CardKeep: Address Book

The mailing list app for life's big moments. Scan addresses, collect RSVPs, and send QR codes - perfect for weddings, graduations, baby showers, and holiday cards.

CardKeep: Address Book is a calm, simple way to save and organize mailing addresses for the people you care about.

Instead of spreadsheets, notes, or digging through old emails, CardKeep lets you add addresses the moment mail arrives.

How it works: • Scan an envelope or address label • Review and fix details before saving • Organize addresses into lists like Family, Friends, or Holidays • Keep everything ready for cards, invitations, and announcements • Create events, such as weddings, graduations, etc. • Send out requests for addresses, allow guests to RSVP.

CardKeep is designed to be private and easy to use. No clutter. Just your address book — ready year after year.