Unfortunately, the answer does not seem to be available. The max len is not defined specifically in any iOS documentation that I could find. There are limits, as noted above by MSK’s link, for the URL base url length, not the absolute string length of the url. So thats probably a safe bet for a … Read more
It’s not possible to check if app is installed from a web page. You could do it inside an other app by checking if your url scheme can be opened using UIApplication’s -canOpenURL: method, but there is no javascript equivalent to this. However, you can use the following workaround: <script language=”javascript”> function open_appstore() { window.location=’http://itunes.com/’; … Read more