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contamos
A shared ledger for everyone you share money with
Contamos is a shared ledger for couples, flatmates, families and trips. Track every account in any currency together, and let Claude or ChatGPT record expenses or import a bank statement for you. Free forever; Pro adds budgets and the full history.
Hi Product Hunt 👋 I'm Santiago and I built Contamos on my own in Montevideo.
In Uruguay, shared money is messy. My partner and I tried spreadsheets and expense-splitting apps, and none of them could show us one honest picture of our money across currencies and accounts.
So I built a shared ledger for any group that shares money: couples, flatmates, families, a group trip.
- Every account, every currency. Bank, cash and crypto sit side by side. Each movement keeps the exchange rate of its own day, so last month's totals don't shift when the dollar moves.
- Everyone sees the same ledger. You can see who recorded what, with budgets that warn the group before they run over.
- Talk to it from Claude or ChatGPT. Contamos has a remote MCP server. Connect your assistant once, then say "add €38.50 at the supermarket from the joint account" or "how much did we spend eating out in August?" It acts as you, within your permissions, and asks before changing anything. You can also give it a bank statement to import.
It's free for good: unlimited transactions and currencies, 3 accounts, 2 members and the last 6 months of history. Pro is $4.99/month or $29.99/year per team, and removes the limits.
It works in English and Spanish. I'd love to know: how does your group track shared money today, and what would make you switch? I'll be here all day answering.
About contamos on Product Hunt
“A shared ledger for everyone you share money with”
contamos was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #230 on the daily leaderboard. Contamos is a shared ledger for couples, flatmates, families and trips. Track every account in any currency together, and let Claude or ChatGPT record expenses or import a bank statement for you. Free forever; Pro adds budgets and the full history.
On the analytics side, contamos competes within Fintech, Artificial Intelligence and Personal Finance — topics that collectively have 534.3k followers on Product Hunt. The dashboard above tracks how contamos performed against the three products that launched closest to it on the same day.
Who hunted contamos?
contamos was hunted by Santiago Cajal. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Santiago Cajal