There are two major reasons for purchasing iPad Air; one it is as the name suggests, it is considerably lighter, and second, it is now equipped with a processor of 64-bit, which means there is a considerable improvement in its speed, as well.
The New Technology
The other reasons for purchasing these gadgets would be LTE or Long Term Evolution. Apple is now adding this standard for data communication at high speeds, using a wireless network in its iPad Air. Since iPad Air would be compatible with this technology, communication with this device would be much faster and clearer. In addition, there is storage of 64 GB, in this otherwise smaller device. In so far as weight is concerned, iPad Air is anywhere iPad Mini and iPad 4.
Cost of Replacement
One of the reasons people prefer to buy Apple gadgets is because they have a decent resale value so that those who can afford or need to upgrade can do so, by selling previous models. For example, iPad 4 can fetch almost $500, which can be used to part finance iPad Air. This is not really possible with other smartphones.
While iPad Air undeniably has several positive features, new developments in gadgets world would make it obsolete sooner than later. The prohibitive costs of Apple devices are the major cause for other device manufacturers getting a foothold in smartphones and tablet markets and Apple losing out on such markets.