Any way to set passcode to prompt when opening SMS?

[99MustangGTman]

I'm looking for some way to have the phone prompt a passcode when I open up messages? I don't want the whole phone to have a passcode on it, but want to keep my messages private in case anyone wants to see my phone.

 

[Che Castro]

iprotect
madvlock

???

 

[jmann]

I've used lockdown.

 

[99MustangGTman]

Thanks guys, they all work great!