The latest articles on DEV Community by Aman Umrao (@aman_umrao_5a04cbcce20174). https://dev.to/aman_umrao_5a04cbcce20174 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3864939%2F1084b7f0-806a-407f-b9a8-88dd1711e38d.png https://dev.to/aman_umrao_5a04cbcce20174 en Aman Umrao Sun, 04 Oct 2026 18:33:25 +0000 https://dev.to/aman_umrao_5a04cbcce20174/student-expense-ai-helping-my-friend-spend-smarter-20ij https://dev.to/aman_umrao_5a04cbcce20174/student-expense-ai-helping-my-friend-spend-smarter-20ij <p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-weekend-2026-10-01">Hacktoberfest Weekend Challenge: Build for a Friend</a></em></p> <h2> What I Built </h2> <p>I built <strong>Student Expense AI</strong> for a college friend who struggles to track daily expenses.<br> Instead of manually adding every expense, they can simply type:</p> <blockquote> <p>"I spent ₹180 on lunch today."<br> The AI understands the expense, categorizes it, and helps track budgets and spending.</p> </blockquote> <h2> Demo </h2> <p><a href="https://expanse-checker-git-main-amanumrao28-1097s-projects.vercel.app/" rel="noopener noreferrer">https://expanse-checker-git-main-amanumrao28-1097s-projects.vercel.app/</a></p> <h2> Code </h2> <p><a href="https://github.com/amanumrao28-png/Expanse_Checker/tree/main" rel="noopener noreferrer">https://github.com/amanumrao28-png/Expanse_Checker/tree/main</a></p> <h2> How I Built It </h2> <p>Built with <strong>React, FastAPI, PostgreSQL, and Gemma</strong>.<br> Gemma is used for:</p> <ul> <li>Expense categorization</li> <li>Natural-language expense entry</li> <li>AI expense assistant I also use <strong>Gemini API</strong> for additional features like receipt analysis.</li> </ul> <h2> Why Does Open Innovation Matter? </h2> <p>Using open-weight <strong>Gemma</strong> gives the project more flexibility and allows the core AI functionality to run without depending entirely on a closed AI API.</p> <h2> Prize Categories </h2> <ul> <li><strong>Best Use of Gemma</strong></li> </ul> <p>[Add DevRelay session if available]</p> <h2> Prize Categories </h2> <ul> <li><strong>Best Use of Gemma</strong></li> </ul> devchallenge weekendchallenge hf26challenge