Expertise

Cross-Platform App Development Services

S-PRO is an agency specialising in cross-platform app development services in Switzerland. We use advanced technologies that guarantee your solution’s security and scalability. Our developers have rich experience creating systems for fintech, healthcare, manufacturing, logistics, hospitality, renewable energy, and other industries.

Looking to create an application to achieve your business objectives? Partner with our cross-platform mobile app development company.


Key stats

4.2
years average customer engagement
250+
world-class engineers
10+
years full-cycle development experience
50+
AI & Data projects delivered over the last 3 years

Clients

Amina Bank
Crypto bank with a headquartered in Zug, Switzerland.
#Finance
CHCH
Clear Street
A diversified financial services firm which modernizing the brokerage ecosystem.
#Finance
USUS
Dragon Capital
An investment firm that has navigated Ukraine’s rocky financial waters, seizing hidden opportunities for its clients.
#Finance
UAUA
Hastings Deering
Sells, services, rents and supports new and used Caterpillar machinery, equipment and power solutions.
#Manufacturing
AUAU
Hyposwiss
A Swiss Private Bank located in Geneva.
#Finance
CHCH
Maverix Securities AG
One of the leading Swiss Securities Houses in the Structured Products market.
#Finance
CHCH
Societe Generale
A French-based leading financial services group.
#Finance
FRFR
Sygnum
A global digital asset banking group, founded on Swiss and Singapore heritage.
#Finance
CHCH

Cross-Platform App Development Services We Provide

Cross-Platform Development Consulting

Use our experience and technical expertise to avoid bottlenecks when creating a cross-platform application. Our specialists will analyse your business idea and research the market to determine key features and user personas. We will assist you when choosing the optimal tech stack and architectural solutions. Also, our team will consult you on vital security measures and the required compliance with industry regulations.

Cross-Platform Mobile Development for iOS and Android

Need a mobile application that will work on iOS and Android? Then, you’re in the right place! S-PRO is a cross-platform mobile app development company that creates custom solutions. We will help you cover your business requirements and reach your users on all available platforms. In addition, we will connect the necessary extensions and employ best practices to protect sensitive data.

UI/UX Design

UI/UX design for cross-platform apps isn’t just about overall intuitiveness and functionality. At S-PRO, we ensure the solution is visually appealing and user-friendly on all supported devices. This way, your customers will have an engaging and consistent experience throughout different platforms, increasing their satisfaction.

Quality Assurance

Testing is a necessary element of cross-platform app development services, guaranteeing system reliability and error-free operation. We create different test scenarios that consider all user stories and use cases. Our QA specialists check individual components, functions, and their interactions. We also ensure the application works correctly on different devices and operating systems.

Third-Party Integrations

Enhance your cross-platform app with third-party services and APIs. The S-PRO team will help you choose the most effective solutions. Then, we will securely connect them to your system and synchronise data exchange. We also optimise the integration to improve speed and responsiveness, providing your customers with a richer and smoother experience.

Maintenance & Support

Constantly monitoring the app’s performance and stability to fix errors on time is essential. Our company offers all the required maintenance and support services. We will keep your existing system on the right track, implement new features, and improve it whenever necessary. Therefore, your app will stay relevant in the future. Contact us to schedule updates and new versions.

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Process

In cross-platform app development services, a well-organised process is vital. It ensures high speed and product quality. We adhere to the Agile approach, breaking the workflow into small steps. When working on our projects, we make intermediate product presentations and swiftly implement changes. Also, you always understand the current state of your product development. Here are the most significant phases our team usually follows:
Our Cross-Platform App Development Company Process
In cross-platform app development services, a well-organised process is vital. It ensures high speed and product quality. We adhere to the Agile approach, breaking the workflow into small steps. When working on our projects, we make intermediate product presentations and swiftly implement changes. Also, you always understand the current state of your product development. Here are the most significant phases our team usually follows:
00
01
Pre-Discovery Phase
  • Defining the purpose and goals of the cross-platform app
  • Identifying budget, time, and technical limitations
  • Determining key performance indicators (KPIs)
  • Assessing market trends, user needs, and competitive landscape
  • Creating detailed user personas
  • Choosing the desired features and functionalities
  • Estimating project scope, budget, and timeline
02
Discovery Phase
  • Defining data models, databases, APIs, and integration points
  • Choosing the appropriate tech stack for cross-platform development
  • Establishing security measures
  • Drafting user stories and use cases
  • Creating a functional specification document
  • Identifying potential risks and developing strategies to mitigate them
03
UI/UX Design
  • Building wireframes and interactive prototypes
  • Designing buttons, menus, icons, and other UI elements
  • Defining user flows, information architecture, and navigation
  • Conducting user tests and iterating
  • Performing usability tests with potential customers
  • Identifying and addressing usability issues and pain points
  • Ensuring responsive design for different screen sizes and devices
04
Cross-Platform App Development
  • Establishing the development environment with the necessary tech stack
  • Setting up databases, server connections, and backend services
  • Developing the app’s features and functionalities
  • Integrating external services and APIs
  • Conducting thorough testing
  • Optimising the app’s performance
05
Quality Assurance
  • Developing a comprehensive test plan
  • Creating test cases and scenarios
  • Performing unit, integration, functional, usability, and other tests
  • Conducting user acceptance testing (UAT)
  • Documenting and reporting any defects, issues, or inconsistencies
  • Performing security tests to identify vulnerabilities
06
App Maintenance And Support
  • Monitoring the app’s stability, speed, and user engagement
  • Gathering user feedback through reviews and surveys
  • Addressing reported bugs, glitches, and issues
  • Implementing security updates and patches
  • Ensuring the app’s compatibility with the latest OS versions and devices
  • Keeping the documentation up to date

Our Case Studies

  • Dragon Capital
  • Treezor
  • Modo
Digitalization of the bond sale process for the largest Ukrainian investment fund
Mobile banking constructor for Treezor’s fintech clients
Energy market insights analytics platform

Get in touch

Get in touch
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Share your ideas, findings, and questions with us. We’re excited to extend our expertise to your project. After form submission, we'll respond you within 24h.
R&D centers
Zug, Switzerland (HQ)
Dammstrasse 16, 6300
Zurich, Switzerland
Hardturmstrasse 161, 8005
Lodz, Poland
Zachodnia 70, 90-403
Lviv, Ukraine
Heroiv UPA 71, 79000
Kyiv, Ukraine
Verkhnii Val St, 24, 04071
Business representatives
Salt Lake City, USA
Kiln SLC, 26 S Rio Grande St, UT 84101
Austin, USA
11801 Domain blvd., 3rd Fl, Austin, TX 78758
Amsterdam, Netherlands
Science Park 608, 1098 XH
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