Betty Blocks aPaaS is a mobile app development platform. Developing a web app on the platform means it is multi-device ready. In specific situations, you adjust the front end of an application with Betty Web Blocks to specifically serve mobile purposes.
According to a recent Ovum white paper:
Developing your application on the Betty Blocks platform is 8-10x faster than regular coding. By using the visual model builder, you rapidly & intuitively design your application. Create a free account and experience why Betty Blocks is the platform for all mobile application development.