A company that design, develops, tests, and publishes mobile applications for different operating systems, including iOS, Android, and others, is known as a mobile app development company. These businesses employ programmers, designers, and project managers to work together to create custom applications for clients in a variety of industries, such as gaming, healthcare, finance, and more. They offer a range of services, such as app design, development, testing, deployment, maintenance, and updates to guarantee the app meets the client's needs and remains competitive in the market.