CardCue

Perin Labs

About this app

CardCue tells you which credit card to use everywhere you go— so you never leave rewards on the table.

SMART RECOMMENDATIONS
Walk into any store, restaurant, or gas station. CardCue detects where you are, identifies the merchant category, and instantly recommends the card from
your wallet that earns the highest cashback or points.

60+ PRE-LOADED CARDS
Chase Sapphire, Amex Gold, Capital One Venture, Discover IT, Citi Double Cash, and many more. Tap to add your cards—reward categories are pre-filled
automatically. You can also add any card manually.

NEARBY ALTERNATIVES
In dense areas like NYC or malls, CardCue shows nearby stores so you can pick the right one and get the right card recommendation.

PRIVACY FIRST
No bank linking. No accounts. No cloud. No analytics. Everything stays on your phone. CardCue has no backend server—your card details and visit history
Never leave your device.

QUICK ACCESS
Set up a gesture shortcut or Quick Settings tile to get a recommendation without even opening the app. One tap from your lock screen.

SELF-CORRECTING
If CardCue guesses the wrong merchant category, fix it once and it remembers for all future visits—brand-wide.

FREE TO USE
15 free location lookups per day. Add your own Google Places API key for unlimited use (free from Google).

CardCue is not affiliated with any bank or card issuer. All trademarks are the property of their respective owners. Card reward details are approximate.

This app does not provide financial advice.

What’s new

Default language - en-US
- 60+ popular US credit cards pre-loaded with reward categories
- Location-based recommendations: walk into any store, get the best card instantly
- Nearby alternatives for dense areas (malls, city blocks)
- Category corrections that CardCue remembers brand-wide
- Dark mode with animated theme toggle
- 15 free lookups per day, unlimited with your own API key
- 100% on-device: no accounts, no cloud, no bank linking