Perfect Pie

Apple Pie is a female Earth pony in the Apple family. She has a cream caramel coat, two-toned green mane and tail, light caramel eyes, and a cutie mark of three apple pies. She is unnamed in the show, but she is named directly in another depiction and indirectly in merchandise.

Design
Apple Pie shares her design, coat color, and neckerchief with "Ginger Gold", shares her design, eye color, and neckerchief design with Apple Bumpkin and "Sun Streak", shares her design and eye color with S04E22 Unnamed Earth Mare #4, S04E22 Unnamed Earth Mare #5, and S04E22 Unnamed Earth Mare #12, shares her color scheme with "Apple Squash", shares her coat and mane colors with "Bushel", and shares her fancy hat with Golden Harvest.

Depiction in the series
Apple Pie appears in Friendship is Magic, part 1, in Green Isn't Your Color, in Over a Barrel, in The Mysterious Mare Do Well, in The Last Roundup, in A Canterlot Wedding - Part 2, in Magic Duel, in Apple Family Reunion, in Magical Mystery Cure, in Three's A Crowd, in Pinkie Pride, in Filli Vanilli, in Trade Ya!, and in Twilight's Kingdom - Part 1 and its recap at the beginning of Twilight's Kingdom - Part 2.

Appearances
Times are approximate.

My Little Pony (mobile game)
Apple Pie is an available character in Gameloft's mobile game, which is the first time that she is explicitly identified by name and appearance. She was added to the iOS version of the game on June 4, 2014. Her in-game character model has a different eye color than in the show, while a loading screen of the game's uses fanart of her with her in-show eye color. The game depicts her wearing her bonnet from Over a Barrel, The Last Roundup, and Pinkie Pride.

Merchandise
A selection of Apple family members listed on page 28 of Little, Brown's My Little Pony Friendship is Magic official guidebook My Little Pony: The Elements of Harmony includes the name "Apple Pie" without specifying Apple Pie's identity.