QuickBill
Invoicing and financial management for entrepreneurs, freelancers, and small businesses. Built on an offline-first architecture — create invoices, add clients, and log payments with zero connectivity. AI receipt scanning extracts amounts and dates from photos.
My Role
Mobile developer, product designer
Year
2024
Timeline
Prototype, offline data model, PDF export, AI scanning, release
Billing workflow
Create, review, export, and analyze invoices from a phone.
Client
Line items
PDF preview
AI scan
None
Cloud required
42.3 MB
Size
Receipt scan
AI layer
The Need
Small operators need fast invoices, but cloud-first tools are slow, expensive, or unreliable without internet.
The Solution
Offline-first invoice workflow with local SQLite data, PDF export via email or WhatsApp, AI receipt scanning, and smart dashboards.
Impact
Published on App Store (v1.1.1, May 2025) and Google Play. Free. Requires iOS 15.1+, 42.3 MB.
Key Features
- Offline-first invoice and quote creation
- AI receipt scanning from photos
- PDF generation shareable via email or WhatsApp
- Real-time revenue and expense dashboards
- Unpaid invoice monitoring
- Multi-language and multi-currency support
- Native dark mode
Technical Choices
- SQLite keeps the app fully functional without internet.
- AI scanning is additive — basic billing works without it.
- PDF share via WhatsApp targets how small businesses actually exchange documents.
Future Updates
- Add recurring invoices
- Add business profile templates
- Grow review count on both stores