The Aeotec Smart Home Hub (=V3) for under 75 €. Who knows how long the offer is valid. 
As far as I know, the price is otherwise around 110 €.
08/13/2021, 2:05 PM
And, maybe this will make the draining battery problem with the Ikea hardware disappear. 
It is certainly the EU version. And you have to check from where you can order at Amazon de. Good luck and many greetings.