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Software & design studio

We design and build custom web, mobile and AI products — with deep experience in automotive, real estate, healthcare, gaming and energy, and the same team for any product where design and engineering have to be decided together.

Hospital staff lose hours to paperwork and tools that don’t fit their work. We build software that fits how care is actually delivered — designed together with the people who use it.

What we do

Design and engineering under one roof.

Our focus is software for hospitals and healthcare — and we bring the same team to any product where design and engineering have to be decided together.

  • Hospital & clinical software

    Tools for coding, documentation and clinical workflows, designed with doctors and coders — deployable on-premise or in a private cloud, with patient data kept under your control.

    • DRG & medical coding
    • On-premise or EU hosting
    • Data protection by design
  • Product & UX/UI design

    Research, user flows, clickable prototypes and design systems in Figma — tested with real users before a line of production code is written.

    • Discovery workshops
    • Prototypes & usability tests
    • Design systems
  • Custom web applications

    Portals, SaaS products, internal tools and dashboards that replace spreadsheets and fit the way your team actually works.

    • React, Next.js, Angular
    • Node.js, Bun, Rust APIs
    • Integrations & payments
  • Mobile apps

    iOS and Android apps from a single codebase, with push notifications, in-app purchases, analytics and App Store / Google Play releases handled for you.

    • iOS & Android
    • In-app purchases & ads
    • Store release & OTA updates
  • AI & LLM integration

    Assistants that work with your own documents: retrieval-augmented generation (RAG), document extraction and OCR, with citations and evaluation so answers can be trusted.

    • RAG over your documents
    • OCR & data extraction
    • Evals & model comparison
  • Hosting, care & scaling

    CI/CD, monitoring and cost-aware infrastructure after launch, so the product keeps improving and the cloud bill stays sensible.

    • CI/CD & monitoring
    • Self-hosted or cloud
    • Ongoing development

Our product

DRG-AI: DRG coding in seconds, with sources you can check.

For Slovak hospitals we built an assistant that reads the discharge summary and proposes the DRG group, diagnoses and procedures — every code linked to the exact page of the official catalogue it came from.

  • Reads typed text, PDFs and scanned documents (OCR)
  • Grounded in MKCH-10-SK, the procedure list and DRG catalogues
  • Automatic checks for duplicate, nonspecific or unsupported codes
  • Runs in your infrastructure; the coder always has the final word
DRG-AI showing a proposed DRG group G18B with principal and secondary diagnoses

Demo case with fictional patient data.

Selected work

Products we have designed and shipped.

From an AI tool for hospital coders to a mobile game with a global leaderboard — a few projects we can show publicly.

All case studies
Life Support s.r.o.Healthcare2024–2026

Life Support

Course booking e-shop for a first-aid training provider

  • E-shop development
  • Backend & integrations
  • Maintenance & DevOps
MODLFashion e-commerce2026

MODL

Social commerce app connecting creators and e-shops

  • Product design
  • UX/UI design
  • Mobile app development
  • Backend & integrations
Format-3Automotive2026

BMW Next Move

Interactive pitch experience built with Format-3

  • Front-end development
  • Motion & interaction
  • Performance optimisation
Alpiq (with Format-3)Energy2026

Alpiq

Battery customer portal for a European energy company

  • Front-end development
  • Design system engineering
  • Backend & integrations
Fox ApartmentsReal estate2026

Fox Apartments

Direct-booking website for a holiday apartment in the High Tatras

  • Web design
  • Front-end development
  • Backend & integrations
  • SEO & accessibility
GreystoneReal estate2023–2026

my.Greystone

Client portal for a commercial real estate lender

  • Front-end development
  • UX/UI design
  • Test automation
Own productGaming2025

Arrows

Logic puzzle game for iOS and Android

  • Game design
  • UX/UI design
  • Mobile development
  • Monetisation & release
Own productHealthcare2026

DRG-AI

AI-assisted DRG coding for Slovak hospitals

  • Product design
  • UX/UI design
  • AI & RAG engineering
  • Full-stack development

How we work

A clear path from idea to launch.

  1. Discovery

    We learn your business, users and constraints, then agree on goals, scope and a realistic estimate.

  2. Design

    User flows and a clickable prototype you can put in front of real users before development starts.

  3. Build in iterations

    Working software every one to two weeks on a staging environment you can try — no big reveal at the end.

  4. Launch & care

    Release, monitoring and continuous improvement. We stay on as your product team for as long as you need.

Why Fox Apps

A small senior team that owns the outcome.

  • Designers and developers together

    The people who design your product are in the same room as the people who build it. Fewer hand-offs, fewer surprises.

  • You talk to the people doing the work

    No account managers in between. You have a direct line to the team building your software.

  • Built to be maintained

    Typed code, automated deployments and documentation, so the software stays easy to change long after launch.

  • English and Slovak

    We work with clients in Slovakia and abroad, in English or Slovak.

FAQ

Questions we hear often.

What does Fox Apps do?

Fox Apps is a software company based in Slovakia focused on hospital and healthcare software. We design and build clinical tools and AI assistants such as DRG-AI, as well as custom web applications and iOS and Android apps — from UX/UI design through development, launch and ongoing maintenance.

Do you build software for hospitals?

Yes — it is our main focus. Our own product, DRG-AI, helps Slovak hospitals with DRG coding, and we build custom tools for clinical and administrative teams. Hospital software can run on-premise or in a private cloud, and AI features can be restricted to EU-based providers.

How much does custom software development cost?

It depends on scope. After a short discovery phase we give you a fixed estimate for the first release and a plan for what comes next. Tell us about your project and we will come back with a realistic range.

How long does it take to build an app?

A focused first version is usually a matter of weeks to a few months, not years. We ship in one-to-two-week iterations, so you see working software early and can adjust priorities as you learn.

Do you also do design only, or development only?

Yes. We can take on UX/UI design, a prototype or a design system on its own, join an existing codebase, or do both design and development end to end.

Which technologies do you use?

Mostly TypeScript with React, Next.js and Angular on the front end; Node.js, Bun and Rust on the back end; PostgreSQL; Capacitor for iOS and Android; and LLM APIs with retrieval (RAG) for AI features. We choose what fits your team and long-term maintenance.

What is DRG-AI?

DRG-AI is our AI assistant for DRG coding in Slovak hospitals. It reads the discharge summary and proposes the DRG group, diagnoses and procedures, each linked to the page of the official catalogue it is based on. The final coding decision stays with the hospital coder.

Contact

Tell us what you want to build.

Share a few sentences about your project. We reply within one business day — usually with a couple of questions and a proposal for a short call.

What should it do, who is it for, and is there a deadline?

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