Bishoy.A

By default, thumbnails of photos taken by an iOS device (iPhone or iPad) are flipped 90 degrees to the left, it’s a long image EXIF information story. This plugin takes care of this and fixes the uploaded images orientation’s (if needed, based on EXIF data) using ImageMagic Library if available or PHP GD as a fallback.
No settings editing required, just activate the plugin and try uploading an image from your idevice!

iOS images fixer

Automatically fix iOS-taken images' orientation using ImageMagic/PHP GD upon upload.

christianoliff

This will allow you to quickly and easily add an iOS smart app banner to your WordPress theme. Once set it will automatically appear on every page. iOS 6 or later required to see the Smart App Banner.

WP-SmartAppBanner

This will allow you to quickly and easily add an iOS Smart App Banner to your WordPress theme.

iOS images fixer vs WP-SmartAppBanner