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These apps solve different problems. Splitwise splits shared bills and settles who owes whom. BudgetBro tracks and budgets your own travel spending with date-locked FX, per-category budgets, Travel Runway and reports. Here is the feature-by-feature breakdown, with the many travellers who use both in mind.
Splitwise doesn't publish an exact Pro price; the App Store lists in-app purchases from $2.99 to $39.99. Its free tier shows ads and caps how many expenses you can add per day.
Splitwise is superb at dividing a shared bill and squaring up, but it does not track a budget or tell you how your own spending is trending. BudgetBro does, with a full web app at budgetbro.app/web (free to use).

Three things Splitwise doesn't try to do at all.

Four mobile companions (Mad Mike, Krazy Karen, Brazilian Bob, Decimal Danny) and a neutral BudgetBro Assistant on web. Read your spending, answer questions, log expenses by chat or voice. Optional and can be turned off.

Enter your remaining funds. BudgetBro projects your real burn rate from the last 90 days of spending and tells you how many months and days you can keep travelling. Income reduces the burn.

Daily read on whether your spending is tracking against your goals. Like a credit score but for your trip budget.
Splitwise converts currencies using current rates. That means a shared expense from months ago can show a slightly different home-currency value each time you open it, and a trip's running total keeps moving as rates change.
BudgetBro converts every expense at the rate on the date it occurred, sourced from a daily snapshot covering 166 currencies (with live fallback). Historical totals never move. Reopen Bangkok 2025 in 2027 and the numbers are what they were.
Splitwise is the specialist for shared costs.
Splitwise's group balances, debt simplification and settle-up are best-in-class for working out who owes whom at the end.
Recurring shared costs like rent and utilities are exactly what Splitwise was built for, well beyond a single trip.
If you don't need budget-versus-actual, runway or reports, Splitwise's focus is a strength. Many travellers run BudgetBro for their own budget and Splitwise for the group settlement.
Free on iPhone and Android, with no ads and no cap on trips.
Planning a day out? Try Day Trips