Rapid Application Development (RAD) tools for native Android, iOS and desktop apps.
The simplest way to develop powerful, cross platform solutions.

• B4X tools include all the features needed to develop great, real-world apps.
• Compiled apps (iOS and Android) are 100% native without any dependencies.
• B4X programming language is a modern version of Visual Basic.
• Our community with more than 70k members are waiting to help you get started.

Morgan Matthews: "I downloaded the trial, completed the tutorials and purchased the Enterprise version within a few hours. I’ve made more progress with B4A in 3 hours than I have in 3 months with other Android IDEs."

Ilan Tetrusashvili: "I really enjoy B4i, this is a wonderful tool. I never thought that it would be so easy to develop for iOS."

Alfred Schenker: "Thanks to B4A and you guys with your help I got a permanent job developing Android apps for a Company, and I sold my app (see CNC Sheet) to another company."

Dylan Palmer: "I must say as a Visual Basic expert B4A is the best software purchase I've made in a long time.
Within an hour of installing I had a fully functional application running on both my phone and tablet."

B4A v5.02

B4i v2.00

B4J v3.50

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