Building the on-device context layer
ContextSDK is a privacy-first data infrastructure company. We turn raw device signals into standardized contextual data that powers smarter products, better timing and more adaptive user experiences.
A new era
At ContextSDK, we're driven by a simple yet powerful vision: to revolutionize app experiences by understanding and leveraging real-world user context.
Born from a passion for innovation and a commitment to excellence, we have created a platform that transforms how apps interact with their users, making every moment meaningful and engaging.
Our founders
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Our founders
Felix Krause
Founder
Felix, the visionary behind fastlane.tools, drives innovation in iOS development. As Founder of ContextSDK, he leads our efforts to reshape app development. Renowned for fastlane, saving 33M+ developer hours and acquired by Twitter and Google, Felix champions privacy and security. With a rich background in open source and speaking engagements, he enriches ContextSDK with expertise from Google, Twitter, and beyond.
Dieter Rappold
CEO & Co-founder
As CEO and Co-founder of ContextSDK, Dieter is the driving force behind our strategic vision. While his entrepreneurial journey began with co-founding knallgrau, one of the largest independent digital agencies in the DACH region, he later co-founded Speedinvest Pirates, focusing on growth projects with startups. As Austria's most active Business Angel, Dieter brings a wealth of experience and a risk-taker mentality to ContextSDK, where he continues to lead innovation and growth.
What we stand for
Pioneering spirit:
We're trailblazers, constantly exploring new horizons and pushing the boundaries of what's possible.
Ethical excellence:
Integrity is our compass. We navigate with honesty, accountability, and a commitment to doing what's right, not just what's easy.
Synergistic synergy:
Together, we're unstoppable. We thrive on collaboration, blending diverse talents to create something greater than the sum of its parts.
Customer obsession:
Our customers are our North Star. We obsess over their needs, delighting them with innovative solutions and unparalleled service.
Our growing ContextSDK team
Get to know the incredible individuals propelling the ContextSDK mission. With a shared passion for innovation and drive for excellence, our team is shaping the future of app development in exciting new ways.
Help build the future of mobile intelligence
We're creating a new data layer for mobile apps - and we're looking for curious builders, ambitious thinkers and people who want to shape what comes next.