Built to help you stop leaving money on the table.
Why Cardzen exists
I carry a handful of premium credit cards. Each one has different reward rates, different bonus categories, different statement credits that reset on different schedules. On paper, a great setup. In practice, I was constantly guessing which card to pull out at checkout and forgetting to use credits before they expired.
So I looked for something to help. And everything I found made the problem worse. The apps were bloated with features I didn't need. They were full of ads and promotions. They wanted me to link my bank accounts, hand over credentials, and sit through a long onboarding before I could do anything useful. Once I was in, there was a steep learning curve just to figure out how the tool worked. None of them focused on the simple thing I actually wanted: know which card to use, track my credits, and ask a question when I need to.
Every tool I tried was optimized for the tool maker, not for me. More data collected, more features to upsell, more friction to lock you in.
So I built Cardzen. Something simple that works. You tell it which cards you carry, no bank linking, no credentials, and in under a minute you're set up. Ask which card to use at a store, mark a credit as used, check what's expiring. That's it. No noise. Just the stuff that actually matters.
If you carry more than one card and you're tired of tools that make a simple problem complicated, Cardzen was built for you.
Simple tools that do what you actually need. Nothing more.
Focus on what matters
Points. Credits. Answers. That's it. Cardzen doesn't try to be your budgeting app, your credit score tracker, or your financial planner. It does one thing and does it well: helps you get the full value out of the cards you already carry.
No ads. No affiliate pitches.
Most credit card tools make money by pushing you toward new cards. Cardzen doesn't. There are no ads, no sponsored recommendations, no affiliate links. The only goal is helping you get more value from the cards you already carry.
Zero learning curve
Setup takes under a minute. The interface is a chat. Ask a question, get an answer. Mark a credit as used, done. If you've ever texted a friend for advice, you already know how to use Cardzen.
Evan Eckels
Creator of Cardzen
I got tired of bloated apps and noisy tools that made a simple problem complicated. So I built something simple that works. Cardzen is what I wanted to exist: a quiet, focused way to get the most out of the cards I already carry.
Privacy isn't a feature. It's the foundation.
Cardzen was designed from day one to work without sensitive financial data. Here's what that means in practice.
No card numbers or credentials
We never ask for card numbers, CVVs, account numbers, or login credentials. Not now, not ever.
No bank linking
We never connect to your bank, use Plaid, or access financial accounts. You simply tell us which cards you carry.
No third party sharing
Your data is never sold to advertisers, shared with partners, or used to train AI models outside of Cardzen.
Delete anytime
Want to leave? Delete your account and all associated data is permanently removed. No hoops, no dark patterns.
Say hello.
Whether you have a question, a feature idea, or just want to say hi, I'd love to hear from you.