For two decades I've worked at the intersection of software, sound and image. Shipping iOS apps for millions of people. Releasing records under the moniker MTZTGR. Quietly building a body of photographs alongside it all.
I lead software engineering by day. By evening I'm in the studio, the kitchen, or somewhere with a camera. The work is varied; the throughline is craft.
An iOS app for postcards with audio messages — the warmth of a voice, posted across the world.
Visit soundcard.io
Track a lighter's journey across the world via QR codes.
A guided minute the moment a craving hits — on your phone, your wrist, or your lock screen. The next minute, handled.
Try SmokeFree
Take the bounce out of handheld video on iPhone, iPad, and Mac. Runs entirely on-device — no upload, no subscription.
Try Stabilize
Handcrafted cocktail bitters, made in small batches.
Book 1:1s and drop-ins with independent trainers in Berlin.
Find Berlin spätis still in the sunshine. A tiny tool for big thirsty days.
Scavenger-hunt postcard delivery community app.
Fridge magnets from your own memes.
"Instagram for brick & mortar" iOS app.
Somewhere between concrete and catharsis. Released independently, played in dark rooms.
A modern reimagining of the classic snake game. Play like it's 1999.
Visit snekris.com
Crank-driven snake action, in 1-bit glory.
Visit snekris.com
A clean maze. A dirty snake. Ninety-nine reasons to lose.
Play it
Full throttle. Zero manners. An arcade racer with twelve circuits and three ways to cause trouble.
Visit overslam.dmrschmidt.deA few Swift packages I've built and maintain — used in apps shipped to millions, free for anyone to take and remix.
Generate beautiful waveform images from audio files in iOS — used by SoundCard and many other apps.
View on GitHubA delightful color picker wheel for iOS, written in Swift. Smooth, springy, and a joy to use.
View on GitHubA customizable QR code generator in Swift — minimal API, powering a number of indie apps.
View on GitHub