Starter Story How We Built It: $85K Mobile App | Starter Story
Dec 16, 2025
Jack Sweeney and Nick Sweeney, brothers and co-founders of Coherence, dive into their journey of creating a successful breathwork app that has generated $85K. They share insights on their content-first strategy that validated their app through viral moments, including a video with 8M views. The duo discusses their complementary skills, with Jack focusing on marketing and Nick bringing breathwork expertise. They reveal their tech stack and practical advice for fellow sibling entrepreneurs looking to thrive in the startup world.
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Personal Recovery Drove The Product Mission
- Nick recovered from a severe injury using breathwork and scaled his coaching by digitizing techniques.
- That personal transformation motivated them to make breathwork accessible via an app.
Validate With Content Before Building
- Do content first, build product after you validate demand with viral posts and cross-posting.
- Batch ideas, film in bulk, amplify winners with ads, and out-market competitors relentlessly.
Short-Form Content As An Idea Battleground
- Use short-form posts as an idea battleground to discover what resonates before investing in longer formats.
- Move winning content upstream into Instagram, TikTok, then long-form YouTube to deepen engagement.