CBUUIDNames.m

for(int i=0;i<256;i++) {
    CBUUID *u = [CBUUID UUIDWithString:[NSString stringWithFormat:@"18%02X", i]];
    if(![u.UUIDString isEqualToString:u.description])
        NSLog(@"%@\t%@", u.UUIDString, u.description);
}

// 1800	Generic Access Profile
// 1801	Generic Attribute Profile
// 1805	Current Time
// 1808	Glucose
// 1809	Health Thermometer
// 180A	Device Information
// 180D	Heart Rate
// 180F	Battery
// 1810	Blood Pressure
// 1812	Human Interface Device
// 1816	Cycling Speed and Cadence