App and Software Development in Stuttgart

App and Software Development Stuttgart – Senior Engineering for Automotive & Industry 4.0

Talk directly to the team that writes your code

Stuttgart is the heart of the German automotive industry — home to Porsche, Mercedes-Benz, Bosch, and ZF. If you're looking for an app or software solution here, you're not looking for the next generalist agency — you want a team that understands the reality of your supply chain, your production systems, and your compliance requirements. We've been building exactly that for 10+ years, based in Rottweil, with the A81 putting us in Stuttgart in under 90 minutes for on-site work when it's needed.

App development investment range Stuttgart 2026: A solid B2B app starts at €20,000–€40,000 (MVP, cross-platform with Flutter, 2–4 months). Mid-market applications with ERP or MES integration typically run €40,000–€80,000. Enterprise platforms with multi-tenant logic, OPC UA/SAP/Siemens integration, and regulatory depth reach €80,000–€150,000; highly complex multi-platform solutions for automotive suppliers (e.g. connected-car backends for thousands of vehicles) range €150,000–€250,000. Hourly rate at IntegrIT Solutions: €100–130/h senior-led, without large-agency overhead — full pricing breakdown and calculator →

Currently live: LITE BLOX — cross-platform B2B platform for LITEWERKS, co-built with studio hak. Real production environment, real users, real maintenance. Happy to share concrete numbers in the initial call.

Industry 4.0 mobile apps in the Stuttgart region have specific requirements: offline capability for production halls without stable WiFi, complex data visualizations for machine monitoring, and seamless integration into existing ERP systems like SAP, Microsoft Dynamics, or Siemens control systems. Cross-platform development with Flutter offers a decisive advantage here: one code base for iOS and Android, native performance, and — when needed — Windows desktop applications for control centers from the same codebase. The transformation from hardware-centric to software-defined vehicles, which Bosch, Daimler, Porsche, and ZF are currently driving, requires backend architectures that can carry telemetry from thousands of connected vehicles, OTA updates, and secure companion apps simultaneously.

Technology Stack for Automotive & Manufacturing

Connected Car & IoT Integration: Modern automotive apps require processing telemetry data, GPS tracking, and CAN bus signals. We develop Flutter apps with native Bluetooth LE and MQTT integration for vehicle-to-app communication. Cloud backend systems on AWS or Azure enable scaling for thousands of connected vehicles.

Production Monitoring & MES Integration: For manufacturing companies, we develop Mobile Manufacturing Execution Systems (MES) that visualize machine data in real-time. Integration with OPC UA servers, SCADA systems, and industrial controllers enables mobile access to production metrics from anywhere in the plant.

Supply Chain & Logistics Apps: The complex supply chains of automotive suppliers require mobile solutions for inventory management, shipment tracking, and quality control. Barcode and RFID scanner integration, offline synchronization, and ERP connectivity are standard in our developments.

Security for Critical Infrastructure: Production data is highly sensitive. We implement end-to-end encryption, multi-factor authentication, and role-based access controls. Our architectures are designed following ISO 27001 and industry-specific security standards to support your compliance requirements.

IntegrIT Solutions – Your Partner for Business Apps

IntegrIT Solutions is your specialized app agency for professional B2B software development. We develop high-quality mobile applications using Flutter, Native iOS and Android, as well as custom enterprise systems. Our tech stack includes modern cloud architectures (AWS, Firebase, Supabase) and seamless integration into existing business systems. With agile development methodology and a clear focus on quality, we support medium-sized companies and corporations in their digital transformation.

Service Portfolio for Stuttgart Companies

App Development Lifecycle:

• Requirements analysis & conception with focus on Industry 4.0 requirements
• UX/UI design for complex data visualizations
• Agile development with 2-week sprints
• Quality assurance & testing on real production environments
• Deployment & in-house distribution (MDM integration)
• Maintenance & continuous updates

Legacy System Modernization: Many traditional Stuttgart companies still use desktop applications from the 90s. We transform these into modern mobile solutions while creating seamless transitions. We preserve proven business logic while modernizing the user interface and enabling mobile scenarios.

ERP & MES Integration: Connection to SAP, Microsoft Dynamics, Siemens controllers, and industry-specific systems via REST, OData, GraphQL, or SOAP. We develop middleware layers for secure communication between mobile apps and backend systems.

Regional Proximity – Personal Support

From our location in Rottweil, we reach Stuttgart via the A81 in under 90 minutes. We offer personal on-site meetings for kick-offs, sprint reviews, and workshops directly at your company – whether in Stuttgart-Zuffenhausen at Porsche, in Untertürkheim at Mercedes, or at your plant in the Stuttgart area.

The central location enables us to efficiently serve locations in Böblingen, Sindelfingen, Esslingen, and Ludwigsburg. Our approach combines the efficiency of modern remote collaboration with the reliability of personal on-site meetings.

Stuttgart Automotive Region: We also serve companies in Esslingen, Ludwigsburg, Böblingen, Sindelfingen, Leonberg, Waiblingen, and Fellbach.

Digital Trends in the Automotive Industry

Software-Defined Vehicles: The trend is moving from hardware-centric to software-centric vehicles. OTA updates (Over-the-Air), in-vehicle app stores, and continuous feature enhancements require robust backend infrastructures and mobile companion apps.

E-Mobility & Charging Infrastructure: E-mobility solutions require apps for charging station finders, payment systems, battery management, and range optimization. Integration with charging network systems and billing platforms.

Autonomous Driving & Testing: Test vehicles for autonomous systems generate petabytes of data. Mobile apps for test drivers for data recording, anomaly reporting, and scenario documentation are essential.

Predictive Maintenance: AI-powered maintenance predictions require mobile solutions for service technicians with access to historical data, repair guides, and parts ordering.

Why IntegrIT for Your Automotive App?

Technical Excellence: Our team consists of experienced software engineers with profound expertise in mobile development, IoT integration, and enterprise architectures.

B2B & Enterprise Focus: We understand the specific requirements of industrial customers: high availability, scalability, integration into complex IT landscapes, long-term maintainability.

Transparency & Communication: Regular sprint reviews, clear roadmaps, and direct contacts. No black box, but partnership-based collaboration.

Made in Germany: Development and hosting follow German standards – GDPR compliant and with professional quality standards.

Contact & Initial Consultation

Let's develop your digital automotive solution together. Contact us for a non-binding initial consultation. We'll analyze your requirements and show you concrete implementation options – whether connected car app, MES system, or supply chain management.