strehldigital — Düsseldorf

Digital products
built properly.

We're a small studio in Düsseldorf. We build software, apps, and marketing systems — and you work directly with us from brief to launch.

Based in Düsseldorf, GermanyNext.js & React NativeWeb, mobile & digital growthDirect access — no middlemen

What we do

Services

Three focus areas. Each done with the same attention to detail.

01

IT Consulting & Development

Next.jsTypeScriptPostgreSQL

We design and build web applications, internal tools, and technical infrastructure tailored to your workflow. We choose the right technology for the job — not the most fashionable one.

  • Custom web applications
  • API design & integration
  • Technical architecture
  • CMS & e-commerce

02

Online Marketing

SEOGoogle AdsAnalytics

We help businesses get found and grow online. From SEO and content to paid campaigns — we focus on what's measurable and cut what isn't working.

  • SEO & content strategy
  • Google & Meta Ads
  • Analytics setup & reporting
  • Conversion optimization

03

App Development

React NativeExpoiOS & Android

Cross-platform mobile apps built with React Native. From architecture through App Store and Play Store submission — we handle the full lifecycle and stay available after launch.

  • iOS & Android apps
  • React Native / Expo
  • App Store submission
  • Ongoing maintenance

How we work

Process

Straightforward. No surprises. The same four steps, every project.

01

Discovery

We start by understanding your business — not jumping to solutions. Goals, constraints, existing infrastructure, who your users are, and what success actually looks like.

02

Architecture

We plan the system before writing a line of code. Technology choices, data models, integrations — agreed on and documented. No surprises mid-build.

03

Build

Iterative development with regular check-ins. You see real progress from week one. We don't disappear for two months and come back with a finished product.

04

Launch & Support

We deploy, then we stay. Maintenance, monitoring, and iteration after launch aren't an afterthought — they're part of what we do.

Built in-house

Products

Alongside client work, we build our own — solving problems we find worth solving.

In Development

Clarity Journal

Mindful journaling, reimagined.

A minimal journaling app built for daily reflection, mood tracking, and guided prompts. Designed to build self-awareness without friction.

Productivity · iOS & Android
In Development

SpineElevate

Your posture, elevated.

An AI-assisted wellness app for spinal health and daily movement routines. Built specifically for people who sit at a desk all day.

Health & Fitness · iOS & Android
Concept

DoOrDonate

Accountability with purpose.

A habit tracker where missed commitments trigger a donation to a cause you care about. Motivation redesigned from the ground up.

Social Impact · iOS & Android

About

Who We Are

StrehlDigital is a small digital studio based in Düsseldorf. We build websites, web applications, and mobile apps for businesses that want things done properly.

We keep our client list small so that every project gets real attention. When you work with us, you work directly with the people writing the code — not through layers of process.

We're a young studio, and we're honest about that. What we bring is genuine care for the work, modern technical knowledge, and the drive to deliver something we're proud of.

LocationDüsseldorf, Germany
FocusSoftware & mobile app development
StackNext.js · React Native · TypeScript · Supabase
LanguagesGerman & English
ClientsFounders, growing teams, SMEs
AvailabilityTaking new projects

FAQ

Common Questions

If something isn't answered here, just ask.

Contact

Start a Project

Have an idea, a challenge, or a project in mind? Tell us what you're working on and we'll get back to you within three business days.

strehldevs@gmail.com
Response timeWithin 3 business days
First call30 min discovery — free of charge
LanguagesGerman & English
AvailabilityCurrently taking new projects