Brief
You tell David about the product and what the video should highlight.
Latest App Store work
Newest releases first, then what we are building next, with more of the catalog at the end.
View App StoreWeb development
A selection of websites and web products built for real-world workflows.
AI development
We build AI features that ship: they recognize photos, read documents and generate new content. These examples come from our own apps, and we build the same for clients.

Chicken quinoa bowl
0kcal
Add to Today
Calorielens estimates calories and macros from a single photo, lists the ingredients it detected and shows a confidence score with every scan.
AI analyzing
Vendor
Receipt number
Invoice date
Net
VAT
Total
Category
Expense added to Active
STRICS Invoice reads PDFs and photos of receipts and suggests vendor, dates, amounts, VAT and category for you to confirm.
99Music turns a short description into an original song, with or without vocals.

99AI creates images and videos from a prompt, with a choice of leading models.

VILLA LINDENHOF
BUILT 1928
RESTORED 2026
Reletter copies the lettering from a photo of a stone and fits new text in the same style, at the right size in millimetres, ready as cut lines.
For your business
We plan, build and run AI features for clients, from a first prototype to a feature in your live app or website.
Creator collaborations
On @davidkrammer, David Krammer makes things with 3D printers, lasers and CNC machines and shows how in short videos. In a collaboration, your product becomes part of the build, so viewers see it in real use.
The channel
Short videos about making things, from the first idea to the finished piece.
You tell David about the product and what the video should highlight.
David plans a project that fits the product and his channel.
He builds the project, films the process and edits the video.
The finished video goes live on @davidkrammer.
If agreed, you can use the video in your own marketing or publish it together as a collab post.
Your product → a real project → @davidkrammer
We usually build web frontends with React or Next.js, TypeScript and Tailwind CSS.