AppFaction

For this one you will need a jailbroken phone*

1. Use Cydia
2. goto Search :Search for “5×5 Springboard”
3. click install
4. Respring
5. Enjoy

This mod doesn’t work well with the app organizer on iTunes since iTunes is looking for 4 columns. You do miss out on that but a worthwhile mod to do. It makes your phone look pretty beefy