Sugar Bowl or Sweet Republic
Which and why?
Sugar Bowl for old school charm, it's been around forever.
Sweet Republic for everything else - vastly better and vastly more interesting.
If you want an old-school over-the-top sundae with all the trimmings: Sugar Bowl. (Actually, on this one, you want Mary Coyle, but you asked specifically about Sugar Bowl or Sweet Republic. Never mind that Mary Coyle is but five minutes farther from Sugar Bowl than Sweet Republic.)
If you want really good ice cream with inventive flavors and/or toppings: Sweet Republic.
If you love the comic strip The Family Circus: You've already decided on Sugar Bowl.
At Sugar Bowl, we sat in the video game/arcade room and had it to ourselves. The kids haven't napped or slept long enough in 5 days, so this was a good thing. We had so much at lunch we almost didn't want ice cream but got it anyway :-) The fruit, cottage cheese and nut bread was good. I could have done without the cream cheese so thickly on the nut bread so I just scraped it off. ice cream was OK, but it's about the experience. We thought the vanilla was best.
Sweet republic was very good ice cream. We got several different kinds, including a date ice cream, pecan, espresso sorbet and some sort of chocolate sorbet between all of us. Yum! Totally agree with all of you - glad we got lunch, and glad we went to sweet republic and got some really good ice cream.
Sweet Republic by far.
Sweet Republic's mint chocolate chips is incredible, although my family is turned off by the actual leaves in the ice cream. It's the only mint ice cream I've ever had that has the actual leaves in it and that's the reason I keep going back. But overall, though, Sweet Republic also leaves some to be desired. I think Gelato Spot's much better imho.
I have eaten at a LOT of gelato places in town, and have found Gelato Spot to be consistently the bottom of the barrel. There's no excuse for pellets of ice that come from refreezing product. Much, MUCH better in the vicinity is Cool Gelato, right next to the Scottsdale Center for the Performing Arts. Indeed, they're some of the best gelato in town.