Cardity is launching soon — get early access
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••••   ••••   ••••   2026
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Cardity

Transform your spending, for free

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How much could you save?

Enter your monthly spending per category

Total saved with Cardity
$0
estimated per year
Groceries
Dining
Gas
Streaming
Travel
Shopping
Other
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Savings without thinking

Cardity's technology picks the best way to shop per purchase, so you save without even thinking about it. Possible savings are around $1000 per year.

Your deals, sorted

Every cashback offer across all your cards, surfaced automatically. No more digging through each app. Never worry about missing a good deal again.

Your data stays yours

We do not sell your data. At all.

Want to be first in line?

Sign up for our waitlist above and get priority access at launch.

Frequently asked questions

What is Cardity?

Cardity is a free app that helps you automatically get the most rewards and cash back from the credit cards you already have. It picks the best way to pay for each purchase so you save without thinking about it. Cardity is currently in early access with a waitlist open at cardity.io.

How much money can Cardity save me?

For typical spending, users can save roughly $1,000 per year by always using the optimal card for each purchase category. The exact amount depends on your monthly spending across groceries, dining, gas, travel, and shopping, estimate yours with the savings calculator above.

Is Cardity free?

Yes. Cardity is free to join and free to use. Joining the early-access waitlist is also free.

How do I maximize my credit card rewards?

The key is to use the card with the highest earn rate for each purchase category, groceries, dining, gas, travel, and so on, instead of defaulting to one card for everything. Cardity does this automatically so you capture rewards you would otherwise miss.

Which credit card should I use for groceries, dining, or gas?

It depends on the cards you carry, since each card earns different rates in different categories. Cardity looks at your cards and automatically tells you the best one to use for each type of purchase, so you always earn the most.

Is my data safe with Cardity?

Yes. Cardity does not sell or share your data with advertisers. Your financial information stays yours.

How do I join Cardity, and when does it launch?

Cardity is launching soon and is currently accepting early-access signups. Join the waitlist to get priority access at launch.