BUILDING SINCE 2014 · NOT REVIEWED BY FELIX
Felix
Krause
“Felix Krause, creator of fastlane […] Co-Founder of ContextSDK, the best way to know when and how to monetize your user.”in their words · krausefx.com
12
products
2014
building since
Career
Every main product, who ran it, and when it changed hands.
ContextSDK2023 →
NOW
fastlane2014 – 2015
sold
→ Twitter
SunApps2013 – 2015
✕
Side projects9
2013201520172019202120232025
Felix runs ita new owner runs itsold, with the stated priceshut downside project
The journey
Launched fastlane (2014), acquired by Twitter, then Google (2017)
Latest
Sep 2024On Trending Topics podcast: Edge AI, die 2. große KI-Welle
Sep 2024On Subscription League podcast (Purchasely), season 2 episode 1
Apr 2023Launched ContextSDK
Feb 2019fastlane: fastlane grew from 10 to over 570 integrations, with 922 contributors
2019Research and development at Root Insurance
How sure are we?
10 verified by someone other than Felix55 stated by Felix in public3 outdated, older than our limits
Read on 11 Oct 2026 · more data coming