So since there is free return on the Google Store, I ordered three cases to test out.

Initial case reviews for Pixel 9 Pro Fold from Google Store. Shipping was quick and got delivered the next day for me (Australia)

I currently have the front screen protector from Amazon (amfilm brand) made for the pixel 9 which fits perfectly fine. I just didn't use the alignment tool.

I ordered the Mous Thin Case in black and taup and the Google Official Case in black.

1. Official Google Case. The Google case felt chunkier, and a bit heavier, and because of that, it had more play on how it could curve the edges of the cases, making it quite comfortable to hold. It does feel like smooth hard plastic, almost like a bar of soap in the hand. The front cover has more clearance so my screen protector fits fine with it with no bubbling. A bit slippery but comfortable to hold with its rounded edges.

2. Mous Thin Case. The Mous thin case definitely was the more grippier one. If you had a feel of the Official S24 series silicone cases, it is exactly that. Not the cheap spongy silicone type. It definitely is the slimmer one among the two but because of this, you would feel the edges are sharper and not as rounded off as the Google one. I like the look of the taupe on my Obsidian Fold though. At least on the back. I just couldn’t stand the lighter frame in the front screen. Black cases will always have that seamless look. The front protector is a bit tighter on the screen so my amfilm glass screen wouldn't fit at all. I ordered another brand from Amazon to try (Magglass for pixel 9, which fit perfectly fine, but affected touch sensitivity too much even with the increased sensitivity option on, im not sure if its just for the matte version). Both screen protectors are marketed as case friendly. If you go with the mous, definitely don’t get the amfilm one as it is a tas bit too wide for the front cover.

As much as I like the lightness and the grippier texture of the Mous thin cases, I ended up going with the Official case (with the amfilm screen protector.) The rounded edges make up for it and makes a difference for me in terms of comfort, especially along the spine, when holding it closed.

Hope this helps anyone contemplating between cases!