First of all when you assume how to build an app, the first thing that are supposed to strike you is to have an innovative idea that is not used before. This is the optimum imaginable way to have a successful phone app. If your application is not innovative and have the wow factor then you it must not be smoothly recognized among the already existing industry applications. If you come up with a specific thing pleasant then it'll absolutely recognized much smoothly.
The second thing that you have to guard whilst looking to build your app is that it must be usable. It means that if you have come up with a specific thing very extra habitual but still it is terribly much less in use then the users will not prefer it most of the times. So whilst thinking how to build an app you also has to visualize about its usability in a different way it largely remains idle.
The third important thing that are supposed to return to your mind, whilst building phone app is that it will not be very much complicated, because this will limit its users. If you have develop a few excellent application nonetheless it is not very simple to use then you can see that people will not go for it as they do not want to have an application that is confusing to use.
While thinking of how to build an app you must have to take the payment consideration, means you must have an idea about the payment quantity that prospects are willing to pay for these mobile applications. If you have made a specific thing very interesting but the payment is high so you may find people unwilling to pay that much. So you must have a payment quantity on your mind whilst building an app. The last thing after you have build your app is to do its actual marketing in a different way you may not be able to find the actual market and users for your application. As there are many applications developed each day so it undoubtedly becomes difficult for the users to find the optimum and suitable application for them. So if you do actual marketing then you might be able to find actual market base.
Here you can get lots of classes of application for phone app, designing an application development and how to build a app.