learns Your Handwriting Over Time

Transform Handwriting Into Action

Capture your handwritten notes with your camera, and watch as QuillStack transforms them into organized, searchable, and actionable digital content.

QuillStack QuillStack
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Expense Today
Coffee Meeting
$24.50 • Business • Starbucks
Recipe Today
Mom's Pasta Sauce
Tomatoes, basil, garlic...
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's intelligent capture system automatically detects and enhances your handwriting for optimal OCR accuracy.

  • Overlay templates guide your writing
  • Import from your photo library
  • Real-time preview and crop
  • Multi-page document support
Chapter II

OCR with Confidence

Our three-pronged OCR system combines Apple's latest Vision framework, intelligent spell correction, and word-level confidence tracking to deliver exceptional accuracy.

  • Per-word confidence scores
  • Low-confidence words highlighted
  • Tap to see alternatives
  • Learns from your corrections
Meeting with Sarah
at 2pm tomorrow
Bring designs
Chapter III

Smart Classification

Simply write a hashtag trigger like #todo# or #email#, and QuillStack automatically routes your note to the right view with purpose-built features.

  • 12 specialized note types with unique features
  • Hashtag triggers like #todo#, #recipe#, #expense#
  • Each type routes to a purpose-built view
  • 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
  • Context-aware corrections
  • Works offline (queues for later)
  • 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

Handwriting to GitHub Issues

Write a feature idea with #feature#, and QuillStack transforms your rough notes into a well-structured GitHub Issue with one tap.

  • LLM refines your prompt
  • Suggests labels automatically
  • Pick any repository
  • Perfect for Claude Code workflows
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

Overlay templates guide your writing, and photo library import lets you digitize existing notes instantly.

Confidence Highlighting

Low-confidence words are underlined so you can review and correct them with a tap.

Handwriting Learning

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

Offline Mode

Capture and save notes without internet. AI enhancement queues up and syncs when you're back online.

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 thousands of writers, developers, and note-takers who bridge the analog-digital divide with QuillStack.