Generally, your stewed apples will stay perfectly happy in the fridge for 5 to 7 days. Think of it as a little hibernation period for all that fruity goodness. After that, they start to lose their mojo—but more on that in a sec.
Why the range? It’s all about how you store them. A tight-fitting lid or a good layer of plastic wrap is your best friend here. Air is the enemy, slowly drying them out and inviting unwanted flavors to crash the party.