HCB Mobile – financial app built by 17 y/o, processing $6M/month
Hey everyone! I just built a mobile app using Expo (React Native) for a platform that moves $6M/month. It’s a neobank used by 6,500+ nonprofit organizations across the world. One of my biggest challenges, while juggling being a full-time student, was getting permission from Apple/Google to use advanced native features such as Tap to Pay (for in-person donations) and Push Provisioning (for adding your card to your digital wallet). It was months of back-and-forth emails, test case recordings, and also compliance checks. Even after securing Apple/Google’s permission, any minor…
HCB Mobile – financial app built by 17 y/o, processing $6M/month launched on December 3, 2025 with 176 votes, #163 of 11,628 launches that month and more than 95% of that year's launches.
In plain words
HCB Mobile is a financial app built with React Native that serves as a neobank for nonprofit organizations. The app processes $6 million monthly for over 6,500 nonprofits worldwide and includes advanced features like Tap to Pay for in-person donations and digital wallet integration. Developed by a 17-year-old full-time student, the app required extensive coordination with Apple and Google to access native capabilities and uses over-the-air updates to streamline deployment without requiring frequent app rebuilds.
written from the facts on this page · September 2026
From the sources
HCB is the nonprofit neobank powering local hackathons, clubs, and teams with 501(c)(3) status. Now, you can do it all from your mobile device. Manage cards, track your nonprofit's expenses, make transfers, and accept donations anywhere. You can focus on your mission; we'll handle the money.
Manage your HCB organizations on the go. Issue cards, view transactions, and more!
I'm Mohamad, a 17-year-old from the SF Bay Area, and I just shipped the official mobile app for HCB. If you haven't heard of it, HCB is the financial backbone for over 6,500 teenager-led nonprofits , clubs, and hackathons. We provide 501(c)(3) nonprofit status, access to a bank account, a donation collection platform, and debit cards for thousands of young people trying to do good in their communities. HCB is currently processing an average of $6 million per month (over $80M in its lifetime) 1 . For the last year, I've led the project to build the first-ever mobile app for this entire community. The entire project is open source on GitHub (we'd love a ⭐️!). These teenagers are running…from hackclub.com
In the maker’s words, at launch
Hey everyone! I just built a mobile app using Expo (React Native) for a platform that moves $6M/month. It’s a neobank used by 6,500+ nonprofit organizations across the world. One of my biggest challenges, while juggling being a full-time student, was getting permission from Apple/Google to use advanced…
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