We are a team of software engineers focused on quality mobile app development, building robust apps with innovative, inspiring designs.
Pixel perfect, native apps for iPhone and iPad with a great-looking design.
Beautiful, native apps for Android smartphones, tablets, and of course, smartwatches.
High quality, native, modern apps for Windows 8 and Windows Phone.
"We love working together with Oana and Arthur from Cobalt Sign especially for Windows Phone and Windows 8 platforms. They are highly skilled experts for those platforms and combine great UX design and coding skills."− Simon Schweigruber, CEO - DWB.ch
"Cobalt Sign delivered professional results within a very short time, which helped us meet the deadline for a product-launch. In addition to the professional results of the accomplished work, we especially want to highlight the quick understanding of our requirements and the structured, professional way of working."− Mark Voorboom, Product Manager - Stb Automatisering & Advies BV
"I've had the pleasure of working with the Cobalt Sign team on a few projects and I'm looking forward to working with them again. Using a clean and structured project management approach, oriented to getting things done, they were able to deliver high quality work on amazingly short deadlines, while leaving out the stress and chaos that usually arises in these situations. Did I mention they consistently create beautiful and responsive UI's?"− Andrei Marinescu, CTO - Appscend
"Mit Cobalt Sign zusammen zu arbeiten ist das beste was uns passiert Ist, unsere Vorstellungen wurden engagiert und professionell umgesetzt. Ohne Cobalt Sign wäre WPVision.de nicht da wo es heute ist."− Jens Krakau, Co-Founder - WPVision.de
Quality code, Awarded apps
We create high quality apps, with elegant code and pixel perfect designs
Let’s talk about mobile app development! Get in touch
Our Tea Cup app specially designed for Samsung Gear 2 was one of the winners in Round 1 of the Challenge.
Awarded to Oana Csertus in May 2013. “Nokia Developer Champion is a recognition and reward program for top mobile developers from around the world.”
Worldwide Windows 8 Hackathon, 2011. We won the “Lifestyle” award with our health&fitness app, Weightographic and our Windows Phone app, Tea Timer.
Design and development competition organized by Core77 and Microsoft in November 2011. Our app, 1tap2send was one of the notable finalists.
“Windows Phone Rockstar Award” 2010. We reached the top 10 with our app, Hawkeye, a travel trails app, how Microsoft described it.
Our Microsoft Silverlight and Azure project, HotSpot, won the “Engineering Competition” organized by Microsoft Romania and BEST Timisoara in 2009. The project is open source on Codeplex.
"Fantastic. I use it several times a day and not once has it let me down. The UI is clean and intuitive, and the alarm is pleasant instead of harsh and grating. It could not be better!"− Aaron, USA, about Tea Timer
"Brilliant little holiday countdown app to look at each day & create your holiday to do list!"− Mrs. Caddy, UK, about Ready Set Holiday! on iPhone
"Perfect ... This solved the problem of drafts :)"− Davide, Italy, about 1tap2send
"Fab app, easy, straight forward useful."− A Google User, about Ready Set Holiday! on Android