URL Shortener is a simple yet powerful app that used to convert long URLs into a short URLs.
Just copy the long URLs or any text that contain URL(s) and open the app, and it will convert the URL(s) and paste it/them to the clipboard automatically,
Also it can work in the background for even more ease of use, just enable 'Run in Background' from settings, close the app and go copy some URLs and it will convert the URLs that you copied in the background and notify you when the process is done.
Shortener Widget and Action Extension for IOS 8 and higher users.
If you select: goo.gl as a shorting service, then you can track the URLs clicks and analytics, from the URL Tracker tab.
You can also sync your settings and saved URLs across all your IOS devices via iCloud.
Only (ow.ly) available for free.