App Design & Development

Cobalt Sign | The Chemistry of Apps

Cobalt Sign is a small app design and development company based in Timisoara, Romania.

We like to take a meticulous approach to creating quality apps, starting from just an idea, to launch.

We specialize in building native mobile apps for iOS and Android using Swift & Kotlin, Flutter or React Native, with focus on UX and good communication.

Our own app "Ready Set Holiday!", a B2C travel planner, has over 2 million downloads and a rating of over 4.5 stars.

$10,000+
$50 - $99 / hr
10 - 49
Founded 2011
Timișoara, Romania
Map location
headquarters

Focus

Service lines
70%
20%
10%
Mobile App Development
UX/UI Design
Web Development
Client focus
50%
50%
Midmarket ($10M - $1B)
Small Business (<$10M)
Industry focus
30%
20%
20%
20%
10%
Financial services
Business services
Medical
Frameworks and CMS
50%
40%
10%
Mobile Focus
40%
20%
20%
10%
10%
Mobile Platforms
50%
40%
10%
Programming & Scripting
30%
30%
30%
10%
User Experience Focus
40%
40%
20%

Portfolio

Reviews

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