When comparing C++Builder vs Ultimate++, the Slant community recommends C++Builder for most people. In the question“What are the best IDEs for C++ on Windows?” C++Builder is ranked 8th while Ultimate++ is ranked 17th. The most important reason people chose C++Builder is:
The Windows framework, called VCL, wraps native WinAPI controls. It's far more powerful than something like MFC, including its visual design and the library of available first- and third-party controls.
Specs
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Pros
Pro Windows UI framework
The Windows framework, called VCL, wraps native WinAPI controls. It's far more powerful than something like MFC, including its visual design and the library of available first- and third-party controls.
Pro Free community edition
Features are the same as Professional Edition.
Pro Cross-platform UI framework
FireMonkey (FMX) is a cross-platform UI framework, GPU-accelerated, supporting native controls on some platforms, and native feel everywhere else.
Pro Drag and Drop Functionality
C++Builder allows. you to drag and drop components on the design form which makes the development process simple.
Pro Cross-platform targeting
Can build targeting Windows, iOS, macOS, and Android.
Pro Clang-based compilers
Pro Visual designer
Pro Simple to use
The whole framework is easy to use.
Pro Documentation and help tool
Pro Code analyzer
Pro Easy to learn
The whole framework is easy to learn thanks to multiple tutorials.
Pro Free
Pro Helpful community
Cons
Con Too focused on adding IDE features developers don't want
Con IDE has long lasting bugs that Embarcadero won't fix
Con Expensive
€1,719.00+ (or $1971.61+) (on 01/2019).
Con Strictly C++
Con This is an application development framework not simply a GUI toolkit / library API
It is designed for you to develop your whole application using it, not just your GUI. Most people probably are not really looking for that.