I uses Kristal AI
I use Kristal AI for US ETFs. The platform is not bad, did not encounter any major issues so far. You can easily contact the customer support through whats app. The app is very simple, nothing much to expect tbh. FX fees is considered low.
No, they do not offer IWDA, IWDA is not listed in the US stock exchange. There is no Ireland Domiciled ETF on Kristal at all.