We turn ideas into strong digital products.
Jüpiter Yazılım is a technology company building software for web, mobile and desktop. From client projects to our own products, we put quality, performance and user experience first in everything we do.
From client work to our own products.
2015
Founded
Jüpiter Yazılım was founded.
2015–2025
Client projects
We built websites, e-commerce platforms, admin panels and apps for clients across many industries.
May 2026
Panic Party
Our game that brings laughter and excitement to get-togethers went live.
June 2026
Pulse
Our game where players from around the world compete on the same leaderboard went live.
October 2026
Costbook
Our app that makes managing expenses in one place effortless went live.
Our principles.
Whatever the size or platform of the project, we work by the same principles.
User-centered design
A product’s quality is measured by how easily and quickly people get things done. We always start design from user flows.
Quality and performance
We write clean, testable and scalable code. Speed, security and stability are planned from the start on every project.
Consistent on every platform
Web, mobile or desktop: our products work with the same care and consistency on every screen size and device.
With you after launch
Launch, monitoring, maintenance and regular updates are part of the project. As your product grows, we grow with it.
Let’s talk about your project.
Tell us what you need, and we’ll plan the right solution together.