I have found this solution!
I have an iPhone 5 and I saw I had 7 updates. But when I opened the App Store, the tab "Updates" was totally blank. Now it is fixed 🙂
Try next:
- Log out of the App Store.
- Go to "Setting" and "Wifi". Turn off wifi.
- Double press home button and delete (all apps) App Store from the multitasking bar.
- Hold Sleep/Wake button.
- Tap and swipe the arrow to turn off the iPhone.
- Now start the iPhone by holding Sleep/Wake button.
- Open App Store and log in with your Apple ID.
- Go to "Updates" tab and see your updates 🙂
Tell me if it works for you guys.
Goodluck!