The Dimesum blog
How a money share tracking app is actually built: the ledger that cannot drift, the bill maths, the parser we deleted, and the art direction behind the dumplings.
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Money
How to export Splitwise data and move your group without losing history
Export Splitwise data one group at a time, then move the whole history into Dimesum with an AI assistant, and bring the rest of your group along with you.
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Money
Dimesum vs Splitwise: features, price and how to move a group
Dimesum vs Splitwise as of 2026: a free ledger with no daily cap and per-currency balances, against a free tier its help centre caps at 4 expenses a day.
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Money
Bill splitting apps in Japan: 6 ranked for warikan in yen
Bill splitting apps in Japan, ranked for a trip: splits in whole yen with no decimals, each currency kept apart, and a way in for the friend with no app.
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Money
Best apps to split travel expenses: 9 ranked on a real trip
Nine apps to split travel expenses, ranked on what a trip breaks: two currencies, a friend with no account, a busy day of bills, one settle at the end.
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Money
Venmo Groups, Revolut Group Bills and Monzo Split: when a bank's split is enough
Venmo Groups, Revolut Group Bills, Monzo Split, Cash App Pools, PayPal and Apple Cash compared: where a bank's split works, and where a ledger app starts.
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Money
Apps to split a bill by item: 6 ranked on tax and tip
Six apps to split a bill by item, ranked on how they share tax, tip and discounts by what each person had, and on what stays on record after dinner.
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Money
Best apps for couples to split expenses: 10 ranked for two
The best apps for couples to split expenses save a 60/40 income split, repeat the rent and charge nothing for two. Ten apps ranked, Dimesum first.
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Engineering
Split bill rounding: why your app and spreadsheet differ by a cent
Your sheet shows $33.33 three times; the app shows $33.34 once. Split bill rounding explained: largest remainder, a fixed odd cent, and a yen with no cents.
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Engineering
Why your split bills never seem to add up right
A group balance that won't add up isn't your maths. When you split bills, it's one of four causes: rounding, a currency, an edit, or someone who left.
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Money
Tracking shared expenses without becoming the accountant
Tracking shared expenses in a flat means remembering, asking and looking mean. Here is what to capture, and how a shared ledger carries it instead.
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Money
Splitting utility bills without a monthly argument
Splitting utility bills fairly: split what everyone uses equally, split what one person uses by use, and follow a full quarter worked out to the cent.
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Money
Splitting bills with a partner: fifty fifty or by income
Splitting bills with a partner when you earn different amounts: compare fifty fifty, by income, and a shared pot, with one worked example you can recompute.