The Smarter Way to Split Bills with AI-Powered Receipt Scanning
Zacta is a modern bill-splitting app that uses AI to extract receipt items, split costs fairly, and sync group expenses instantly. With smart item assignment, flexible split methods, and Venmo payments, Zacta eliminates the friction of settling bills—accurately and effortlessly.
Introduction
Splitting bills is one of the most common frustrations among friends, travelers, and families. Manual calculations, lost receipts, and inconsistent expense tracking often create confusion and delays.
Zacta set out to solve this by building a smart, AI-first expense sharing app that could:
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Scan and extract itemized receipt details automatically
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Split bills by quantity, percentage, or fixed amount
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Allow groups to collaborate in real time
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Assign items to members with accurate calculations
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Let users settle balances instantly via Venmo
The Challenge
Building Zacta required solving several complex technical challenges:
- Making AI/OCR reliably extract items from receipts of any layout or image quality
- Keeping group expenses perfectly synced in real time using Supabase
- Ensuring precise cost calculations across multiple split methods
- Allowing multiple users to edit, assign, and confirm items simultaneously
- Handling edge cases like missing totals, misread items, and tax mismatches
Our Approach
We engineered Zacta as a modular, AI-powered mobile app designed for accuracy, speed, and ease of use.
AI-Powered Receipt Scanning
OpenAI interprets receipts and outputs clean, structured item data—no manual entry required.
Real-Time Group Expense Sync
Supabase ensures instant collaboration—every member sees updates immediately.
Flexible Bill Splitting
Users can divide expenses by quantity, percentage, or fixed amount.
Smart Item Assignment
Just tap to assign items to group members; calculations update automatically.
Venmo Integration
Balances can be settled in a single tap using Venmo’s secure payment flow.
The Impact
60%
Less Manual Entry AI scanning eliminates the need to type item details, saving time and reducing errors.
2x
Faster Group Settlements venmo integration and clear item-level breakdowns accelerate payment resolution.
75%
Improved Split Accuracy smart item assignment and flexible split logic ensure fair, transparent calculations.
Higher
User Satisfaction real-time sync keeps groups aligned, reducing confusion and back-and-forth messaging.
Making IT Possible
Making IT Possible
Making IT Possible
Making IT Possible
Making IT Possible
Making IT Possible
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