A business card app for founders
One evening event can hand you an investor, a first customer and someone you want to hire. Kardhaus keeps each card with the reason you kept it.
Last updated 2026-10-26
Three conversations, one pocket of cards
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Scan before you forget the face
A card becomes a contact in a few seconds, offline too. The front and back of a bilingual card become one contact.
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Say why it matters
A voice note — “led the seed round at …, asked for the deck” — is transcribed on the iPhone and saved with the card.
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Tag the purpose
Investor, customer, candidate, advisor: tags are yours to name, and tapping one shows that list.
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Write back the same week
With Apple Intelligence, a follow-up draft is written from the card and your notes, in their language. You edit and send it. 50 AI uses are free.
Why founders like that it has no account
- Your network is not someone else’s database. The app sends nothing to us; cards live on your iPhone and in your own iCloud.
- Hand over your own card from the iPhone when you run out of paper ones.
- Leave any time. vCard and CSV export are always available.
Can I keep investors and customers separate?
Does it record where I met someone?
iPhone · iOS 26 and later
Download on the App Store
Free to download