About us
Who builds journex
journex comes out of Germany. Version 1.0 has been in the App Store since August 2026, in the German-speaking region. This page says where the idea comes from, who works on it and how to reach us.
Where the idea comes from
The reason is an observation, not a market gap. Plenty of people between 16 and 25 have something that bothers them and a rough idea of what could be done about it. What is missing are the first steps, and someone trying the same thing in the same month.
That turned into journex: ten steps, each ending with proof instead of a checkmark, and once a month a task a whole squad works on at the same time. No course, no certificate. At the end something exists that did not before.
Why we build it this way and what comes next is on the vision page.
Who works on it
Three founders in three places in Germany. You can reach us, at the same address that stands in the imprint.

CEO
Lars Haberland
Stuttgart
Runs journex and is the entity responsible for the website and the app. Questions about data protection and legal matters go to the address in the imprint.

CTO
Nils Haberland
Köln
Responsible for the technology: the app, this website and everything running behind them.

CMO
Sebastian Holz
Dresden
Responsible for marketing and communication: how journex shows up in public and where it becomes visible.
That is all that stands here. No CVs, and no titles bigger than what is behind them.
Co-development
Two computer science students from Heinrich Heine University Düsseldorf work on the app with us.
Vincent Trommer
Computer science, HHU Düsseldorf
Adrian Maloku
Computer science, HHU Düsseldorf
What this website does not say
journex is new. A lot of what usually stands on a product website we could not back up today. So it is not here.
No user numbers, no success rates.
There are none yet. As soon as there are solid numbers, we will name them.
No user quotes yet.
The first testers have tried journex out, and the feedback is good. We will only quote them once they have agreed and are willing to put their name to it. There are no invented voices here.
No price.
Whether and what journex costs is not decided. All we can back up today: the current app has no ads and no in-app purchases.
No dates.
For features that are not built yet we give no date. What is in progress is labelled as such.
No invented images.
Every app screenshot on this website is a real screen. No renderings, no mockups, no interface that does not exist that way.
Where your data sits is on the safety page, including the part where conversation and proof content goes to Anthropic for analysis. The rest of the data sits on servers in the EU and can be exported or deleted for good in the app.
Everything about safety and dataHow to reach us
We work out of Stuttgart, Cologne and Dresden. Post and anything legal goes to the address of the responsible entity, the same one that stands in the imprint.
Address of the responsible entity
Lars HaberlandBühlenstraße 126
71088 Holzgerlingen
Deutschland
Email is the most direct way: