Hi, I'm Jan König 👋

I'm one of the founders of Jovo, 28 years old, and live in Berlin. You can also find me on Twitter and Medium.

Previous letters

New A/B test for next week


First A/B test results


One Idea A Day: The Power of Consistency


Our first A/B test


We've been talking about this for months


Sign Up

In this newsletter, I try to reflect on my learnings of building an open source startup. Join 116 subscribers who receive a weekly email from me: