Built with Bubble
Ambit: Festival App for 250,000 in 10 Weeks
Goodspeed Studio
The challenge
Chuck Peters built Ambit as a community app connecting St. Paul residents with local businesses and events.
Then Grand Old Day arrived. The street festival pulls 250,000 people onto a single avenue. Ambit had to be live by June 1st with only 10 weeks to prepare. No flexibility on the launch date.
What we built
Progressive web app installed via QR code on city posters
Interactive map covering vendors, stages, food, parking, and ATMs
Full festival lineup with bookmarking functionality
Push notifications tied to set times, firing 15 minutes before bookmarked bands played
Clickable vendor addresses opening phone directions
Built in Bubble.
The result
250,000 festival attendees with real-time engagement
30% month-over-month growth post-launch
Live on June 1st with zero deadline slip
Attendees signing up during the event itself
My business continued to grow at a rate of 30% month-over-month as a result of Goodspeed's timely completion of deliverables. Chuck Peters, Founder, Ambit
Building for a moment that won't move? Read the full case study or book a discovery call.
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Posted Jun 18, 2026
Ambit's community app needed to be ready for Grand Old Day, a street festival pulling 250,000 people, with a fixed June 1st launch and 10 weeks to build. Shipped on time. Result: 30% month-over-month growth post-launch.
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