A small popup showing 'someone in Austin just bought this' is a tiny script and an event feed — genuinely one of the simplest builds on the whole register.
VIBE SCORE 97/100
The parts this build actually needs, each rated on its own — the average is the Vibe Score above.
| Landing page | 99 |
| CRUD database | 95 |
Two real costs, not just "free": the AI agent's own usage, and hosting once it's running. Both are estimated from this app's own effort rating and component list — see the assumptions on the method page.
| AI agent — with a subscription (Claude Pro/Max, Cursor, etc.) | $0 marginal |
| AI agent — pay-per-use API, no subscription | $16–$27 one-time |
| Hosting, once it's running | $0/mo (free tier) |
| Domain name, if you want your own | ~$12/yr |
Fomo costs $25/mo. Even paying per-token with no subscription, and accounting for hosting, this build pays for itself in about 2 months.
Build it. A small popup showing 'someone in Austin just bought this' is a tiny script and an event feed — genuinely one of the simplest builds on the whole register.
Fomo costs $25/mo (about $300/yr) as of 2026-08. That's what a working rebuild would save you.
Pulling events automatically from many different e-commerce platforms (Shopify, WooCommerce, etc.) needs a connector per platform Geolocation display (showing the city a purchase came from) needs an IP-to-location lookup A/B testing whether the popup actually helps conversion shares this register's basic A/B testing pattern
Closest matches on the register — ranked by the build parts they share with Fomo, not just by category.
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An occasional email when new apps get reviewed — the verdict, the effort, and what changed. No tracking pixels, no drip sequence, one click to leave.