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Share bills and IOUs. Make sure everyone gets paid back. Totally free for web, iPhone, and Android.
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IOUs made easy.

Splitwise takes the trouble out of sharing expenses – with friends, with roommates, with anyone.

We do the math for you

Splitwise keeps a running total over time, so you can pay each other back in one big payment, instead of a bunch of small ones.

Friendly email reminders

Get notified when the rent check is due…or get a reminder when you forget to pay someone back.

We’re fairness experts

How should we split the cost of rent? At what point is a girlfriend a roommate? Participate in cool fairness research and get advice on all sorts of common sharing problems.

Bring Splitwise anywhere

No need to save the receipt! With mobile apps for iPhone and Android, you can add expenses as soon as they happen.

App store@2x Android
+ third-party apps for Windows Phone
Logo NEW! Check out Plates, our free iPhone app to help you split restaurant bills. Learn more

And best of all? It's totally free.

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