This is a "black box". APS is a "white box". Huge difference. You can't modify the system code and add you own indicators in mtpredictor other than control of position size and exit strategy. In general, EW theory does not tell you when to exit.
They have a 4 stage process - which the software does automatically -
1. Find a trade
2. Access your Risk / Reward
3. Determine your Position Size
4. Control your Exit Strategy
Disclaimer: I use MTPredictor so I am biased