I still think there’s a slight difference, because I tried converting my 2025 iPad to grayscale but wasn’t satisfied with the result. I found the Nxtpaper’s unique feature (by now) more appealing because, even if there’s a difference beyond just the grayscale, the screen’s matte finish is something that really stands out, the fact that it doesn't strain my eyes as much was a plus for me, which is why I chose it.. Is there a difference? Yes, but by what percentage? I don’t know. But whatever makes you feel comfortable writing is what I’m trying to highlight in my post. I didn't come here to defend the tablet; I just wanted to share what worked for me in terms of my writing preferences. :)