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Notes on shared expenses, and on the decisions behind Eider.

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Eider Plus Is on Sale: How to Get It If You Use the App

Plus is on sale on the web and in the Android app. If you use Eider on an iPhone, sign in at eider.app the same way you sign in to the app, subscribe there, and Plus turns on in the app by itself.

Oct 21, 2026 · 4 min
Split an expense
Split one expense. No account.
Add something you paid for and see the split.
2People
Split evenly. Change it later.