The next tables helps you choose if you need KR Jr
It compares with other popular GUIs
Notice that the values are personal impressions
| System | Price | Size | Easy | Hardware? | Illegal to copy? |
| KR Jr | $0 | Very Small | YES | ALMOST ANY | NO |
| M$-Windows | A LOT! | All your HD | Yes | NEWEST ONLY | YES |
| WindowMaker | $0 | Medium | Middle-Low | Medium-New | NO |
| Gnome | $0 | Big | Yes | New | NO |
| KDE | $0 | Big | Yes | Medium-New | NO |
| MacOS | A FORTUNE! | Very Big | Yes | Expen$ive $$ | YES |
In other words, if you have money to burn, use Windoze or Mac
If you have good hardware, use KDE, Gnome, Windowmaker, etc
If you have low hardware, low money, and no time/space/money to waste, use KR Jr