The App Master

The App Master is a mobile app and software development agency founded in 2009, headquartered in Buenos Aires, Argentina, with a secondary office in Fort Walton Beach, Florida. The agency employs under 49 people and maintains a minimum project budget of $25,000 to $50,000 with an average hourly rate of $45. The App Master focuses on creating digital experiences that serve tens of thousands of consumers, combining advanced Agile principles with design thinking to keep the end user at the center of every project.

The agency offers a comprehensive range of services including mobile app development, software development, UI/UX design, HR outsourcing, and IT services. Technical expertise spans custom frameworks such as .Net, Angular, Node.js, and React.JS, as well as custom languages like ASP.NET and Java. For mobile platforms, The App Master develops native Android and iPhone applications using Flutter and React Native. The agency also provides IT staffing and IT outsourcing capabilities.

The App Master serves clients across finance, eCommerce, education, and real estate industries. The client base includes both startups and enterprise or corporate organizations. Notable clients include GlaxoSmithKline, BRF, Ogilvy, Endemol, Roche, Assurant, Unilever, and others. The agency has delivered projects for companies of all sizes, from small startups to large enterprises with over 5,000 employees.

Client feedback is overwhelmingly positive, with a perfect 5.0 Google rating from 21 reviews. Reviewers consistently highlight the agency's professionalism, quality of work, personalized attention, and ability to overcome complex challenges. DesignRush reviews also average 4.9 from 12 reviews, with clients praising the team's proactive engagement, sharp thinking, and dependable project management.

The portfolio includes notable mobile app projects such as Palacio Duhau Hyatt, Plateanet POS, International Materials Inc, Avalian, Energías del Plata, and Range Time. The agency has also delivered successful MVP projects for startups like Equimera, Xeller, and RugbyDat, as well as enterprise solutions for companies like Tenaris and Assist Card. The App Master has received multiple industry awards recognizing its work.