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Social proof notifications for ecommerce sites, with marketplace distribution and conversion reporting tied to merchant outcomes.
The product earns trust twice: shoppers see real activity, and merchants see the sales attributed to those notifications.
Fewer bars = easier, cheaper, or faster for an AI-assisted solo builder. Editorial judgments based on the case details.
FOMO is a social proof notification product for ecommerce and other websites. Justin Mares and his co-founder Ryan acquired the Shopify app Notify, which was doing about $18,000 per month, after seeing it lift conversions on Mares’s own ecommerce business by roughly 20 percent. They rebranded it, raised the starting price from about $15 per month, introduced tiers, improved the Shopify listing, and worked to reduce churn. The talk describes growth from roughly $20,000 to $80,000 MRR over 18 months, with a later update that the business was on track for about $100,000 MRR in that month. The team expanded beyond Shopify through integrations and a broader platform, while using the Shopify customer base to fund enterprise capabilities. The product’s basic promise is to show recent purchases or other activity as small notifications, helping visitors trust that a site is active. Results in the talk are founder-reported, and the MRR figures are historical rather than a claim about current performance.
FOMO did not start from zero demand: the acquired Notify app already had Shopify users and a marketplace listing. The transferable first-customer move was to work inside the channel where buyers were already searching.
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Data credibility: Justin Mares’s MicroConf Growth talk. MRR, conversion lift, churn, installs, reviews, and marketplace performance are founder-reported; no third-party dashboard or audited financial statements are provided. Figures describe the 2015–2018 growth period, not current operations. The $100K MRR statement was a forward-looking “on track” update, not a completed result.
FOMO’s first revenue after acquisition was inherited from the existing Shopify app, which was charging roughly $15 per month and generating about $18,000 monthly before the acquisition.
The strongest loop connected marketplace visibility, customer proof, and demonstrated store outcomes. Better Shopify listing copy lifted installs; more active merchants created more chances to collect reviews; stronger review volume improved marketplace credibility and discovery.
A marketplace SaaS can look healthy at signup while quietly losing users. FOMO’s founder describes churn around 19 percent when they acquired the app, a serious risk for a product dependent on Shopify.
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