We are a full-service digital agency with more than 25 years of experience creating tailor made video apps for every screen.
From Design to Testing. Full-service Video App Development.
We create video applications with a strong focus on design, development and quality assurance. Every app is crafted for a seamless viewing experience on any device or platform.
Design
We create video app designs that are intuitive, visually consistent, and tailored to your audience. Our design process focuses on usability, brand alignment, and an optimal viewing experience across Smart TV, mobile, and web.
Development
Our developers build scalable, secure, and high‑performance video front-ends. Whether it’s on-demand, live content, or integration with your existing backend systems, we ensure smooth playback and reliable performance on every device.
QA & Support
Quality is central to everything we deliver. Through extensive QA and testing, we ensure stability, speed, and security. We perform functional testing, performance checks, and security validations so your app works reliably at any scale.
Specialists on all platforms and devices
We develop video apps that work everywhere: from iOS and Android to the web and Smart TV. Our solutions are optimized for performance, compatibility, and a consistent user experience.
Smart TV
Smart TV apps offer a unique way to reach your target audience on the biggest screen in the house.
Connected devices
Apple TV, Android TV, Fire TV and Set-top boxes: leverage our unique capabilities and launch on these platforms.
Smartphone and Tablet
Stylish and reliable. With a video app for iOS and Android, you're available to everyone.
Web
Want to quickly open your laptop for a movie or TV series? No problem with Stoneroos' services.
Trusted by major brands such as NPO, DELTA Fiber, KPN, Sunrise and T-Mobile
NPO Start
For Dutch Public Broadcaster NPO, we use our specialist knowledge to develop the NPO Start app on the Smart TV platforms Tizen, WebOS, Titan OS and VIDAA OS.
DELTA Fiber
Smartphones, Tablets, Connected Devices, Smart TVs, Web, Android Set-top boxes and the good old Linux Set-top box: for all these platforms, Stoneroos has been the partner for DELTA Fiber since 2016 in designing and developing the Front-end TV apps.
Sunrise
To enable the Single Sign-on Operator Login feature, Stoneroos created an Apple TV app with an Apple Certified UX design for Sunrise Switzerland.
Stoneroos Labs
To stimulate innovation we started Stoneroos Labs, our own makers place to learn and have fun.
KPN TV
EPGdata.tv powers premium TV experience KPN. Supplier of metadata, images, and innovation.
T-Mobile
A groundbreaking OTT experience on Apple TV, iOS, Android, and Web, including Chromecast.
SportsTribal
A free, ad-supported sports streaming service launched for smartphones, tablets, web and Android TV.
Contact us
Do you have questions or want to learn more about our services? Don't hesitate to reach out to us. We look forward to hearing from you!
Get in touch
Partners & Integrations
About Stoneroos
Stoneroos, part of NEP Europe, is a digital development agency with more than 25 years of experience in creating video applications for every screen.
What started with pioneering work on set‑top boxes has grown into a strong focus on Smart TV and connected device solutions.
Our UI/UX designers and developers create tailored front‑end video applications that combine thoughtful design with high‑performance development. We support all major Smart TV platforms, connected device, mobile and web.
To ensure the highest quality, we maintain an extensive Smart TV test lineup that enables rigorous quality control across all supported platforms, ensuring a consistent, stable and premium user experience on any device.
Trusted by leading content providers and TV operators, Stoneroos delivers scalable, user‑centric video applications that bring content to life on every screen.
FAQ
What services does Stoneroos provide?
Stoneroos is a full‑service digital development agency with more than 25 years of experience in creating front‑end video applications for every screen. We focus on designing, developing and delivering high‑quality video apps for Smart TVs, connected devices, mobile and web. Our UI/UX designers, engineers and QA specialists help content owners, media companies and TV operators enhance and expand their video services across all platforms.
Which platforms do you develop video apps for?
Stoneroos can develop (OTT) video apps for all major platforms such as: Samsung Tizen, WebOS, Apple TV, Android TV, Fire TV, Titan OS, VIDAA, Amazon Fire TV, iOS, iPadOS, Android, Set-top-box and more.
Do you develop customized solutions?
Yes, based on the challenges and wishes of our customers, our experts are able to create unique custom apps for every type of screen and device.
Do you also develop other types of apps besides video apps?
Yes, in addition to video apps, our designers and developers build high‑quality front‑end applications for a wide range of digital products. Our experience with complex interfaces and multi‑platform environments allows us to deliver reliable, well‑designed apps for any type of organisation.
Do you offer support from concept to release?
Yes, Stoneroos provides full‑service support across the entire process, from consultancy and concept development to development and release management.