AI engineering studio · Luxembourg

An AI engineering studio that builds its own products.

We do AI engineering for a few partners each year, and ship our own iOS apps.

See the appsWork with us →
ExpenseMate app iconExpenseMate
Daystride app iconDaystride
Until app iconUntil
Negotiation Edge app icon, coming soonNegotiation Edge (Coming soon)

The apps.

Small, focused iOS apps we build, ship and maintain ourselves.

ExpenseMate app icon

ExpenseMate

Snap the receipt. We'll split the rest.

Visit site →
Daystride app icon

Daystride

A calm step tracker that lives entirely on your iPhone.

Visit site →
Until app icon

Until

Count down to the dates and moments you care about.

Visit site →
Negotiation Edge app icon

Negotiation Edge

Coming soon

AI-powered negotiation training. Practice real scenarios, get instant feedback.

Join the waitlist →

The studio

Tun Keltesch, founder of TK MEDIA

Built like a product company.

I'm Tun Keltesch. I started TK MEDIA as an AI engineering studio that ships its own iOS apps. When I take on a partner project, I build it the same way I'd build my own, with ownership, speed and real product thinking.

Tun Keltesch · Founder, TK MEDIA

Work with us

We do AI engineering with a few businesses each year, when the fit is right. No project tiers, no price lists. Just a conversation.

Get in touch

Selected work: VidaFit, a physiotherapy practice website · Created by Vera, the portfolio of a Vienna-based content creator.

Let's talk.

Working on something worth building? Send a note and we'll get back to you.