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UI/UX design
UI/UX design
UI/UX design
UI/UX design

Mobile application development

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Europ Mobile app support

The app distributes the work ordered by Europ Assistance (home damage, gas appliance maintenance, car rescue) to the company's partners. Partners document the work through the app and certify it to EA.
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Printapic App

Hungary's first native mobile app for canvas and poster makers.Thanks to the revolutionary process, the user is guaranteed to have their unique canvas picture or poster in their hands within two working days. You can order the coveted image with a maximum of 6 taps.
Read more

Our development platforms

iOS/Android native app development

We create your native iOS and Android apps, written in the programming language and framework of your chosen platform, and run directly on your device's operating system. Thus, during the development of mobile applications, you can achieve maximum performance and optimal user experience.
Native development
Android
Kotlin
Swift
iOS

Crossplatform app development

The hybrid, i.e., cross-platform mobile application, is a good choice for those who want to recycle existing web applications using JavaScript,CSS and HTML5, Cordova, or React Native, among others. Enjoy a smaller budget and faster development time with Flutter and React Native mobile apps.
Flutter
iOS
React Native
Kotlin
Android

Web mobile app development

Itis not necessary to publish your mobile application in the application stores (AppStore or Play Store). We can develop on-demand web-based applications with limited functionality for you. In this case, the hardware capabilities of the phone can be used to a lesser extent.
Android
iOS

BART, a mobil pincér

The Bart mobile app takes the ordering experience to a new level by eliminating long queues. The innovative app aims to make the ordering process faster, more convenient and smoother for shoppers.
Bővebben

Ferrosped, logisztikai app

We have developed an application for Ferro-Sped, through which drivers can see the transport assigned to them, upload their data and documents. They can digitally keep their documents, data and post reports and photos of possible accidents and damage to goods in the app.
Bővebben

Why choose us?

On-Time &
Budgeting

Our goal is to make you happy so that projects are delivered to their deadline, and their cost-effectiveness is also taken into account.

UI/UX above all

We want to provide you and your customers with an excellent user experience and a high level of functionality, so we place great emphasis on UI/UX design.

Tailored to your needs

We exclusively customize and develop applications for Android andi OS, so you can be sure that none of your needs will be forgotten.

Experienced
colleagues

We are proud that we only use experienced medior/senior developers with a professional background of a minimum of three years

Optional methodology

Depending on the size of the development, you will have the opportunity to choose the applied development methodology (Waterfall or Agile models).

You own the source code

Unlike other development companies, we fully pass on the source code when the product is finished. So you own the forms.

Our mobile app development process
If you want a unique mobile application for your company but do not know how to approach the development, contact us. We have had a tested and refined mobile application development process since 2008.
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1.
1.

Formulation of strategy

1.    No project can be completed without prior research, discussion and strategy. With thorough preparation, we can ensure that we really understand each other's needs, goals, and deadlines.The strategy helps us maximize post-implementation success, accelerate development and satisfy the customer. Thus, as a first step, we identify the application's target audience, find competitors, and define the application's goals and objectives.
2.
2.

Analysis and planning

At this stage, the idea begins to take shape. The design begins with the definition of use cases (USE CASES)and the recording of detailed functions. Once we have identified the requirements related to the mobile application, the Joint Workshops a reused to create a roadmap, which includes prioritizing the requirements of the mobile application and grouping them into fulfillment milestones.

Since the triangle of time, resources, and costs is often a challenge, we determine the Minimum Viable Product (MVP) and include it in the initial introduction.
3.
3.

UX/UI and mockup design

The success of a mobile application depends on how well users accept it and how much they take advantage of its features. The purpose of mobile application UI and UX design is to create a simple, good user experience, making the app interactive, intuitive, and user-friendly.

While mockups use static designs to showcase an app's features, tools like Invision and Figma allow us to create an interactive prototype from the designs. Prototypes simulate the user experience and demonstrate how the app will work as a product. Although developing prototypes can be time-consuming, it pays off quickly as it allows you to test the design and functionality of the application at an early stage.
4.
4.

Encoding

Depending on whether we work on the project using an Agile or Waterfall methodology, we keep it under constant control. Our project managers and developers demand and ensure outstanding professional standards. If necessary, we involve our clients in the development, as the developer and project management tools we use make this easy. Using them during the development provides for current or interim versions, code and functionality.
5.
5.

Application Testing, Quality Assurance

Testing is essential for app success, which is why it covers a significant part of our entire mobile app development process. Jointly writing and executing a comprehensive mobile testing plan is essential for the implementation of quality mobile applications.

During the testing phase, we always pay attention to the continuous delivery of each inter-work version to our customers. Thus, we ensure the Ransomware review and feedback capability are met. The most common approach would be Test flight for iOS apps, and for Android apps, the Over The Air (OTA) installation or thePlay Store.
6.
6.

Product introduction, follow-up, development

Once the app becomes available in app stores, we track its usage through mobile analytics platforms. We also regularly check and monitor technical reports, statistics or other problems reported by users. Mobile app updates must go through the same review process as when the app is uploaded to app stores for the first time.

After the launch of the mobile app, you can ask us for help developing a unique mobile application for which we use the data obtained during monitoring and follow-up.

Do you have a question?

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AP4 DIGITAL
Cell-Line IT Security Ltd.
Rétköz u. 5. /5. in
1118, Budapest, Hungary
hello@ap4.hu
+36 70 622 2622
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