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Compare Promise Development vs Key Development OOD.

Side-by-side comparison of features, pricing, services, ratings and more.

Promise Development Agency logo

Promise Development

Web Development & Technology Website

Promise Development is a Bulgarian web design and security assessment agency founded in 2016. The agency offers trendy and professional website design backed by recent programming and web design developments.

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Winner
Key Development OOD. Agency logo

Key Development OOD.

Web Development & Technology Website

Key Development OOD. is a Sofia-based software company founded in 2014. It develops mobile applications and websites using established technologies, with expertise spanning CMS platforms, custom frameworks, UI/UX, no-code tools, and eCommerce.

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Feature Comparison

Attribute Promise Development Key Development OOD.
Category Web Development & Technology Web Development & Technology
Rating -
Winner +5.0 higher
Location Sofia, Bulgaria Sofia, Bulgaria
Services
  • Web Design
  • Security Assessment & Penetration Testing
  • Mobile App Development
  • CMS development
  • Custom software development
  • UI/UX design
  • eCommerce development
  • No-code development
  • Web Design
  • Security Assessment & Penetration Testing
  • Mobile App Development
  • CMS development
  • Custom software development
  • UI/UX design
  • eCommerce development
  • No-code development
Industries
Fashion
eCommerce Health Care Finance Software & IT Services Education HR Nonprofit
Pros
  • Founded in 2016 with offices in Sofia and Burgas, Bulgaria
  • Combines web design with security assessment and penetration testing services
  • Supports Android, iPhone, iPad, hybrid, wearable, B2B, and B2C app projects
  • Works with Drupal, TYPO3, WordPress, .NET, Laravel, Next.js, Node.js, Django, React, and Vue
  • Offers UI/UX capabilities including user research, usability testing, UX strategy, dashboard design, and interactive design
  • Serves startups, small businesses, and medium businesses
Website Visit Site Visit Site
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