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Guides

Guides for splitting costs

Step-by-step playbooks for trips, rent, couples, and group bills — minus the awkward math.

GuidesAug 18, 2026 · 11 min

Split expenses with someone who has no account

Add the people who will never install the app, then merge their history if they do sign up. How placeholder participants work — and the rules that catch people out.

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Guides9 min
How to settle group debts with the fewest payments
Netting balances first cuts a 20-payment trip to three. The rule for the fewest payments, the limit no app can beat, and how often "simplify" misses it.
Aug 14, 2026
Guides9 min
How to split rent when the bedrooms are different sizes
A worked method for splitting rent between unequal rooms: bedrooms by floor area, shared space per head, adjustments that still add up to the rent.
Jul 29, 2026
Guides11 min
How to split an Airbnb when people stay different nights
A step-by-step method for splitting an Airbnb by nights stayed — including the fee mistake that overcharges the shortest stay by about 18%.
Jul 28, 2026