Can AI replace Splitwise?
The ledger and the debt math are a solved problem; a link-shared DIY version covers a household or one trip in a single sitting, no accounts needed. The gap is not code, it is adoption: Splitwise works because the whole group already has it installed, and nobody downloads your homebrew app for one weekend away. Build it for the people who share your fridge; for everyone else, the moat is other people's phones.
Replacing a paid app means you set it up and keep it running: hosting, updates and backups can be on you. What you give up.
01What it costs
Checked Aug 11, 2026 · source: splitwise.com. The free tier still creates groups, splits and simplifies debts, but caps expense adds at roughly three per day, shows ads, and keeps receipt scanning and automatic currency conversion for Pro.
02Could AI build it for you?
The core job: Create link-shared groups, log expenses with flexible splits, and settle up via minimum cash flow debt simplification.
The rare app whose moat is other people's phones.
03What you'd give up
- native iOS and Android apps, push reminders included
- your friends' existing accounts and muscle memory
- receipt scanning and itemized splits
- automatic currency conversion at live rates
- settle-up integrations with payment apps
Splitwise sits where the friction is lowest: everyone already has an account, the apps are polished, and the balance quietly nags people so you do not have to. Pro mostly sells relief from the free tier's daily expense cap and the ads, plus receipt scanning and automatic currency conversion for trips. The subscription monetizes the fact that the group, not you, picks the tool.
04Free and cheaper alternatives
Share a link, split, settle. No accounts, no ads. Use their instance or run your own.
spliit.app →Free and huge in Europe; closed source and bunq-owned, new signups get a bunq account, and CSV export left with the old Premium.
tricount.com →Around since 2011, proudly boring, in declared maintenance mode; use their free instance or one docker run.
ihatemoney.org →Splitwise for people who already run Nextcloud; pairs with the MoneyBuster Android app.
apps.nextcloud.com →05The build prompt
The complete build prompt, plus 11 step-by-step prompts from research to launch, a design system file, a page-by-page spec, the data model and a launch checklist.
Get the Build Kit · $9 →One-time payment. Delivered on screen and by email.
06Free open-source starting points
- spliit: open-source reference implementation worth stealing ideas from
- minimum cash flow algorithm: the debt simplification trick, explained
Prices change; confirm on the vendor's site before you decide.
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