Tailored digital solutions

AP4 Digital

We fully support your business with tailor-made software development, web solutions and mobile applications.

We offer end-to-end software development and consulting — from ideation to launch and operations.

No more compromises — truly custom development

Optimized for business goals and process automatio

Strong technological foundation, powered by an exclusively senior development team

Our clients have entrusted us with these projects

Szakmavilag.hu

Education

Web development

BKK Telebus web and mobile app

Transport

Mobile app

Web development

UNIX car webshop

Automotive industry

Web development

Specialist web portal

Education

Web development

SIMPLE.HU

Finance

Web development

Swiss Clinic webshop and appointment booking system

Health

Web development

Printapic

Interior design

Mobile app

MODULO furniture planner

Interior design

Web development

Hell Energy App

Trade

Mobile app

More references

WHY CHOOSE US?

Senior team

All projects are implemented by a senior development team.

Transparency

A fast, transparent software development process.

Full implementation

Strategy, planning and implementation in one hand.

Business thinking

We don't just write code - we understand the market objectives and align features, timing and priorities to them.

Personalised

We don't sell templates - we develop to your needs.

Copyrighted source code

The source code becomes your property.

Our development process

We build software that works from ideas - tailored to your business processes.

At AP4, the work doesn’t start with coding — it starts with understanding your business, your goals, and the digital obstacles slowing you down.

Then it's design and development - creating a solution that delivers real business results.

01 Consultation and needs assessment

In the beginning there was the idea. Only about 10 % of digital products succeed in delivering value to end users. The ideation phase helps identify how to avoid early failure — by uncovering key challenges, constraints, and possible solutions.

02 Strategic planning

From the first meeting to the wireframe: once we have assessed the needs, we will prepare the functional specification for the project and design the product, so you have the wireframe for your app or software in hand! A personalised detailed proposal and project schedule is then prepared.

Design workshopsUI/UX DesignCorporate design

03 UI/UX Design

We create transparent, quick-to-use interfaces for end users - for a better experience and conversion.

04 Development and testing

An MVP (Minimum Viable Product) is a version that includes only the most essential features and user interfaces, enabling you to gather feedback early. Depending on your approach, the MVP may be a functioning prototype or a simplified concept model.

BackendSDKAPITech stackFrtonend

05 Introduction and support

The post-launch life of a product is a kind of gestation period. It is usually characterised by customer support tasks, updates, development of new features and sustained product development. The key objective of continuous improvement is to ensure that the product evolves, innovates, keeps up with trends, improves the user experience and meets new needs.

StatisticsDevelopment cyclesSupport

Our team is your team

We offer innovative solutions to our clients' needs and ensure that the development is delivered to the right quality and on time.

Let's talk about the
project!

What happens if you contact us?

1.

One of our experts will contact you within a few days to understand exactly what you need.

2.

For more complex or confidential projects, we sign a confidentiality agreement so you're safe from the start.
Let us know your idea.

3.

We will provide you with material that includes not only estimated costs and timeframes, but also a presentation of the experts, technological proposals and next steps.

How can we help?

Fill in our short form and we will call you back within a few days! Whether you have a specific idea you'd like to discuss or just want to find out more about the possibilities, we're here to help.

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We write from experience - it will be useful for you too

Every software development is different - but there are recurring issues, pitfalls and decisions. In our blog articles, we give practical advice for those who are serious about digital development.