Splitwise is a dedicated expense-sharing app for trips, housemates, groups and friends, on web, iPhone and Android. Here is how the two compare, with a source for every claim about Splitwise — including where it is the better choice.
Checked October 2, 2026 against Splitwise’s own pages. Prices and features change.
Choose Splitwise if what you need is a dedicated expense tracker — ongoing shared costs with housemates, deeper split options, or paying people back through PayPal and Venmo.
Choose Ollin if the money is part of a group trip you are also planning: the costs sit beside the itinerary they belong to, and the plan, the votes, the rooms and the settling up are in one place, free.
More comparisons: Ollin vs Wanderlog · Ollin vs TripIt · Ollin vs Mindtrip. Spot something out of date? Tell us.