Cook has tried extremely hard in recent months to shift the mindset of Apple as more than just a hardware company, mentioning software and services several times. "Our teams are hard at work on some amazing new hardware, software and services that we can't wait to introduce this fall and throughout 2014," Cook said on Apple's most recent earnings call.

Topeka Capital's White believes Apple could "expand the capabilities around features such as Siri, Passbook, FaceTime, Maps, iCloud and other areas," as Apple looks to improve its software.

Aside from the aforementioned digital wallet strategy and Maps update, Apple may have a couple other aces up its sleeve for WWDC. There's been speculation about iRadio, as it looks to enter the streaming music business, taking on Pandora ( P) in the process.

Now that Apple has lined up Sony ( SNE), Warner and Universal Music for its iRadio service, an announcement looks more likely than ever. It's expected that Apple will make money off this product by selling advertisements, similar to how Pandora generates the majority of its revenue.

It will be interesting to see whether Apple has any other products or services to unveil at WWDC. In the past, the Cupertino, Calif.-based firm surprised its community of developers with "one more thing," and I don't expect this year to be any different.

-- Written by Chris Ciaccia in New York

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