Side-by-side comparison of AI visibility scores, market position, and capabilities
Burbank CA YC W20 interactive science education app for ages 4-10 with 200+ lessons and 30M+ lessons completed; $1.45M seed profitable at YC application with $9/month subscription competing with Khan Academy Kids for children STEM.
Tappity is a Burbank, California-based interactive science education app for children — backed by Y Combinator (W20) with $1.45 million in total funding including a $1.3 million seed in December 2020 from 18.Ventures, AltaIR Capital, Brighter Capital, and Y Combinator — providing children ages 4-10 with an interactive educational video library of 200+ science lessons across thousands of episodes covering physics, chemistry, biology, space, and natural science topics through an engaging, age-appropriate format that combines educational content with interactive elements. Generating subscription revenue averaging approximately $9 per month per subscriber with 5,000+ paying customers and 20,000+ weekly active users who completed 30+ million lessons as of late 2020, Tappity positions as a Netflix-for-kids-science subscription that makes science education engaging without relying on passive video consumption.
Nation's largest homebuilder; 89,690 homes FY2024; $36.8B revenue; Express Homes entry-level focus; Forestar vertical land integration; rate buydown strategy sustains demand vs 6%+ mortgages.
D.R. Horton is the nation's largest homebuilder by volume, founded in 1978 by Donald Ray Horton in Fort Worth, Texas and now headquartered in Arlington, Texas, trading on NYSE (DHI). The company delivered approximately 89,690 homes in fiscal year 2024 (ending September 30) and generated $36.8 billion in revenues under CEO Paul Romanowski, who succeeded longtime CEO David Auld in 2024. D.R. Horton operates across 118 markets in 33 states, targeting the broadest range of price points in the industry from entry-level starter homes under the Express Homes brand through core D.R. Horton family homes to luxury properties under Emerald Homes and Freedom Homes age-restricted communities. The company's scale and geographic diversification provide resilience against regional housing market downturns and allow efficient land acquisition across America's fastest-growing metropolitan markets.
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