BuiltWith Competitors

App Annie delivers the most trusted app data and insights for your business to succeed in the global app economy. Over 1 million registered members rely on App Annie to better understand the app market, their businesses and the opportunities around them. The company is headquartered in San Francisco with 15 global offices. App Annie has received $157 million in financing from investors such as e.ventures, Greenspring Associates, Greycroft Partners, IDG Capital Partners, Institutional Venture Partners and Sequoia Capital.

Leadfeeder turns the B2B website into the most reliable source of lead generation—so marketers can drive more qualified traffic, identify demand as it happens, prove campaign impact, and convert intent into qualified pipeline. Leadfeeder identifies which companies are visiting the website, giving marketers the clarity to act across the full funnel. From building and activating high-fit audiences for more precise targeting, to attributing in-ICP website visits across campaigns, to converting high-intent website engagement into leads, pipeline, and revenue—the company visit signal powers every stage. Built on a proprietary IP-to-company database cultivated over 10+ years, with 60M+ companies and 400M+ verified contacts, Leadfeeder is the platform that turns website activity into measurable impact.

Founded by a group of hackers in 2013, Stockholm-based Detectify is an application security platform trusted by over 2,100 organizations globally, from high-growth startups to the world’s largest enterprises and public institutions. Detectify equips modern security teams with clarity and control over their attack surface. Fueled by real-world verified payloads from its global community of elite ethical hackers and scaled through its own AI-driven engines, Detectify enables organizations to identify and fix truly exploitable vulnerabilities before attackers do. Go hack yourself.