Starter Story · 2025-11-19
Our Mobile App Made $85K in 8 months
Brothers Jack and Nick Sweeney built Coherence, a breathwork app, after validating ideas with content first. They test ideas as posts on X, move winners to Instagram/TikTok short-form, then YouTube. A viral 'vortex breath' tweet led to the app; the MVP was built with Cursor and launched February 2025. A polarizing short video ('something they don't want you to know') hit ~8M views and became a series. Eight months in: 15,000 downloads, ~$85K revenue, ~$11K/month average, $22K best month, costs $5-6K/month at ~50% margin.
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Numbers mentioned
| Who | Metric | Value | Context | When |
|---|---|---|---|---|
| Coherence | downloads | 15K downloads approximate | Downloads since launch (8 months) | 1:12 |
| Coherence | revenue | USD 85K approximate | Revenue in the first 8 months since launch | 1:12 |
| Coherence | revenue | USD 11K/month approximate | Average monthly revenue since launch | 1:32 |
| Coherence | revenue | USD 22K/month | Best month so far | 1:32 |
| Coherence | users | 2,000 users approximate | 'Just surpassed 2,000 users' (distinct from 15,000 downloads; likely paying subscribers, not stated) | 1:32 |
| Coherence | views | 8M viewsper video approximate | One polarizing short video, views across all platforms | 8:39 |
| Coherence | views | 1M viewsper video /day approximate | Same video, views by the day after posting | 8:39 |
| personJack Sweeney's university YouTube channel | followers | 20K subscribers approximate | YouTube subscribers on Jack's earlier channel, before Coherence | 1:52 |
| Coherence | cost | USD 2,500/month approximate | Video editors for the organic content model | 11:02 |
| Coherence | marketing spend | USD 1,000–2,000/month approximate | Influencer partnerships, just starting | 11:02 |
| Coherence | cost | USD 800/month | Ghostwriter who helps write X threads | 11:02 |
| Coherence | cost | USD 500/month | Virtual assistant for admin | 11:02 |
| Coherence | cost | USD 300/month approximate | AI coding agents | 11:02 |
| Coherence | cost | USD 5,000–6,000/month approximate | Total monthly costs (editors, influencers, ghostwriter, VA, coding agents, RevenueCat ~$100, other tools ~$100) | 11:02 |
| Coherence | margin | 50% approximate | Operating margin | 11:02 |
| Coherence | price | USD 40/year | Yearly plan with 3-day free trial | 10:02 |
| Coherence | price | USD 10/month | Monthly plan, no trial | 10:02 |