Appex designs and builds AI systems and custom software for companies that need the result running in production — not summarised in a slide deck.
You have an idea for an AI product, or a feature that has to become one. We take it from technical feasibility to a version real users can break.
What you get
Choose this when you are building something new and the technical risk is the reason it hasn't started yet.
Web and mobile applications, and the systems behind them. We have built consumer apps used at national scale and internal platforms that had to keep working while the business changed around them.
What you get
Choose this when you know what needs to be built and you need it built properly, the first time.
Sometimes the expensive mistake is architectural, and it is made in the first month. We work as the technical partner who has to be right, not the vendor who has to sell you a build.
What you get
Choose this when the decision is bigger than the project, and getting it wrong is expensive for years.
Your compliance documentation, onboarding material and sales training, converted into localized video modules in 20+ languages — integrated into the LMS your people already use, and governed by your data policy rather than a vendor's.
That is what the AI Validation Sprint is for. Two weeks, fixed price, and a recommendation at the end — including, sometimes, the recommendation not to build.
Appex d.o.o.
Mikulićeva ulica 19, 10000 Zagreb, Croatia
+385 (1) 2229 508
© 2026 Appex d.o.o. · OIB 33141258759 · Registered at the Commercial Court in Zagreb, MBS 081637423.
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