How much does Pionex grid trading bot cost?

Excuse me, could you please clarify the cost associated with using the Pionex grid trading bot? I'm particularly interested in understanding if there are any upfront fees, monthly or annual subscription charges, or if the bot operates on a commission-based model. Additionally, I'd like to know if there are any potential hidden costs that I should be aware of before deciding to utilize this tool for my trading strategies. Your detailed explanation would be greatly appreciated.