While selecting an app development company you need to just keep some point in mind. I will explain it below that save your lots of time. But first let me highlight some companies that provide custom mobile app development services.
9series - https://www.9spl.com
ArcTouch - https://arctouch.com/
Blue Label Labs - https://www.bluelabellabs.com/
RipenApps - https://ripenapps.com/
Below are points you need consider while evaluating a company for app project.
Experience: This is important and necessary as well, because developer experience gives you a clear idea of your app functionality and UI. It also eliminates the basic development problem before starting a project, to avoid over budget problem.
Industry Served: If already work had a work experience related to your industry, as owner you can take advantage of you skill. The can easily tell you what user like to see a first when they open the app, and how you can simplified their app journey with less breakdown.
Technology: The company about their knowledge on different app development framework. Ask them which framework will suite their app and why. Also ask them how you can monitor the app performance after the development, and what information you can edit by your own.
Analytics: This is most important and some owner neglect this due to time issue and knowledge. An app analytics helps you to find app issue, app usage, improvement, suggestion and experiment. Always ask for app analytics, but it is up to you to select a paid or free version.
