Mobile app
ONCE
Digital disposable camera for events like weddings and parties, priced by guest count.
Visit ONCERevenue (self-reported)
$20K+/month (~$22K this month)
10-12K weekly active users
How it started
Brian Shin and his girlfriend carried disposable cameras while traveling and wanted a digital version keeping its magical limitations. They built a web app in 1-2 weeks and tested it at a Halloween party, refusing to build the real app until a 'commitment metric' (hosts using it at events) was hit. They then rebuilt it as a native app with hand-crafted design, launched in December 2025, and hit $20K/month within 83 days.
Tools they use
Figma
Dev Tools
Collaborative interface design tool.
Free tier · from $15/moFree tierVisit FigmaClaude Code
AI
Anthropic's agentic coding tool.
Pricing not listedVisit Claude Code- Featured
Supabase
Authentication
Postgres development platform with auth, storage and APIs.
Free tier · from $25/moFree tierVisit Supabase - Featured
Vercel
Frontend
Frontend cloud platform for deploying modern web applications.
Free tier · from $20/moFree tierVisit Vercel
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Founders
- Brian Shin · Co-founder
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