Is there any way unpublish/Remove from sale my iPhone app from the App Store?
I can't seem to find the option on itunesconnect.com
A word of advice: Read iTunes Connect Guide carefully about this point!
You can remove an app from sales or you can delete it... But pay attention!
If you decide to remove an app from sales, you'll be able to put it back on sales but if you choose to delete it you won't be able to restore it because you can't reuse your SKU, Bundle ID or App Name.
To remove your app from sales:
To delete your app:
Note: You can't delete an app if it is ready for sale. First you need to remove your app from sales and then you can delete it.