Vita edition adds an additional after story for each character for all four of their endings with CGs, new CGs, sub character lines in the extra section, new OP&ED songs.
4GamesList is the best free alternative to Backloggd — like AniList, Letterboxd, or MyAnimeList but for video games. Track your game library, log playtime, sync Steam achievements and PSN trophies, browse game characters and studios, and connect with friends.