Wedon'tjustbuildapps.We build businesses.
A premium software studio engineering iOS, Android, Web and AI products with the obsession of Apple and the speed of Linear.
Trusted by founders & teams shipping serious products
Services
Everything you need to ship.
One studio. Strategy, design, engineering and growth — under a single, obsessive standard. No agency hand-offs. No template velocity.
App Development
Native iOS & Android. Built with Swift, Kotlin and React Native. Designed to feel inevitable.
Web Development
Marketing sites, dashboards and storefronts engineered for speed, SEO and conversion.
AI Solutions
Custom AI agents, automations and copilots wired into your product and operations.
UI / UX Design
Identity, interface and motion — designed end-to-end at Apple-level fidelity.
Maintenance
Long-term partnership. We own uptime, security and the roadmap with you.
Scaling
From MVP to millions of users. Architecture, infrastructure and growth engineering.
Why work with us
The difference is in everything.
Velocity
MVPs in weeks, not months.
Premium Quality
Apple-level polish on every pixel.
Modern Stack
Swift, Kotlin, React, Edge, AI.
Performance
100/100 Lighthouse by default.
SEO Native
Crawl-perfect, structured, ranked.
Security
Zero-trust, audited, encrypted.
Scalable
From MVP to millions of users.
Pixel Perfect
Designs honored down to 1px.
Process
A clear path from idea to impact.
Discovery
We map the problem, the user, and the opportunity.
Planning
Scope, architecture and roadmap — pinned to outcomes.
Design
Identity, interface and motion designed end-to-end.
Development
Engineered in tight loops with weekly demos.
Testing
QA, security and performance under load.
Launch
App Store, Play Store, Edge — shipped clean.
Support
Ongoing partnership. We stay after launch.
Selected work
Projekte, die ich gebaut habe.
Apps & sites shipped
Client retention
Avg load time
Lighthouse avg
Rezensionen
Was Kunden sagen.
Frequently asked
Answers before you ask.
MVPs ship in 4–8 weeks. Full products in 8–16 weeks. We work in tight weekly sprints with live demos.
Engagements start at €15k for MVPs and scale based on scope. We send a fixed proposal after a 30-minute discovery call.
Yes — end-to-end. Compliance, assets, screenshots, review responses and post-launch updates.
Always. Mutual NDAs are signed before the first call if requested.
Yes. Monthly retainers cover maintenance, security, performance and roadmap continuation.
Swift, Kotlin, React Native, React, TanStack Start, Edge runtimes and modern AI stacks (LLMs, RAG, agents).
Let's talk
Let's build something extraordinary.
Tell us about your product. We respond within one business day with next steps, questions and a clear path forward.
Email · hello@marijanfrey.de
Based · Germany · Global