A company specializing in app development and artificial intelligence

We are a company specializing in company specialized in mobile application development, customized software and professional artificial intelligence solutions for businesses and startups. We design and develop iOS and Android apps, SaaS platforms, and AI-based solutions, supporting our clients from product definition through launch and ongoing development.

We have more than 15 years of experience and have developed over 450 digital projects for companies, startups, and organizations seeking scalable, innovative, and results-oriented technology solutions.

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Mobile app development for businesses

Mobile App Developers & Experts

Cross-Platform App Development

We develop mobile apps for iOS and Android using modern technologies such as React Native and Flutter, reducing costs and speeding up the product launch.

Android App Development

We develop scalable, secure, and optimized Android apps to deliver the best experience on Android devices.

iOS App Development

We develop iPhone and iPad apps with intuitive interfaces, high performance, and full integration with the Apple ecosystem.

Our Application Development Methodology

Every project begins with a strategic analysis and follows a structured development process that enables us to deliver high-quality, custom mobile apps and software. Thanks to an agile methodology, we maintain constant communication with our clients and validate each phase before moving on to the next step.

1. Discovery and Strategy

We analyze the business concept, the project's objectives, and user needs to define the application's functional scope and select the most appropriate technology architecture.

✔ Initial meeting
✔ Functional Analysis
✔ Definition of the MVP
✔ Project Planning

2. UX/UI Design and Prototyping

We design the user experience and graphical interface before development to validate the navigation, optimize usability, and minimize changes during programming.

✔ Wireframes
✔ UX Design
✔ UI Design
✔ Interactive prototype

3. Application Development

Our team is simultaneously developing the mobile app for iOS and Android, the backend, and the admin panel using modern, scalable, and secure technologies.

✔ iOS Development
✔ Android Development
✔ Backend
✔ APIs
✔ Admin Panel

4. Quality Assurance (QA)

Before each release, we conduct functional, performance, and compatibility tests to ensure a stable, fast, and production-ready application.

✔ Functional QA
✔ Optimization
✔ Troubleshooting
✔ Validation with the client

5. Publication and Launch

We handle the entire publishing process on the App Store and Google Play, including certificates, configurations, reviews, and deployment.

✔ Published on the App Store
✔ Published on Google Play
✔ Server Configuration
✔ Source code delivery

6. Development and Maintenance

An app never stops evolving. After launch, we continue to add new features, optimize performance, and adapt the product to the needs of the business.

✔ New features
✔ Technical Support
✔ Incremental maintenance
✔ Scalability

Our goal is to develop mobile apps that are ready to scale from day one. We work with a transparent methodology, regular deliverables, and a team specialized in app development for startups, companies, and organizations seeking to create robust, scalable, and long-term digital products. Our solutions are robust and reliable. We use the most up-to-date and efficient app development technology in Spain for our services. We develop apps with React Native and professional Flutter. Below are some examples of applications developed with React Native technology:

Technologies We Use to Develop

We develop mobile apps, custom software, and artificial intelligence using industry-leading technologies. We choose the best architecture for each project with the goal of delivering fast, scalable, secure apps that are ready to grow.

Success Stories in App and Software Development

Development of an app marketplace for Soluciona

Solve It is an on-demand services marketplace platform that connects customers with professionals through two separate mobile apps and a web-based administration dashboard. The solution allows users to search for nearby service providers, book services, manage payments, communicate via chat, and manage all operations from a single, scalable platform.

Type: Marketplace · Mobile Apps + Web Dashboard
Technology: React Native + Laravel
AI Features: Architecture designed for automation and AI integrations
Sector: Marketplace / Home Services
Client's city / country: Spain

See project

Development of a services marketplace app with applications for customers and microservice providers

Soccer app development for Kapitan

Kapitan is a mobile application for the management and communication of grassroots sports clubs, which centralizes trainings, games and events in a single space. It facilitates coordination between coaches, players and families through calls, automatic notifications and integrated chat, keeping all club information organized and accessible from a single app.

Type: Mobile App
Technology: React Native + Laravel
AI Features: smart recommendations, automation, or chatbots.
Sector: Sports. Sports clubs
Client's city / country: Madrid - Spain

See project

Mobile app development for Populit in Madrid

Mobile development for Android and iOS for the management and participation in social and local events, designed to connect people and facilitate the organization of activities in Madrid. Populit allows you to discover events, join activities, chat with other participants and receive real-time notifications, all from a single intuitive and accessible application.

Type: Mobile App
Technology: React Native + Laravel
Sector: Social / Events
Client's city / country: Madrid - Spain

See project

On-demand cab app development for Taxival

Mobile application of transport on demand that connects users with cab services quickly and easily. Taxival allows you to request rides, manage reservations and improve the urban mobility experience through an intuitive, secure and optimized platform for daily use.

Type: Mobile App
Technology: Flutter + Firebase
Sector: Transportation / Mobility
Client's city / country: Spain

See project

Development of mobile applications by sector

Social Networking Apps

More information

Travel Apps

Custom Software Development Company

BUSINESS SOFTWARE, SAAS, AND CUSTOM INTEGRATIONS

SaaS Platforms

We develop scalable SaaS platforms for startups and businesses, featuring user management, subscription management, and admin dashboards.

Business Software

We develop CRM, ERP, intranets, and internal tools to automate processes and improve business productivity.

Integrations and AI

We connect APIs, external systems, and artificial intelligence solutions to automate tasks and optimize processes.

Web Platform and Enterprise Software Development

App Design develops Custom software for businesses and startups who need to digitize processes, manage users, or create new digital products.

We develop SaaS platforms, CRMs, ERPs, marketplaces, intranets, and enterprise systems tailored to the specific needs of each organization.

Our team designs scalable architectures and integrates APIs, cloud services, and artificial intelligence solutions to automate processes, optimize operations, and improve business efficiency.

We work with modern technologies such as Laravel, React, Node.js, Python, and cloud services to develop robust, secure solutions that are ready for growth.

Our Clients' Opinions

Real opinions on Google My Business

"An excellent company, extremely professional. Oliver is very attentive, professional, and detail-oriented. He immediately understood my needs and preferences and knew how to incorporate them into the app he created for me. He provided clear instructions and finished the job in more than enough time. I recommend him a thousand times over."

Federico Beekman

CEO at TangoTravel.us Inc., New York

"One of the best app development and web design companies. They turned my idea into reality. They are very professional. Highest recommendation :)"

Sergi M.

CEO at Workew.com

"We reached out to App Design to develop a mobile app for our company. What we appreciated most was that, before discussing pricing, they took the time to fully understand the project and suggested improvements we hadn't considered. Communication was smooth throughout the entire development process, and they met the agreed-upon deadlines. We continue to work with them on new features."

Fran Jimena

CEO, Automotive Company

Frequently Asked Questions About App Development, Software, and Artificial Intelligence

How much does it cost to develop a mobile app?

The cost of developing a professional mobile app typically starts at €10,000–€15,000 for a simple MVP and can exceed €30,000 – 50,000 € for projects involving an admin panel, payments, geolocation, chat, reservations, a marketplace, or artificial intelligence. At App Design, we analyze each project to establish a realistic budget based on the required features, platforms, and integrations.

How long does it take to develop an app?

An MVP typically takes between 8 and 12 weeks to develop, while a more advanced app may take between 4 and 6 months. The timeline depends on the design, features, validation, external integrations, and publication on the App Store and Google Play.

Do you develop apps for iOS and Android?

Yes. We develop mobile apps for iOS and Android using technologies such as React Native, Flutter, and native development when the project requires it. This allows us to create scalable, optimized apps tailored to each company's needs.

What types of custom software do you develop?

We develop SaaS platforms, CRMs, ERPs, marketplaces, intranets, administration dashboards, booking systems, internal tools, and custom business software. Our goal is to create digital solutions tailored to the actual processes of each business.

Do you offer artificial intelligence solutions for businesses?

Yes. We implement artificial intelligence solutions to automate processes, create virtual assistants, develop chatbots, integrate AI agents, connect models such as OpenAI or Claude, and improve the operational efficiency of companies and startups.

Can you develop an MVP to validate a business idea?

Yes. We help startups and companies create functional MVPs to validate an idea, launch an initial version on the market, and reduce risks before investing in a more comprehensive platform.

Do you include an admin panel in your projects?

Yes. Most of the apps and platforms we develop include a web-based admin panel for managing users, content, payments, reservations, statistics, notifications, and system settings.

Do you offer post-launch maintenance?

Yes. We offer corrective and evolutionary maintenance, as well as technical support, to improve the application, resolve issues, update dependencies, add new features, and ensure the project's long-term stability.

Why choose App Design to develop an app, software, or artificial intelligence solution?

App Design is a company specializing in mobile app development, custom software, and artificial intelligence. We have over 15 years of experience and have developed more than 450 digital projects for companies, startups, and organizations that need scalable, well-designed, and business-oriented technology solutions.