BillingSplit: Shared Expense Auto-Reconciler
Automatically reconciles shared expenses between roommates, business partners, and friend groups by scanning receipts and calculating who owes whom in real-time.
The Problem
When multiple people share costs (rent splits, groceries, trips), tracking who paid what and calculating fair reimbursement is tedious and error-prone. Existing apps require manual entry of every transaction and don't handle the complexity of partial reimbursements, tax adjustments, or multi-party splits where person A paid but person B and C should split with D.
Target Audience
Roommates (18-35), small business partnerships (2-4 partners), friend groups taking vacations, and startup teams splitting operational costs before incorporation.
Why Now?
AI receipt scanning is cheap and reliable now; Gen Z and millennial shared-living situations are increasing post-pandemic; business partnerships are forming faster than ever with no built-in accounting.
What's Missing
Existing solutions require manual data entry and don't optimize settlement (showing you need 5 transactions when 2 would suffice). They also don't handle tax adjustments or business-specific splits (e.g., proportional equity stakes).
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