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Invoice-GPT
📅 2025 · Tech: React Native, Expo, TypeScript, Redux, Tailwind
(NativeWind), Go, gRPC, RabbitMQ, OpenAI, Tesseract, Stripe, Docker,
Kubernetes
InvoiceGPT is a mobile-first SaaS platform for automating invoice and
receipt processing using AI-powered OCR and document parsing. The app
provides businesses and professionals with an intuitive tool for
managing financial paperwork.
The mobile client was designed and built from the ground up, with the
backend powered by a contract-developed document processing API.
Together, they form a scalable, production-grade workflow for
intelligent financial automation. For more information, visit
https://invoicegpt.app/
Highlights
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Mobile App: Built with React Native (via Expo) for
Android and iOS, featuring Redux for state management and
Material-style components with Tailwind (NativeWind) for
cross-platform styling.
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Frontend UX: Designed in Figma and implemented with
responsive UI components, intuitive document flows, and support for
multi-device usage.
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Authentication & Billing: Integrated secure auth,
Stripe subscriptions, Apple/Google IAPs, and AdMob monetization
through platform-native SDKs.
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API Integration: Connects to a Golang-based
transcription API that uses OCR (Tesseract), OpenAI, and gRPC for
real-time document parsing and field extraction.
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Deployment: Containerized with Docker and deployed
via GitOps pipelines for continuous delivery. The system is designed
for horizontal scaling and smooth DevOps handover.
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AI Document Parsing: Transcription engine applies
computer vision preprocessing and language models to structure
unstructured invoice data — enabling fast, reliable field
extraction.