Krootl is a software development agency that builds digital products for startups and global enterprises. We create custom web and mobile apps for our clients since 2018. Official Flutter consultants, senior fullstack AI-assisted engineering team. Krootl uses spec driven, AI-assisted development throughout the delivery process to improve speed, code quality, testing, documentation, research, and engineering productivity. Every important technical decision, integration, and release is shaped and reviewed by experienced engineers who understand the product context, business requirements, security needs, and long-term maintainability. Our senior delivery team works across the full product lifecycle - from discovery, technical planning, and UI/UX design to architecture, development, quality assurance, deployment, and long-term support. Krootl can take ownership of an entire product or strengthen an existing in-house team.