When selecting a custom app development company, it is important to choose a team that can provide the right type of services for your project. App development involves many tasks including software testing, analysis, and programming. Depending on the project, the cost and timeline may vary. Before choosing a company, ask about their pricing policies and their outlook on any extra charges. Some companies charge by the hour or work on a fixed price. You may also choose a hybrid model combining the benefits of time and materials pricing.