Custom Software · Luxembourg

Your Data is yours, and yours alone.

Your data should never be a trade-off. We design every product so that security is built in from the ground up, and your personal information stays under your control — always stored securely, never exploited, and never sold.

Our Apps

Software built for everyday life

TZTravelZen

Travel light. Travel smart.

Your privacy-first travel companion. Itinerary planning, packing lists, and trip notes — all stored on your device, never in the cloud.

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SSShopScape

Shopping made effortless.

Smart shopping lists that sync across your household. No account required, no ads, no data harvesting.

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THTruckHop

Find your next great meal on wheels.

Discover food trucks near you in real time. Built for food lovers and truck operators alike.

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Need something built to your exact specifications? Get in touch — we route custom development enquiries through our contact form.

About Lëtz-Apps

We build software like we mean it.

Lëtz-Apps is a Luxembourg-based software studio. We partner with companies that need technology built properly — not duct-taped together.

Every project starts with understanding. We spend time with your team before we write a single line of code, because the biggest software mistakes happen before development begins.

15+
Years in Luxembourg
98%
Client retention
40+
Projects delivered
EU
Data residency
Our commitment
We stay after launch
Most agencies disappear after go-live. We structure every engagement to include ongoing support, iteration cycles, and performance monitoring.
Our approach
Right-sized technology
We match the technology to your actual constraints — budget, team size, and growth trajectory. No over-engineering.
How we work

From idea to production

01
Discovery
We interview your team, map the workflow, and define success criteria before writing any code.
02
Architecture
We design the technical foundation — database schema, API contracts, deployment strategy — and review it with you.
03
Build
Iterative development with weekly demos. You see real progress every sprint, not just status updates.
04
Launch
Staged rollout, performance testing, and monitoring. We go live when it's ready, not when the calendar says so.
05
Evolve
Post-launch support and a structured roadmap process. Your software grows with your business.
Let's talk

Ready to build
something great?

Tell us about your project. We'll get back to you within one business day.

No commitment. No sales calls unless you want one.