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CardStack

CardStack

Stop losing money on your credit cards

?·Published on Oct 5, 2026·0 reputationReputation invested into this product to boost its ranking. Anyone can spend the reputation they've earned here — recent investments count for more and lift the product higher on the leaderboard. This is separate from community upvotes.
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Categories
FinanceFintechAutomation & Workflow
Use cases
Cost & Usage TrackingFinancial AnalysisSubscription Management
Target audience
Private personsEntrepreneursInvestors
Pricing model
Freemium
Platforms
iOSWebChrome Extension
DON'T TAKE OUR WORD FOR IT

Still not sure about CardStack?

Let your favourite AI do the thinking. Pick one and see what it says.

Ask ChatGPTAsk ClaudeAsk PerplexityAsk GeminiAsk Grok

About CardStack

CardStack turns your credit cards into a system that actually makes you money.

Track every credit and offer across your cards, see exactly how much you’re missing in rewards, and get real-time guidance on which card to use for every purchase.

No spreadsheets. No guesswork.

  • Track credits & offers — Know what you have, what’s expiring, and what to use
  • Find missed rewards — See how much money you’re leaving on the table
  • Use the right card every time — Get clear recommendations based on how you spend
  • Understand your points — Track value and learn the best ways to use them

If you have multiple credit cards, CardStack makes sure they actually work for you — not against you.

✦ Good to know

  • CardStack tracks eligible statement credits automatically and marks them as used when they post to your account.
  • The Best Card feature ranks your actual cards by rewards earned before and while shopping, and shows missed opportunities after purchase.
  • CardStack+ automatically activates eligible Amex and Chase offers so they're ready when you need them.
  • CardStack connects to ChatGPT, Claude, and Siri to answer questions about your cards, credits, offers, and spending patterns.

Taken from the product's own website and re-checked automatically.

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