In general both can work.
It's reasonable to have big items (stuff with character-modifying attributes) in a grid fashion, but have a list for "pouch carry" items like keys, gems, rings, and other such items that don't affect gameplay and might be progression/quest-relevant.
In general both can work. It's reasonable to have big items (stuff with character-modifying attributes) in a grid fashion, but have a list for "pouch carry" items like keys, gems, rings, and other such items that don't affect gameplay and might be progression/quest-relevant.