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.
B4X
Pros:
Cross-platform development support
Easy to learn and use
Rich set of libraries and components
Active community and support
Integrated development environment (IDE)
Cons:
Limited native component access
Performance may lag for complex apps
Less industry adoption compared to others
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