To upload a screenshot for every iOS device size class, you now need to upload 25 different images per app. And that’s just for one language! And then there’s the App Preview video…
This quick tip will help you to save time getting that perfect screenshot:
Plug an iOS device with a lightning port into your Mac running Yosemite and fire up QuickTime. Start a new movie and select your iPhone or iPad as the video source.
This is how you record an App Preview movie — but it also has a nice side effect: You’ll see the status bars on your iOS device have changed to show Apple’s ’09:41′ time and that your carrier name and signal strength have been cleaned up as well:
Now you can take screenshots on the device the usual way and they’ll include the tidy status bar — one less thing to worry about!