# Jonathan Kay

> Jonathan Kay is the co-founder and CEO of Apptopia, a Boston-based app intelligence company that turns mobile app data into signals used by investors, brands and developers. He started Apptopia in 2011 as an online marketplace for buying and selling apps, backed early by Mark Cuban and Ashton Kutcher, then rebuilt it into a data business whose forecasts and estimates are relied on by clients including Google, Visa, Target, Microsoft, Zoom and NBC. Kay took over as CEO in 2021 as the company raised a $20 million Series C and doubled down on serving hedge funds and public-market investors with predictive mobile metrics.

- **Role:** Co-Founder & CEO at Apptopia Inc.
- **Organizations:** Apptopia Inc., Grasshopper (formerly), Forbes Business Council
- **Nationality:** American
- **Education:** Finance major, Law minor, Bentley University
- **Known for:** Co-founded Apptopia and grew it into a leading app data and intelligence company., Raised a seed round led by Mark Cuban, with Ashton Kutcher among the backers., Kept Apptopia profitable for over three years before raising a $20M Series C.

## Career timeline

- **2008** — Graduated from Bentley University with a Finance major and Law minor.
- **2009** — Conceived the idea for Apptopia with co-founder Eli Sapir, but held off launching.
- **2009-2011** — Ran the marketing department at Grasshopper, a virtual phone system for small businesses.
- **2011** — Co-founded Apptopia in November as an online marketplace for buying and selling mobile apps.
- **2012** — Raised a $1 million seed round led by Mark Cuban ($500K), with Ashton Kutcher and Expansion Venture Capital participating.
- **2013** — Apptopia had brokered roughly 185 app acquisitions generating over $650,000 for developers.
- **2011-2021** — Served as Founder and COO, leading product and sales as the company pivoted from marketplace to app intelligence.
- **2021** — Became CEO in May and closed a $20 million Series C led by ABS Capital Partners.
- **2024** — Launched KPI Forecasting, giving investors predictive estimates of app revenue and metrics with an average margin of error under 2%.
- **2025** — Acquired a leading U.S. mobile consumer panel to build what Apptopia aims to make the most extensive U.S. mobile data panel.

## Achievements

- Co-founded Apptopia and grew it into a leading app data and intelligence company.
- Raised a seed round led by Mark Cuban, with Ashton Kutcher among the backers.
- Kept Apptopia profitable for over three years before raising a $20M Series C.
- Built a client roster including Google, Visa, Target, Microsoft, Zoom and NBC.
- Shipped a KPI Forecasting product with an average forecast error under 2%.
- Named a Forbes Business Council contributor on mobile-first data intelligence.

## Latest updates

- **2024-09** — Apptopia launched KPI Forecasting, predicting metrics like ad revenue and subscribers for major public app companies with average error under 2%.
- **2025-02** — Apptopia acquired a leading U.S. mobile consumer panel to deepen the accuracy of its investor-focused data products.

## Links

- Website: https://apptopia.com
- LinkedIn: http://www.linkedin.com/in/jonathanckay
- Twitter/X: http://twitter.com/@apptopia
- Facebook: http://www.facebook.com/Apptopia

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Profile page: https://yespress.io/jonathan-kay
Published by YesPress — https://yespress.io
Last updated: 2026-07-16