I see so many of them around today but I am always skeptical of the scientific validity of them. I’m happy to pay a reasonable amount and I greatly value privacy. Main thing for me would be trying to improve memory.
Any recommendations are appreciated! If I need to go out and buy a DS and a copy of Brain Age, so be it.
Here’s what I do on my phone most of the time nowadays:
I almost got rid of all of my doomscrolling with actual brain activity. It feels great, and having different topics to choose from helps break the monotony.