All features

Leafkeep is a document toolkit for iPhone: scan documents, edit and sign, translate, turn whiteboards into meeting minutes, scan business cards, track expenses and check Taiwan receipt lotteries. Your data stays on your phone.

📄

Document scanning

Auto edge detection and straightening, with shadows removed and paper restored to white.

  • Camera auto-focus and auto-capture
  • Import PDFs and photos; documents are found automatically
  • One-tap Auto Enhance — the original is always kept
Document scanning
✍️

Sign on your phone

Sign with your finger, then drag, resize and rotate it anywhere.

  • Transparent-background signature
  • Fine-tune size and angle with sliders or two fingers
  • Signing never uses up your free exports
Sign on your phone
📤

Save & export

Searchable PDF, Word, JPG or email in one go.

  • Text recognition makes PDFs searchable and copyable
  • Library with search and rename
  • Each document counts once, whatever the pages or formats
Save & export
🌐

Document translation

Keeps layout, tables, stamps and backgrounds — only the text changes.

  • Translated on-device; nothing leaves your phone
  • Traditional/Simplified Chinese works on any supported iOS
  • Other languages need iOS 18
Document translation
🧠

Whiteboard minutes

Snap a whiteboard; AI turns it into a summary, decisions, action items and to-dos.

  • Uses your own Claude API key
  • Connects only after you consent
  • No extra subscription
Whiteboard minutes
👤

Business cards & contact QR

Scan a card to create a contact, save it to Contacts and share it as a QR code.

  • Never reads your existing contacts
  • Contact QR uses the vCard format
  • Sharing a QR does not count as an export
Business cards & contact QR
🧾

Expenses & e-invoices

Scan receipts and Taiwan e-invoice QR/barcodes, with monthly totals and CSV export.

  • Live e-invoice scanning (iOS 16, A12 or later)
  • Photo receipts are recognised automatically
  • Invoice features appear when the device region is Taiwan
Expenses & e-invoices
🏆

Receipt lottery check

Download the winning numbers from Taiwan’s Ministry of Finance and compare them on your phone.

  • Draw reminder at 9 pm on the 25th of odd months
  • Opening the app also checks automatically
  • Only numbers are downloaded; your invoices are never uploaded
Receipt lottery check

Download on the App Store