Digital product studio · Split, Croatia
We craft digital products
engineered to feel premium.
AP13 is a senior digital studio designing and building web, mobile, and AI-powered software — shipped with speed, taste, and engineering discipline.
The modern stack we build with
The short version
One studio, end to end — from first pixel to production.
Shipping production web, mobile, and AI software since 2020.
Strategy, interface design, engineering, and launch — handled under one roof.
You work directly with the people building your product. No account managers, no handoffs.
Fast, direct communication throughout the entire project.
Capabilities
Everything your product needs, under one roof.
Strategy, design, and engineering working as one team — so your product stays coherent from first sketch to launch day.
Web Development
High-performance web apps built on Next.js, React, and TypeScript — fast, accessible, and production-grade.
Learn moreMobile Apps
Cross-platform iOS and Android products with native polish, smooth flows, and reliable releases.
Learn moreProduct Design
Research, flows, and interface systems that turn fuzzy requirements into interfaces people enjoy using.
Learn moreAI Solutions
Practical AI features — assistants, automation, and analysis — wired cleanly into your product.
Learn moreHow we work
A clear path from idea to launch.
Every engagement moves through four focused stages with visible decisions, practical milestones, and zero decorative complexity.
Discovery
Clarify the product goal, audience, risks, and launch path before a line of code is written.
Design
Translate strategy into flows, screens, and a usable, reusable interface system.
Build
Engineer the product with modern React, mobile, API, and database foundations.
Launch
Validate performance, deploy with confidence, and stay close after release.
Why AP13
The difference is in the details.
We're intentionally small — so quality stays visible, communication stays direct, and every decision stays close to the people doing the work.
About the studioSenior-led, end to end
The people you talk to are the people designing and building your product. No handoffs, no middle layer.
Designed to feel premium
We obsess over the details — typography, motion, spacing — that make software feel considered and expensive.
Engineered to last
Clean architecture and maintainable code that's useful on launch day and still understandable a year later.
Selected work
The kind of products we build.
“We treat every product like it's our own - the goal isn't just to ship, it's to ship something that feels genuinely premium the moment someone opens it.”
Luka Bartulović
Founder · AP13
Let's build
Bring us a product problem worth solving.
Tell us the goal, audience, and constraints. We'll shape the scope, design the interface, and ship it for real users.