CardStack
Your cards carry $1,000+ in credits a year. Most of it expires unused.
CardStack+ tracks every one, and shows how much of your annual fee you've earned back.
Link your accounts and CardStack will automatically track supported credits and benefits across your cards, helping you earn back more than $1,000 per year depending on which cards you have.
Use the browser extension on the Amex and Chase offer pages to add eligible offers across your cards without activating them individually.
See purchases where another card could have earned more, so you know what to use next time.
See 6 more featuresShow fewer features
Stack is CardStack’s AI agent. Ask questions and get answers based on your cards, benefits, offers, points, and spending.
Keep the right card close at hand when it is time to pay.
See your balances together and find opportunities to make your points worth more.
Keep your best cards and expiring credits visible without opening the app.
See the best card and any relevant offer or statement credit before you check out online.
Add your offer and CardStack automatically measures eligible spending on the linked card, shows what remains, and warns you if you fall behind.
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What people are saying.
“Within 1 minute of using the app I discovered I had enough funds for YouTube premium and free global traveler / tsa pre check with Amex Plat, this app is already goated!!!”
on Threads@imjonlacey
“As someone who has been wanting to take travel hacking seriously, THANK YOU! This is genius.”
on Threads@amirracondelee
“Whoa this is pretty fire!”
on Threads@dr_vad3r
“If you use Apple Wallet, then this is for you 👌”
on Threads@little_hakr
“Loving the app CardStack, which lets me keep track of all my key credit cards and benefits / offers so I don't forget to use any of them. I was doing this with AI tracking and a spreadsheet, but CardStack has Plaid connection so it auto-syncs everything nicely. (I have no affiliation with this app—just a very happy subscriber!)”
on Threads@jwang815
Love it !!!
“Great app, especially when you have a lot of cards and it's hard to manage them. But the best part for me is that all the offers from all your cards are in one place, so you don't forget to use them. For example, yesterday I managed to use a $75 Lululemon credit on the very last day thanks to this app.”
Amazing Idea!
“While I've built similar trackers before, none of them beat the ease of CardStack and its features. The team is engaged & responsive to feedback, which is a huge consideration when choosing any financial app.”