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Cardnook
Never search for a loyalty card at checkout again.
A loyalty-card wallet that learns which cards you use at which stores and surfaces the most likely one when you open the app. Built to be fast at checkout, with all location and usage data processed locally on your device. Key Features: - Automatically surfaces the right card for the store you're in - Works offline with no cloud processing of location history - Full-screen barcode display at maximum brightness for fast scanning
This started from a surprisingly annoying problem.
I had a handful of groceries, got to the checkout, opened my loyalty-card app, and then had to scroll through dozens of cards trying to find the right one. It completely defeated the point of having a digital wallet.
I tried existing solutions, including Klarna's loyalty card wallet, but none of them seemed to understand context. They stored my cards, but they didn't help me find the right one when I actually needed it.
So I built Cardnook.
It learns which cards you use at which stores and automatically surfaces the most likely card when you open the app. Everything runs locally on your device, works offline, and keeps your location history private.
It's a small product focused on one thing: getting the right loyalty card on screen as fast as possible when you're standing at the checkout.
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About Cardnook on Product Hunt
“Never search for a loyalty card at checkout again.”
Cardnook was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #62 on the daily leaderboard. A loyalty-card wallet that learns which cards you use at which stores and surfaces the most likely one when you open the app. Built to be fast at checkout, with all location and usage data processed locally on your device. Key Features: - Automatically surfaces the right card for the store you're in - Works offline with no cloud processing of location history - Full-screen barcode display at maximum brightness for fast scanning
Cardnook was featured in Android (57.3k followers), User Experience (366.6k followers) and Vercel Day (20 followers) on Product Hunt. Together, these topics include over 75.8k products, making this a competitive space to launch in.
Who hunted Cardnook?
Cardnook was hunted by P R. 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.
Want to see how Cardnook stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
P R