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Compare InternetStars Agency vs Concept21

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

InternetStars Agency Agency logo

InternetStars Agency

Web Development & Technology Website

InternetStars Agency focuses on creating innovative mobile apps to suit and align with eCommerce solutions and unique marketing needs of clients. The team develops both native and flutter applications to fit any customer requirements.

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Winner
Concept21 Agency logo

Concept21

Branding & Design Website

Concept21 is a full-spectrum digital agency based in Wroclaw, Poland, founded in 2015. The team of 50-99 employees has completed over 1,500 projects across web design, development, eCommerce, SEO, branding, and digital strategy.

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Feature Comparison

Attribute InternetStars Agency Concept21
Category Web Development & Technology Branding & Design
Rating -
Winner +5.0 higher
Location Piotrkowska 148/150, Łódź, 90-063, Poland Wroclaw, Poland
Services
  • UI/UX Design
  • Mobile App Development
  • Cloud Consulting
  • DevOps Consulting
  • eCommerce Development
  • AI Development
  • Software Development
  • CRM Consulting
  • Software Testing
  • ERP Consulting
  • Web Design
  • Web Development
  • SEO
  • CRO
  • Design Services
  • Digital Strategy
  • Branding
  • UI/UX Design
  • Mobile App Development
  • Cloud Consulting
  • DevOps Consulting
  • eCommerce Development
  • AI Development
  • Software Development
  • CRM Consulting
  • Software Testing
  • ERP Consulting
  • Web Design
  • Web Development
  • SEO
  • CRO
  • Design Services
  • Digital Strategy
  • Branding
Industries
AI Design Health Care eCommerce Legal
Construction Consumer Goods Corporate Services Fintech Food and Beverage Hospitality Insurance Design Fashion eCommerce
Pros
  • Specializes in mobile app development for eCommerce and marketing
  • Offers a wide range of services including UI/UX, AI, cloud, and DevOps
  • Serves clients such as Orange Telekom and National Bank of Poland
  • Google reviewers praise clear communication, responsiveness, and reliability.
  • Co-founders bring 15+ and 14+ years of experience in eCommerce, marketplace technology, Java, and financial systems.
  • Client list includes Allianz, Walmart, IKEA, Visa, Hilton, and Accor.
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