[[GBDeviceInfo deviceInfo] isOperatingSystemAtLeastVersion:@"8.0"]; // #> YES

[GBDeviceInfo deviceInfo].isJailbroken;                             // #> NO

[GBDeviceInfo deviceInfo].model;                                    // #> GBDeviceModeliPhone6
[GBDeviceInfo deviceInfo].family;                                   // #> GBDeviceFamilyiPad

[GBDeviceInfo deviceInfo].modelString;                              // #> @"iPhone 6"
[GBDeviceInfo deviceInfo].osVersion.major;                          // #> 8
[GBDeviceInfo deviceInfo].osVersion.minor;                          // #> 1

[GBDeviceInfo deviceInfo].displayInfo.pixelsPerInch;                // #> 326

GBDeviceInfo *deviceInfo = [GBDeviceInfo deviceInfo];

//Model numbers
NSLog(@"Major device ver: %d", deviceInfo.deviceVersion.major);     // Major device ver: 7
NSLog(@"Major device ver: %d", deviceInfo.deviceVersion.minor);     // Minor device ver: 2


//Specific model
if (deviceInfo.model == GBDeviceModeliPhone6) {
    NSLog(@"It's a 6");                                             // It's a 6
}

//Family of device
if (deviceInfo.family != GBDeviceFamilyiPad) {
    NSLog(@"It's not an iPad");                                     // It's not an iPad
}

//Screen type
if (deviceInfo.display == GBDeviceDisplayiPhone4p7Inch) {
    NSLog(@"4.7 Inch display");                                     // 4.7 Inch display
}

//iOS Version
if (deviceInfo.majoriOSVersion >= 6) {
    NSLog(@"We've got iOS 6+");                                     // We've got iOS 6+
}

//Raw systemInfo string
NSLog(@"systemInfo: %@", deviceInfo.rawSystemInfoString);           // systemInfo: iPhone7,2

#import <GBDeviceInfo/GBDeviceInfo.h>

[[GBDeviceInfo deviceInfo] isOperatingSystemAtLeastVersion:@"10.8"]; // #> YES

[GBDeviceInfo deviceInfo].osVersion.major;                           // #> 10
[GBDeviceInfo deviceInfo].osVersion.minor;                           // #> 8
[GBDeviceInfo deviceInfo].family == GBDeviceFamilyMacPro;            // #> YES
[GBDeviceInfo deviceInfo].isMacAppStoreAvailable;                    // #> YES
[GBDeviceInfo deviceInfo].isIAPAvailable;                            // #> YES

GBDeviceInfo *deviceInfo = [GBDeviceInfo deviceInfo];

GBDeviceInfo *deviceInfo = [GBDeviceInfo deviceInfo];

//OS X Version
if (deviceInfo.osVersion.minor >= 8) {
    NSLog(@"It's OS X 10.8+ (Mountain Lion)");                     // It's OS X 10.8+ (Mountain Lion)
}
if (deviceInfo.osVersion.patch == 2) {
    NSLog(@"Must be running x.x.2");                               // Must be running x.x.2
}

//App Store stuff
if (deviceInfo.isMacAppStoreAvailable) {
    NSLog(@"App store is available.");                             // App store is available
}
if (deviceInfo.isIAPAvailable) {
    NSLog(@"...and so are IAPs");                                  // ...and so are IAPs
}

//Hardware stuff
NSLog(@"SystemInfo: %@", deviceInfo.rawSystemInfoString);          // SystemInfo: MacPro3,1
NSLog(@"Major device ver: %d", deviceInfo.deviceVersion.major);    // Major device ver: 3
NSLog(@"Minor device ver: %d", deviceInfo.deviceVersion.minor);    // Minor device ver: 1
NSLog(@"Node name: %@", deviceInfo.nodeName);                      // Node name: MyMac.local
NSLog(@"RAM: %.3f GB", deviceInfo.physicalMemory);                 // RAM: 16.000 GB
NSLog(@"CPU freq: %.3f GHz", deviceInfo.cpu.frequency);            // CPU freq: 3.500 GHz
NSLog(@"Number of cores: %d", deviceInfo.cpu.numberOfCores);       // Number of cores: 8
NSLog(@"L2 Cache size: %.0f KB", deviceInfo.cpu.l2CacheSize);      // L2 Cache size: 256 KB

//Endianness
if (deviceInfo.byteOrder == GBByteOrderLittleEndian) {
    NSLog(@"Little Endian");                                       // Little Endian
}

//Family of device
if (deviceInfo.family != GBDeviceFamilyMacBookAir) {
    NSLog(@"It's not a Macbook Air");                              // It's not a Macbook Air
}

//Screen resolution
if (deviceInfo.screenResolution.width == 1920 && deviceInfo.screenResolution.height == 1200) {
    NSLog(@"Resolution: 1920x1200");                              // Resolution: 1920x1200
}

#import <GBDeviceInfo/GBDeviceInfo.h>