I built ClearCash: calculate your individual net worth across personal + shared accounts

Really interesting problem to tackle — the "mine vs ours" split is genuinely underserved in personal finance tools. Most apps assume either fully joint or fully separate finances, which doesn't match how most couples actually operate.

One thing I'd think about early: the trust barrier for financial tools is high, especially when you're asking people to model shared accounts. Leading with the privacy angle prominently (no bank syncing required, data stays with you) might help with conversion before users even try the product.

I've been building Keyfinio in a similar space — financial planning for major life decisions — and the #1 thing I've learned so far is that users need to feel safe before they feel curious. Good luck with the launch!

Update

Here's what we've shipped recently on top of it:

🤖 AI integration — Connect Claude, ChatGPT, or other AI assistants directly to your financial data. Ask "How much did I spend on dining last month?" or "What's my net worth trend this year?" and get answers from your actual numbers. Read-only, authorised through your ClearCash account.

🏠 Properties & loans, fully tracked — Properties get interactive value history charts so you can see appreciation over time. Loans get a full amortization viewer, payment history, payoff predictions, and a savings summary showing how much interest you've avoided by paying ahead. Both flow into your net worth.

📈 Historical Balance Sheet — Scroll back to any date and see exactly what every account, property, and loan was worth at that point. Paired with an interactive net worth chart with zooming and infinite scroll.

🛒 Merchant spending breakdown — See your top merchants ranked with logos, then tap any merchant or category to drill into the underlying transactions.

💱 Multi-currency support — All accounts convert to your home currency using live ECB exchange rates, rolling up into one unified number.

📚 Help Center & Blog — Step-by-step guides (see /docs) for account setup, groups, CSV imports, and AI integration, plus regular articles on personal finance (see /blog).

Really cool problem to tackle here — building ClearCash to calculate individual net worth across personal and shared accounts is something most personal finance apps don’t even attempt, and it’s a pain point tons of couples silently struggle with. Your focus on privacy while still modelling shared finances is genuinely smart and grounded in real user needs — not just feature fantasies
That said — here’s the nuance most makers only realize after the first 50 users: personal finance tools don’t fail because they lack features — they fail because they fail to define whose immediate pain they’re truly solving in a way that feels urgent. Right now ClearCash feels like a phenomenal niche solution — people with partially shared finances will love it — but until the value ladder is crystal clear (i.e., “I must use this daily to save time or money”), adoption often stalls.
A lot of personal finance tools fall into this trap: they’re elegantly built, but users don’t feel the benefit fast enough because the onboarding doesn’t tie directly into the moment of pain (confusion about money, fights over finances, or tax planning stress). Most founders only realize this after months of slow signups, wondering “Why aren’t people sticking?”
From experience helping founders convert thoughtful tools into sticky products, there’s a difference between:
👉 A useful utility
👉 A must‑use habit‑forming tool
ClearCash clearly nails the utility part. Turning that into something users feel foolish not to adopt every month — that requires cognitive hooks in messaging, onboarding flows that surface your core value in the first five minutes, and positioning that makes users think: “Wait — this is saving me real confusion and potential financial loss.” That’s where most apps unintentionally plateau.
If you ever want to take this from nice and helpful to indispensable daily finance tool, that’s exactly the kind of strategic UX + messaging gap we help founders solve at Quratulain Creatives.
Really impressive work — you’re solving a real problem most budgeting apps won’t touch. Now imagine the visibility and stickiness if prospective users immediately feel the relief before they even import accounts.