Apps are better on Symbian than they are on iOS they're just not as shiny.
A certain category of Symbian apps may be better than their iOS equivalents, but some other categories such as games are way better on Apple devices, and this situation is not going to change tomorrow. The fact that game studios are right now hiring iOS (and Android) developers is a sign. Even here in Japan, I've been seeing more and more job offers for iOS developers, while I can't recall any Symbian offer.
There are also the social apps that tend (at least from a personal point of view) to be much more usable on iOS than on Symbian. Take the Facebook app as an example.
Maybe s2putty is better than Prompt for iOS, but is it really a million times better ? You may not be the target for those 400'000 apps, but saying Symbian apps are better is not right.