I spent years managing my finances in spreadsheets. They worked until they didn't — one changed date and formulas broke everywhere. I looked at every budgeting app out there and they all wanted the same thing: connect your bank account, pay monthly, and let them track your spending.
I didn't want any of that. I wanted to see what's coming, not what already happened. I wanted to know if I could afford to take time off work. I wanted to project my balance for the next few years with my actual income schedule and real expenses — biweekly pay, annual insurance, monthly rent, all running on their real dates.
Nothing did that. So I built it.
I used it to discover I could take 10 months off work when I was burned out — and still make every bill. Nobody told me that. The numbers just showed me.
That moment changed how I think about financial tools. Most apps are designed to make you feel guilty about what you already spent. Kevin's Cash was built to show you what's possible — to give you the clarity to make real decisions with confidence.
I showed my daughter her financial future with it. She saw what her income and expenses actually meant stretched out over time. That conversation changed how she thinks about money. Not because I lectured her — because she could see it.
No bank linking. No cloud storage. No data harvesting. Your financial plan lives on your device and nowhere else. That's not a limitation — it's the point.
The people who need financial planning tools the most are the same people who are exhausted by recurring charges. One payment. Yours forever. That felt more honest.
Most people avoid their finances because they're scared of what they'll find. But seeing your numbers clearly — really seeing them — replaces the fear with clarity. No more tap and pray when you pay. That moment frees you to decide for yourself how you want the future to look, and to actually plan it.
Other apps tell you where your money went. Kevin's Cash calculates where your numbers are heading based on what you enter. Same idea as a spreadsheet — just easier to use and harder to break.
Kevin's Cash is for anyone who wants to see their own financial numbers laid out clearly — not just track what already happened. Whether you're living paycheck to paycheck and need to see if you'll be okay next month, or you're planning ahead and want to model different scenarios over 20 years.
It's for the spreadsheet people who are tired of broken formulas and want the same power on their phone. It's for the people who tried other money tools and got tired of paying year after year to be told where their money already went. And it's for the people who never had any tool at all — who avoided their finances because it was too scary to look.
You enter your numbers. You see what they mean over time. You make your own decisions. Kevin's Cash is a calculator — it shows you the picture your numbers paint. Nothing more, nothing less.
I use it every day. I built it for myself first. Now it's yours too.
— Kevin
25 years in software development. Daily user of Kevin's Cash. Building from Canada.
Start free. No credit card required. Just open it.
Open Kevin's Cash →