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Loyalty & gift cards in one encrypted family wallet. Share a pocket once, every phone gets the live barcode and balance. When someone spends, the household updates instantly. No chat screenshots. No double-spend at checkout. Scan barcodes, track balances, checkout offline. Card data is encrypted on-device before upload. iOS app is live on the App Store. Android beta remains open while waiting for approval on the Play Store. Built for households who stack gift cards and still want privacy.
Hey Product Hunt 👋 I’m Chun Yeen, maker of CardWarden.
What inspired this: Stocard used to be the simple loyalty-card app millions of us relied on. After Klarna shut it down, most “replacements” were either offline-only, ads-heavy, or missing the one thing my household needed - gift cards that stay in sync across phones.
The problem I was solving: my wife and I stack discounted grocery gift cards. We were rescanning the same cards onto two phones, digging through chat for barcodes, and occasionally double-spending because balances didn’t update. I told my wife I will be building our own app.
How it evolved: I wanted Stocard’s job with Bitwarden’s architecture - encrypt on device, sync over the network, server can’t read the vault. That became family pockets with live balance sync, barcode scanning, balance tracking, offline checkout, and zero-knowledge encryption.
CardWarden is live on the App Store for iPhone; Android beta is still open while waiting for final approval to go live on the Play Store.
If you've tried it, I’d love feedback on family sharing, balance sync, or anything that feels off at checkout. Happy to answer anything in the comments.
More of the story:
https://cardwarden.app/blog/why-...https://cardwarden.app
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About CardWarden: Family Card Wallet on Product Hunt
“Family loyalty & gift card wallet with live sync”
CardWarden: Family Card Wallet was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #154 on the daily leaderboard. Loyalty & gift cards in one encrypted family wallet. Share a pocket once, every phone gets the live barcode and balance. When someone spends, the household updates instantly. No chat screenshots. No double-spend at checkout. Scan barcodes, track balances, checkout offline. Card data is encrypted on-device before upload. iOS app is live on the App Store. Android beta remains open while waiting for approval on the Play Store. Built for households who stack gift cards and still want privacy.
CardWarden: Family Card Wallet was featured in Productivity (659.6k followers), Privacy (11.3k followers) and Personal Finance (2.9k followers) on Product Hunt. Together, these topics include over 170.5k products, making this a competitive space to launch in.
Who hunted CardWarden: Family Card Wallet?
CardWarden: Family Card Wallet was hunted by cardwarden.app. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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