Apps available for
Windows
Android
iPhone
Android Tablet
iPad
RAD Studio VS B4X
B4X is focused on cross-platform mobile development with a simpler learning curve, while RAD Studio offers a more extensive suite of tools for developing high-performance applications across various platforms with a higher cost and complexity.
RAD Studio
Pros:
Comprehensive visual development tools
Supports multiple programming languages
High-performance applications
Advanced debugging tools
Robust database connectivity
Cons:
Higher cost compared to some alternatives
Steeper learning curve for beginners
Requires a more powerful machine for optimal performance