Both the Waka Waka Expert Advisor, and the Perceptrader AI EA by Valery are similar but different. The money management both use grid / martingale. Both have some overlapping currencies, but also different currencies. Is it worth it to buy both? Or do you just need one?
Waka Waka EA : https://lisaforex.com/wakawaka
Perceptrader AI EA : https://lisaforex.com/perceptraderai