iPhone and iPad: The differences

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With this article I want to compare the iPad and the iPhone, the two wonderful Apple technologies that apparently have a lot in common, but which are actually designed for completely different uses. As for the graphic interface, in fact, they look substantially the same: the applications have the same graphics and the same icons, as well as the main screen of the two devices, very similar to each other, they are both equipped with a very sensitive and precise multitouch display. The iPhone first launched by Apple in 2007 is a handheld device that has the capability of audio and video playback. It has the characteristics of multimedia video viewing and GPS services.The iPad was put on the market at the beginning of 2010.It is actually a tablet computer, with all the functions of a PC but with the addition of a mobile phone new generation.

The iPad screen is a liquid crystal display. The display responds to two sensors: an ambient light sensor to adjust the brightness of the screen and a three-axis accelerometer to detect the orientation of the iPad. Unlike the iPhone, the iPad rotates the view to be usable even if held “upside down”. Most applications support both portrait and landscape modes. Uses two internal non-removable batteries. Unlike the iPhone, the iPad also allows the use of more complex software: spreadsheets, music creation, database management, etc. That’s why iPad app development services tend to be more needed than the same ones for the iPhone. iPad has been subjected to a lot of criticism: it does not have USB ports to be expanded and does not have a slot directly for inserting memory cards from digital cameras.

iPhones are equipped with a range of sensors that automate some features:

– an infrared proximity sensor, which allows you to turn off the display and deactivate the screen controls when you bring the device to your ear, thus saving energy and ignoring involuntary touches.

– an accelerometer capable of deducing changes in the orientation of the device and automatically adapting the orientation of the image on the display.

– a brightness sensor, which allows the device to automatically adapt the brightness of the display to that of the environment.

a fourth sensor, or detector, not electronic, indicates whether the iPhone has been submerged in water and effectively blocks any request for assistance under the warranty if the device has stopped working after coming into contact with water , or other liquid, for careless use.

The iPhone has been the subject of criticism due to some peculiarities or shortcomings:

– The battery is not directly removable by the user, but is integrated and replaceable through Apple assistance

– If the battery loses its effectiveness or is defective or when the battery shows a capacity of less than 50% of the initial one and the phone is under warranty, the replacement is free. Otherwise the replacement is at the expense of the consumer, an expense that otherwise (with removable battery) would not be necessary.

– The device is not equipped with any type of firewall, so it could be subject to risks of telematic attacks (viruses). Apple has not confirmed the lack of a firewall and some experts have pointed out that there are no technical reasons that would prevent the use of the firewall built into the iPhone.

– The multi touch screen does not work with woolen gloves, making it difficult to use the phone in winter. This limitation is common to all devices that exploit the potential difference of the fingers with the touchscreen for interaction

– On the contrary, however, it is fairly effective with leather gloves (used, for example, by motorcyclists) which perfectly simulate the fingerprint on the screen.

– Security of personal data, even if the guidelines for the development of the different applications require that consent be obtained for the transfer of personal data, including contacts and GPS location, it has happened on more than one occasion that these situations do not had been respected.

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