iOS difference between isKindOfClass and isMemberOfClass

Question

What is the difference between the isKindOfClass:(Class)aClass and the isMemberOfClass:(Class)aClass functions? I know it is something small like,

Answer 1

• isKindOfClass: indicates whether an object inherits from a given class
• isMemberOfClass: indicates whether an object is an instance of a given class.

---

[[NSMutableData data] isKindOfClass:[NSData class]]; // YES
[[NSMutableData data] isMemberOfClass:[NSData class]]; // NO