View NEF (RAW) Files via iPad

WD External and Portable SSD My Passport Wireless SSD
1

What app(s) can I use to view NEF(RAW) files on the Passport Wireless via an iPad?

2

You can do what anyone else does when they want to know something like this :  they search the Apple app store for nef – like I just did.

3

I use Filterstorm Neue for RAW images.