Is it possible to detect that your iOS app is running on an iPad mini at runtime?

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Boxel’s answer would be good if it didn’t invoke undefined behavior and if it didn’t have superfluous parts. One, + [NSString stringWithCString:encoding:] requires a C string – that is, a NUL-terminated char pointer (else it will most likely dump core). Also, you don’t need the conversion to NSString – since sysctlbyname() provides you with a plain old C string (without the NUL terminator, of course), you can directly use strcmp() to save a few dozen CPU cycles:

#include <sys/sysctl.h>

size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char *machine = malloc(size + 1);
sysctlbyname("hw.machine", machine, &size, NULL, 0);
machine[size] = 0;

if (strcmp(machine, "iPad2,5") == 0) {
    /* iPad mini */
}

free(machine);

Edit: now that answer is fixed as well.

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