B4X
7.5#3 in cross-platform app development frameworks$59 one-timeFree planAndroidiOSLinuxmacOS
VisitB4X vs Ultimate++
Ultimate++
6.1#13 in cross-platform app development frameworksFree planFree planLinuxmacOSWindows
VisitWhat both publish
| Fact | B4X | Ultimate++ |
|---|---|---|
| Product | B4X is a suite of rapid application development tools for Android, iOS, desktop, server and IoT solutions. | U++ is a cross-platform C++ rapid application development framework that includes libraries and an integrated development environment. |
| Support | The maker says it answers email within 24 hours and directs technical questions to its forum. | The FAQ directs users who cannot find an answer in the documentation to the official forum. |
B4X plans
- B4AFree
- B4JFree
- B4RFree
- B4i Standard$59, paid once
- B4A Standard$59, paid once
- B4i Standard + Hosted Mac Builder$85, paid once
Ultimate++ plans
- U++Free
Pick B4X if…
B4X suits developers building across mobile, desktop, server, and IoT targets, especially those able to reuse code among B4A, B4J, and B4i projects. B4i users should account for its stated Apple account, device, and IDE requirements.
Pick Ultimate++ if…
You want what its maker publishes above — check its page for the details.