Most Finance Tools are More Complex than they Need to be
I didn’t build CashRunway because I don’t understand finance.
I built it because I understand it too well.
I work in finance and spend a lot of time inside models — forecasts, scenarios, dashboards. One thing that kept bothering me wasn’t accuracy, it was usability and speed.
Most cash tools either assume full accounting systems, constant integrations, or CFO-level workflows. They’re powerful — but they’re slow. And they turn simple questions into projects.
The uncomfortable realization for me was this:
Even when the numbers are technically “right,” decision-making still feels delayed.
People know their cash balance.
What they don’t know is where it’s headed — and when that becomes a problem.
I stopped looking for a perfect system and started asking a narrower question:
What’s the fastest way to see how cash evolves over the next few months?
That question became CashRunway.
A tool built for founders, and small business owners, not CFOs.
I didn’t set out to build accounting software.
I didn’t want integrations, historical reconciliation, or a full planning suite.
I wanted something intentionally constrained:
• start with current cash
• layer in what’s coming in and going out
• see the shape of the future, fast
I’m still iterating, still learning, and still deciding what not to build.
I’m curious:
If you’re a founder or operator: how do you currently think about short-term cash?
This resonates a lot. I work in the tax/bookkeeping space and the same problem shows up constantly — small business owners don't need a full GL or double-entry system to answer "can I afford to hire someone in 3 months?" They need a forward-looking view of cash, which is exactly what you're describing.
To your question: most founders I talk to basically do mental math. They know their MRR, they know rent and payroll, and they subtract in their heads. The problem is they forget about quarterly tax estimates, annual subscriptions that hit randomly, and the lag between invoicing and actually getting paid. Those are the things that create cash surprises.
The constraint of not building a full accounting system is smart. The moment you add bank integrations and reconciliation you're competing with QBO/Xero and you'll lose. Staying focused on the forecast layer is a much better wedge.
Yup. I could not agree more. QBO and Xero are essentials for businesses with bookkeepers, and businesses that want to scale. But there is a gap for solo founders/operators that need to keep track of their cash, but do not want to invest the time or money to do so.
Love the philosophy of "intentionally constrained."
As a solo developer, I often overcomplicate things trying to cover every edge
case. Your approach of focusing on one narrow question ("where is cash
headed?") instead of building a full system is a good reminder.
For your question - honestly, I've been bad at tracking cash flow. Usually
just check my bank balance and hope for the best 😅 A tool that shows "the
shape of the future" in minutes sounds exactly like what I'd actually use vs.
a full accounting system I'd abandon after day 2.
Congrats on the launch! Will check it out.
Appreciate this, and I think the “check the bank balance and hope” phase is not an uncommon place to be. What pushed me to build this was realizing that even a rough forward view changes how you think about decisions, but enterprise finance software is expensive and time consuming.
Curious whether you’ve ever tried forecasting and bounced off, or just never bothered because it felt like too much work.
Congrats on the launch, curious which metrics are giving you the most surprises?
Thank you! I’m very early, so these aren’t growth metrics more behavioral ones from testing and my own usage, and from my experience as a financial analyst.
What surprised me was how little people care about precision early on, and how much they care about seeing something immediately. There are times and places for perfect financial models, but there are also times where a decision needs to be made quickly.
That insight actually maps really well to something I’ve seen with early distribution. When precision doesn’t matter yet, what does matter is getting fast signal from real people.
For a lot of analytics tools, Reddit ends up being useful early not because of scale, but because you can put a rough idea or insight in front of people who already think deeply about the problem, and their reactions are very honest, very fast.
Have you experimented with Reddit at all yet, or mostly been validating through your own usage and 1:1 conversations?
No Reddit yet, I do plan on experimenting with the platform soon.
That makes sense. When you start, it's usually most effective to keep the experiment small and focused, targeting one idea, one subreddit, and one clear signal you’re looking for.
If you’d like, I can help you structure a simple initial Reddit test, including the angle of your post, the chosen subreddit, and the flow of comments. This way, you’re not just “trying Reddit,” but actually learning something actionable from it. I’m happy to keep this lightweight and exploratory.