The reasons cited for not having created a mobile app are:
- They don't know how to build a mobile app.
- They're too busy to maintain such an app.
- The price tag is too high for developing a custom app.
- The security risks are frightening.
There are a lot of opportunities for experienced developers to create apps for customers. By creating a flexible app design, it might be possible to create look-alike apps for multiple, non-competing customers using most of the same code.