What is the difference between LT / STD / PRO grade ? – IJCAD Help Center

The function difference of IJCAD 2016 is as follows :

Function	LT	STD	PRO
PLUS tool ・JWW file Read/Write ・JWW whole file conversion ・JW layer ・PDF→CAD conversion ・２・３ tangent circle etc.	×	○	○
Extension Tool ・Drawing comparison ・Figure Align/Place ・Text Outline ・Delete Overlap ・Polyline Boolean operation etc.	×	○	○
Dynamic Block（Use）	○	○	○
Dynamic Block（Create）	×	×	○
Region（Create）	×	×	○
Magnifing Glass	×	×	○
3D Cooerdinate	○	○	○
3D Polygon Mesh	○	○	○
3D Solid Display	○	○	○
3D Solid Create/Edit	×	×	○
ACIS（.sat）file Read/Write	×	×	○
AutoLISP（With Macro）	○	○	○
AutoLISP（File load）	×	○	○
Application Base(.net,arx,etc)	×	○	○

LT grade ・・・ Recomended to the user who does not need to customize the function and use
the basic drawing functions. (Recomended to transfer from AutoCAD LT
version.)

STD grade・・・This grade consists of, LT grade + Additional convenient functions
+ API for customize availabe. (Recomended to transfer from 2D AutoCAD LT
version and Regular version.)

PRO grade・・・This grade has 3D solid Data capability in addition to LT / STD functionality.
(Recomended to transfer from AutoCAD Regular version. * Note that 3D
function is limited so it is recommended to try DEMO version to check.)

Refer to the function comparison table about more detail.