Look at this. If you have to compete, it must be wincc. Without VBA, Ifix is nothing. Wincc can still achieve most functions without VBA and scripts.

Compared with ifxi, wincc is much better than ifix in advanced functions such as historical data recording, electronic signature and report. However, wincc has a disadvantage that it is not as mature as fiix when supporting other types of PLC. Plc communication between wincc and Siemens is very convenient.