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Fomo
Social proof marketing and notifications.
What it does
Displays live popup notifications of recent purchases. Shows real-time active visitor counts on your site. Highlights recent customer reviews and 5-star ratings. Integrates with over 100 different marketing and sales tools. Tracks conversions and attributes sales directly to the popups.
Why it works
Psychological Triggers: Capitalizes on the "fear of missing out" to drive urgency and validate purchasing decisions. Instant Credibility: Proves to new visitors that other real people are currently trusting and buying from the site. Seamless Integrations: Pulls data automatically from Shopify, Stripe, Mailchimp, and 100+ other platforms without manual work. Unobtrusive Design: The notifications are small and non-invasive, adding value without ruining the user experience. Custom Rules: Allows store owners to fully customize what data is shown and how often popups appear.
Category: Marketing & Growth
Team Size: 10-25
Visit Website
As of 2026
Marketing & Growth
Revenue: $1M-$5M ARR
Social proof marketing and notifications.
Overview
Fomo is a social proof marketing platform that helps online businesses build trust and boost sales. It automatically displays recent purchases, reviews, and active visitor counts on storefronts. By leveraging the psychological fear of missing out, it turns passive browsers into active buyers without needing pushy sales tactics.
Funding status: Acquired
Revenue source: Subscriptions
Pricing: Subscription
Platform: Web • Shopify
Integrations: Shopify, Stripe, Mailchimp, Zapier, WordPress
Founder story
While running an ecommerce site, Ryan Kulp and Justin Mares noticed a basic notification popup on another store and bought the underlying app, originally called Notify. Realizing that simple social proof lifted their own conversions by 40%, Ryan taught himself to code on nights and weekends to completely rebuild the tool. They rebranded it to Fomo, turning a tiny side project into a 7-figure powerhouse.
What it does
- Displays live popup notifications of recent purchases
- Shows real-time active visitor counts on your site
- Highlights recent customer reviews and 5-star ratings
- Integrates with over 100 different marketing and sales tools
- Tracks conversions and attributes sales directly to the popups.
Who it's for
- Ecommerce founders
- Digital marketers
- Growth hackers
- SaaS operators.
Why it works
- Psychological Triggers: Capitalizes on the "fear of missing out" to drive urgency and validate purchasing decisions
- Instant Credibility: Proves to new visitors that other real people are currently trusting and buying from the site
- Seamless Integrations: Pulls data automatically from Shopify, Stripe, Mailchimp, and 100+ other platforms without manual work
- Unobtrusive Design: The notifications are small and non-invasive, adding value without ruining the user experience
- Custom Rules: Allows store owners to fully customize what data is shown and how often popups appear.
Growth strategies
- Aggressively built over 100 native integrations with other platforms to leverage their app store traffic.
- Executed highly targeted cold email outreach to Shopify store owners in the early days to get initial traction.
- Practiced transparent build- in-public marketing, sharing revenue metrics and code tutorials to attract tech-savvy founders.
- Offered a free Elite program to feature successful customers, generating organic case studies and goodwill.
Alternatives
Comparison overview
- UseProof: A high-end social proof tool focused heavily on B2B SaaS and enterprise lead generation.
- Nudgify: A Shopify-focused app that uses behavioral 'nudges' instead of just raw purchase data.
- TrustPulse: A budget-friendly social proof tool built specifically for the WordPress and OptinMonster ecosystem.
- Provely: A straightforward popup tool favored by affiliate marketers and direct response funnels.
- Unlike UseProof which targets enterprise SaaS or TrustPulse which focuses heavily on WordPress, Fomo found its massive success by aggressively integrating with absolutely everything (100+ platforms). It operates as a platform-agnostic, developer-friendly social proof engine with deep customization, making it the go-to choice for serious e-commerce operators who want total control over their data.