DuoSpend

Track shared expenses by project and instantly see who owes what. Built for two, offline by default, and available with a simple one-time Pro unlock.

DuoSpend answers one simple question: who owes what to whom?

The app helps couples track the expenses of a shared project without turning it into a monthly budgeting app, a bank-connected tool, or a group expense tracker. Each project stays focused, with its own budget, expenses, and running balance.

DUOSPEND IS:

• built for 2 partners, not for groups ;
• organized by project: trip, wedding, moving, renovations, baby project ;
• centered on an instant balance between the two of you ;
• local-first, with no account, no ads, no tracking ;
• an iPhone app available in French and English.

FEATURES:

• create and edit projects with a dedicated budget ;
• add, edit, and delete expenses in a few taps ;
• split each expense 50/50 or with a custom ratio ;
• see the balance instantly to know who should reimburse whom ;
• complete settings with light, dark, or system theme, purchase restore, data deletion, and about screen ;
• Home Screen widgets and PDF export with DuoSpend Pro.

PRICING:

• 1 free project to try DuoSpend in real conditions ;
• DuoSpend Pro is a one-time €6.99 purchase that unlocks unlimited projects, widgets, and PDF export ;
• no subscription.

PRIVACY: Your data stays on your iPhone. DuoSpend does not collect personal data, does not rely on third-party servers, and works offline.