Sistem Pengelolaan Inventori Real-Time untuk UMKM Berbasis Flutter dan QR Code Menggunakan Metode R&D

Faiz Saputra; Erik Iman Heri Ujianto

doi:10.30865/jurikom.v12i6.9309

Authors

Faiz Saputra Universitas Teknologi Yogyakarta, Sleman
Erik Iman Heri Ujianto Universitas Teknologi Yogyakarta, Sleman

DOI:

https://doi.org/10.30865/jurikom.v12i6.9309

Keywords:

Inventory, MSMEs, Flutter, QR Code, Firebase

Abstract

The efficiency and accuracy of stock recording in MSMEs are enhanced through the development of a mobile-based inventory management application, addressing the challenges of manual systems, which are prone to human error and data delays. This study implements a real-time system by integrating three key technologies: Flutter as a cross-platform framework for efficient development, QR Codes for rapid item identification, and Firebase as a database for instant data synchronization. By applying the R&D method through the Waterfall model, the application was developed and tested in a case study at Warung Laras. The application is equipped with essential features for daily operations, including security verification using OTP via WhatsApp, unique QR code generation for each item, and the ability to automatically generate inventory reports in PDF format. The results from Black Box testing and user trials show a significant quantitative impact: data recording accuracy increased to 95%, while the average time per transaction was drastically reduced by 70%, from approximately 30 seconds to just 9 seconds. This finding proves that the technological integration has successfully created a reliable and effective solution to drive digital transformation in MSME-scale stock management

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