What are the differences between the displays on different regular iPad models? What is the viewing angle of the iPad? Is the screen visible from the sides or does it have to be held immediately in front of one person?

Note that this Q&A covers all regular, full-size iPad models, including the current ones. EveryiPad.com provides separate Q&As that cover the displays in the iPad mini, iPad Air, and iPad Pro models.

All regular, full-size iPad models have IPS LED-backlit displays with a viewable angle of 178 degrees horizontally and vertically, which makes it quite possible for more than one person to view the screen simultaneously.

Photo Credit: Apple, Inc. (Original iPad)

However, the physical size, resolution, pixel density, and surface type for the regular iPad displays vary accordingly:

Note that the current iPad 9th Gen models also support "True Tone" capability, which measures ambient light and automatically adjusts color and brightness for more optimal viewing.

If you are not sure which iPad you have, see EveryiPad.com's iPad Identification section.

Do all the regular iPad models have a camera? How many megapixels is each?

Note that this Q&A covers all regular, full-size iPad models, including the current ones. EveryiPad.com provides separate Q&As that cover the cameras in the iPad mini, iPad Air, and iPad Pro models.

The original iPad models -- the iPad (Wi-Fi) and iPad (Wi-Fi/3G/A-GPS) -- do not have any kind of camera -- still, video, or webcam, and as a result do not support video conferencing.

All subsequently released iPad models have dual video cameras and shoot video and still photographs as well as support video conferencing via applications like Apple's own FaceTime, Skype, and other apps.

The capability of each regular, full-size iPad camera is best visualized as a chart:

If you are not sure which iPad you have, see EveryiPad.com's iPad Identification section.

Can you make phone calls with the iPad?

No. The iPad models do not have the capability to make mobile phone calls. It is possible to use a voice or videochat application, like Skype, Telegram, or LINE, however.

Do the regular iPad models support Bluetooth?

Note that this Q&A covers all regular, full-size iPad models, including the current ones. EveryiPad.com provides separate Q&As that cover the Bluetooth capabilities of the iPad mini, iPad Air, and iPad Pro models.

Yes, all iPad models support Bluetooth, although the version supported is different for different models.

The supported Bluetooth standard for each regular, full-size iPad is:

If you are not sure which iPad you have, see EveryiPad.com's iPad Identification section.