We’ve been building apps for a while now but occasionally we learn something that would have made our lives much easier if we’d known it from the outset. Here are a couple of things we only recently worked out;
JPGs are much much smaller than PNGs (in terms of filesize)
Given that most of the app’s size comes from its graphic files, we only recently discovered that we can radically cut down app size by converting our images from PNG to JPG. There’s no discernible loss of quality and you can cut an image file’s size by over 50%. The only trick is that JPGs don’t support transparency - for this, you have to use PNG
You can create an iTunes link to your app with just the app ID
http://itunes.apple.com/app/id418125178 works just as well as http://itunes.apple.com/us/app/cricket-booth/id418125178?mt=8
And iTunes Connect gives you the app’s ID the moment the app is created, so you can construct the app’s URL even before uploading the binary (which is useful if you want to include a link to the app within the app itself)