Welcome to ProSistemos

Desktop & Mobile App Development

Welcome to ProSistemos

Desktop & Mobile App Development

Welcome to ProSistemos

Desktop & Mobile App Development

We build powerful, high-performance applications for Windows, macOS, and mobile that put mission-critical tools directly into the hands of your team.

Software Engineered for
Performance & Reliability

Native Speed & Responsiveness

When web-based tools aren't enough, we deliver the performance of native applications. Get instant responsiveness, smooth animations, and the power to handle complex tasks and large datasets without browser limitations.

Native Speed & Responsiveness

When web-based tools aren't enough, we deliver the performance of native applications. Get instant responsiveness, smooth animations, and the power to handle complex tasks and large datasets without browser limitations.

Native Speed & Responsiveness

When web-based tools aren't enough, we deliver the performance of native applications. Get instant responsiveness, smooth animations, and the power to handle complex tasks and large datasets without browser limitations.

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Intuitive User-Centric Design

A powerful tool is useless if it's difficult to use. We focus on creating clean, intuitive user interfaces (UI) and logical user experiences (UX) that reduce training time, minimize errors, and maximize team adoption.

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Intuitive User-Centric Design

A powerful tool is useless if it's difficult to use. We focus on creating clean, intuitive user interfaces (UI) and logical user experiences (UX) that reduce training time, minimize errors, and maximize team adoption.

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Intuitive User-Centric Design

A powerful tool is useless if it's difficult to use. We focus on creating clean, intuitive user interfaces (UI) and logical user experiences (UX) that reduce training time, minimize errors, and maximize team adoption.

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Deep Hardware & OS Integration

Desktop and mobile apps can do things web apps can't. We leverage deep integration with the operating system to control hardware, manage local files, and create robust, reliable offline-first functionality.

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Deep Hardware & OS Integration

Desktop and mobile apps can do things web apps can't. We leverage deep integration with the operating system to control hardware, manage local files, and create robust, reliable offline-first functionality.

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Deep Hardware & OS Integration

Desktop and mobile apps can do things web apps can't. We leverage deep integration with the operating system to control hardware, manage local files, and create robust, reliable offline-first functionality.

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We utilize modern frameworks like .NET MAUI to build and deploy your application across multiple operating systems, saving you time and development costs.

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We utilize modern frameworks like .NET MAUI to build and deploy your application across multiple operating systems, saving you time and development costs.

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We utilize modern frameworks like .NET MAUI to build and deploy your application across multiple operating systems, saving you time and development costs.

Smiling man with light brown hair and stubble, wearing a khaki shirt in natural light
Smiling man with light brown hair and stubble, wearing a khaki shirt in natural light
Smiling man with light brown hair and stubble, wearing a khaki shirt in natural light

We’re here for you. Our team is always available to assist with any questions or issues.

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Offline-First Capability

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Offline-First Capability

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Offline-First Capability

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Direct Hardware Access

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Direct Hardware Access

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Direct Hardware Access

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Centralized & Secure Deployment

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Centralized & Secure Deployment

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Centralized & Secure Deployment

“In a world of flimsy web tools, a well-crafted desktop application is a statement of seriousness. It's about giving a professional a powerful, reliable instrument designed to perform a critical task flawlessly, day in and day out. We build the tools that professionals depend on.”

A man in a blue suit jacket and patterned shirt smiles confidently against a plain white background.

Justas Kvederis

Co-Founder, ProSistemos

“In a world of flimsy web tools, a well-crafted desktop application is a statement of seriousness. It's about giving a professional a powerful, reliable instrument designed to perform a critical task flawlessly, day in and day out. We build the tools that professionals depend on.”

A man in a blue suit jacket and patterned shirt smiles confidently against a plain white background.

Justas Kvederis

Co-Founder, ProSistemos

“In a world of flimsy web tools, a well-crafted desktop application is a statement of seriousness. It's about giving a professional a powerful, reliable instrument designed to perform a critical task flawlessly, day in and day out. We build the tools that professionals depend on.”

A man in a blue suit jacket and patterned shirt smiles confidently against a plain white background.

Justas Kvederis

Co-Founder, ProSistemos

Mobile App development

Transforming a Community Space with Interactive Learning

A public library partner wanted to increase engagement with their youngest members. They envisioned a vibrant digital experience that could run on their in-house phones - a tool that was both educational and captivating enough to compete for attention in the modern world, turning passive screen time into active learning.

We partnered with their team to design and build a custom mobile application from the ground up. The platform features a suite of curriculum-aligned educational games, interactive stories, and reading challenges. Developed in close collaboration with the librarians, the app provides a safe, reliable, and highly engaging digital environment where kids can build literacy skills, solve problems, and explore new ideas.

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App screenshot
App screenshot
App screenshot