For households who refuse to outsource their privacy

Know exactly what you’re worth.
Own every bit of how you know it.

Every account, every property, every dollar — in one place, computed on your own machine, seen by no one else.

Explore the live demo Get early access

The demo runs against a fully anonymized sample household. No account required.

Dashboard

Combined household net worth, live.

Snapshots

Time-travel through every account’s history.

Transactions

A real money-flow diagram, not a pie chart.

Taxes

A live tax projection, computed continuously.

Budget

A real budget, built from your own spending.

Docker ComposeLocal SQLiteSimpleFIN syncBYOK — Anthropic / OpenAI

One number, every account

Checking, savings, credit, brokerage, real estate, private assets — one honest net worth figure, not a dozen logins.

Tax as an ongoing state

A real tax-calculation engine runs continuously against your actual year, not a guess assembled every April.

Built for real households

Multiple owners, multiple properties, a business account that isn’t personal savings. Attribution, not averages.

Bring your own keys

Self-hosted, your bank connection and AI key stay yours. Zero third-party retention — see our note on what that means.

Where your data actually goes

Three steps, not a black box.

Your bank & AI keys

SimpleFIN token and AI provider key, entered once, yours alone.

Your own server

Runs via Docker on your machine or a box you control — never ours.

Encrypted, never shipped out

Credentials encrypted at rest. Nothing leaves the machine it runs on.

Who this is for

Real estate & multi-property owners

Depreciation, mortgage amortization, and equity tracked per property — not blended into one meaningless balance.

Contractors & small business owners

A pass-through business account is not personal savings. Kept separate, attributed correctly, taxed correctly.

Privacy-first engineers & investors

Self-hosted, local database, bring-your-own API keys. You already know why that matters.

Priced like an instrument, not an app

$100–200 per year, self-hosted via Docker on your own machine. No live checkout yet — access is by waitlist while we work through the early rollout.

Rolling out invites in small batches to early testers — next batch goes out soon.

From the journal

All articles →

Tax planning as an ongoing state, not an annual panic

Most people meet their tax picture once a year, in April, after every decision that mattered has already been made. That’s backwards.

Zero-retention, not zero-knowledge — what that distinction actually means

Two different privacy promises get used interchangeably in fintech marketing. They are not the same promise, and the difference is the whole point.

Why net worth is the only number that matters

Budgets tell you what you spent. Net worth tells you whether any of it mattered.

Know exactly what you’re worth.Own every bit of how you know it.