Sometimes, as with the chain's McDouble and double cheeseburger, the differences are minimal: as small as just one slice of cheese. That's right -- the biggest difference between these two popular ...

But if you look closely at the burger descriptions, you may notice that two of them are practically twins: the McDouble and ...

Only available for purchase through the app, the double cheeseburger deal isn't the ... a 4 for $4 offering with the choice of a McDouble or a McChicken, 4-piece McNuggets, a medium drink and ...

(The McDouble may cost $6 in some regions ... Current choices on the BOGO menu include: Double Cheeseburger ($3.29) McChicken ($3.29) 6-piece Chicken McNuggets ($3.89, me for $8.19) French ...