What is the difference between Tianzheng architecture and cost software Guanglianda and Luban? Do Guanglianda and Luban include the functions of Tianzheng Architecture? What are the advantages and disadvantages of each? Heaven is design software, and Lu Ban is calculation software, which is different. Both of them are based on CAD platform, but their functions are different. Guanglianda is also a measurement software, but it is not a CAD platform. If you have a CAD foundation, Tianzheng and Luban can easily get started. Guanglianda is a platform developed by itself. However, learning software can not only learn the cost, but also learn the calculation rules and how to make quota pricing, which requires years of experience. If you want to use software to calculate the quantity and make the cost, if you can get the electronic map, I recommend you to learn from Luban. Their electronic map conversion function is very powerful, much stronger than Guanglianda. If you can only get the blueprint, Guanglianda is similar to Luban. So far, there are more people using Guanglianda because it occupied the market earlier. However, Lu Ban is also a rising star and has great potential. You have basic knowledge of CAD, and I recommend you to use Luban to calculate the quantity. You can call many CAD shortcut commands, and get twice the result with half the effort. Good luck!